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ShipCAM - ShipConstructor Software Inc.

1. Layers Determines which layers the data will be placed on Text on Line Output a text string in the middle of each line Text Size The height in output units of the text label if text is output Tile FRM BTK WLN Tiles each line in the following types of blocks FRMs are tiled horizontally only when Body View Is exported BTKs are tiled vertically only when Profile View is exported WLNs are tiled vertically only when Plan View is exported Spacing Distance in design units to shift adjacent lines when tiling Bevel Angles Exports the bevel angle information as text at each vertex if the block contains bevel information Export IDF This function can export sections or meshes to the IMSA IDF file format Only the visible blocks are exported Multiple files can be written to the same IDF file However you cannot write sections and meshes to the same IDF file To export as sections 1 Select Files gt Export IDF File gt As Sections 2 Inthe Save File window enter the file name Click OK 3 Inthe IDF file options make sure that you have selected the appropriate section type for each block 105 LoftSpace Program IDF Line Options Line type for file UT1POU MSH three d bl i Cancel To export as meshes Follow the procedure for exporting as sections only choose Files gt Export IDF File gt As Meshes This option writes the visible blocks to an IDF formatted file Export GHS Exports
2. Rotate Expanded Plate gt i nge llest R Show Original Mesh ane Pd Show Expanded Plate Show Forming Templates Show Deformation Table Show Strain Map Show Strain Map 3d Decrease Strain Scale Increase Strain Scale v Show Strain Scale lt Options Displays the Settings window to set the plate expansion options Be sure to set these options to achieve the desired results PlateExpand Program General Tab settings General Stock Templates DXF Layers M Generate Roll Lines lw Display Mesh Cross Lines Open as Bow Fashion 4 Offset to Neutral Axis wv Rotate Expansion to Smallest Rectangle Strain Scale i Generate Roll Lines Generates roll line marks on the 3D surface and 2D expanded plate Roll lines are lines connecting the same dead ise angle on the frames in body view Straight roll lines indicate a surface with no compound curvature The lines may be parallel to each other or arranged like a fan 165 PlateExpand Program 2 PlateExpand C Projects 2005150 200 5Demo15hipCAMidemo U11P04 MSH File View Mesh Build Borders Help 8 B 2 adidas ele 01 219 Pala ole ela 3D Min 63 4700 4 2100 0 0091 Esp Mir 00 00 Pl te Stock fo e Min Strain 0 0 3D Max 69 4100 5 9452 0 5374 Exp Max 0000 Throw Down Max Strain 0 0 For Help press Fl 68 7626 3 8471 0 0000 Eae Curved roll lines indicate compound curvature 166 PlateExpand Program
3. axla xes 35 i pF Fairing Spline E bs Control Vertex E E y 2 7700 23991 aed z Step 0 1000 m ES 7 y y y 7 y UIPPERTANG q L PT ak rgh CA a PT AAN EEA MAA A O A BPA ee EmA L L L L Mia il gt 3510859 0 0000 0 443 Im For Help press Fl You can now fair in one view while looking at the results in both views Location File Editing Location files store just the location names of traditional intersection planes that is transverse sections frames horizontal sections waterlines and longitudinal sections buttock lines to be cut through the surfaces The sections are calculated on demand from the surface meshes To edit location files 1 Select References gt Waterlines gt Display and enter WTEST for the file name This file does not exist Select Yes when prompted if you want to create the file 22 Locations Director D Projects2005 5 C2050 emos 5 hipCAM 11 7995 526 4 5 29 2002 11 51 5 29 2002 11 53 5 10 2004 8 43 4 11 22 1995 11 28 10 31 1995 11 01 11 7 1995 439 4 1 24 1997 9 21 1 5 28 2002 6 38 2 5 28 2002 5 50 0 BUTTOCK LOC cl LOC clat LOC FRAMES LOC GHSSKEG LOC Pina loc SHLLAP LOC STATIONS LOC W117 ForShtteners LOC U1 SideStitteners LOC ee a aa FI Locations Locations Locations Locations Locations Locations Locations Locations L
4. Surface Setup gt Developable Surface This option calculates a developable surface See LoftSpace page 27 for an explanation of the developable surface 142 LinesFairing Program settings Long Msh ing Cross Spin Dev 8 Spine Strght Sect First Line TRANSOM Reverse vertices Last Line STN_9 75 Surface Setup gt B Spline Surface This option calculates a B Spline surface See LoftSpace page 27 for an explanation of the B Spline surface settings Long Msh Lng Cross Spin Dev B Spline Stroht Sect First Line TRANSOM v Intemediate Lines 4 Last Line STN_9 75 Number of Spline vertices between control vertices 10 Surface Setup gt Straight Section Surface This option calculates a straight section surface See LoftSpace page 27 for an explanation of the Straight Section surface 143 LinesFairing Program settings Remove Surface E Hides the reference surface from the display if it is currently displayed or displays the surface when currently hidden Recalculate Sections Recalculates the reference surface Use this function when fairing a spline After moving control vertices press Enter to recalculate the spline Then click 53 to recalculate the sections Spline Edit Toolbar 144 5 KI 54 SI 01 gt Move to Nearest Control Vertex Moves the currently active control vertex to the nearest offset Use this function when the offset is at a
5. i DoS D 2 E tH Uv n E o El oO ll E aD in it 0 wo S tier t c O ll E H ae O a 2 ERC gt geet UN 6 D r gt MAZA i xe 6 a sa C L El be O Pa Un mi LL aS Qo C Ta u thal o O E _ Ww S PA o AF amp _5 a oe 3 CFO t ro a d U os 20H 7 2 i E n e i rs iLi D A a O x D D D F Ti 3 E lt O Na co a a gy 50 T m A ja 1 OY D a gt u yE OD aD U 0d a c i Cc V mM s 10 44 Tutorial ShipCAM supports the following shapes for deck surfaces 6 Sine Curve Radius Curve Parabolic Curve Flat and Slope Faired Camber Click OK The generated deck appears Name the deck surface FCSTLDECK MSH 7 wa io kra EE Lid a W hd LL Ll le E i a ti a i LA 5 E A W S ed E WA in o om ha i oa D L EL e m LoftSpace D Fie View Blocks Lines Help Y elel P91919 El M elella el al a xx Planar Sections Tools Vertices z tv cial ala S val El ali 2 Hl el 4 4 ES EN gles Yes Z a n Sag Se ee e a E E eee aoe a Z5 E A Sees ag Ee cain oh ae es ae Saas Sees ata Boa a ony oP ng ae ke an ee a a Sa A A eet oo Sates a pa E E ae a e a ee ae a ee rae ea ie eee ia aS eae ar aes aaa a na a a ee a cae aa cee 25 a i
6. 4 Show Straight Frames or Stringers tal Sets the currently active window to be used for the display of the straightened profiles with the inverse bending information ir 5 o el a ae Show Curved Frames or Stringers r Sets the currently active window to be used for the display of two objects 186 InverseBend Program e Frame lines still curved but with the profile thickness indicated the inverse bending curves and any marks displayed e Stringer surfaces expanded if twisted but still curved with the inverse bending curves marked and any marks displayed Colors Displays the Color window to set the visibility and colors of the individual display items Attribute Col 0 Surface Inverse Curve Frames Waterlines Buttocklines EndCut Marks Background Cancel USO ESEESE SESEK Inverse Bend Menu Inverse Bend Options Make Inverse Bend Export DXF Options Displays the Options window that lets you change the settings for the inverse bending 187 InverseBend Program 188 Options Extend Meutral Offset Spacing Upper Margin 0 1 000 E 0 7000 E sie a ee A Neutral Axis Beam Height BEEP oo E de AN Lower Margin E 0 0 O00 m Overlap 0 2000 m Output DSF Test Size 10 0 mm Beam Height The beam height of the straight profiles The value is expressed in design units Low
7. 5 Click the Destination Folder Browse button to specify the new project 92 Reference Section 6 Navigate to the parent folder for the new project 7 Click New Folder and enter a name for the new project In this case TUG14 Select folder Look in Tug14 et Current Folder D Projects2005 Tug 14 8 Open the folder Click Select 9 This returns you to the Create Modified Project window The Destination Folder field now contains the path to the new project Create Modified Project Scale Move Length f Length 0 0000 Half breadth H Halt breadth 0 0000 Height moo Height 0 0000 Source Project D AProjects200545 C2005D emos hipCa Midemo SCF Browse Destination Folder D Projects2005 T ugl4 Ok Cancel 10 Click OK to create the new modified project Note If files already exist for the destination project the program prompts you to overwrite the existing files Project Examples Hard Chine Vessels These are the simplest vessels ShipCAM has proven to be an excellent tool for desiging these types of vessels from scratch The surfaces definition plate edges are defined by the mathematical rules of developable surfaces or by straight section surfaces Occasionally you will also find some surfaces to be of compound curvature Only the plate edges need to 93 Reference Section 94 be entered and faired Plate edges are generally the keel line all Knuckles
8. In lar to the one shown lew SIMI from the bottom left or enter 1 0 1 manually ICe t window use the third cho 6 iewpoin below Using the Set V LoftSpace D Projects2005 SC7005Demo ShipCAMidemo SKEG LGS Help Planar Sections Tools View Block Lines Vertices File q E E 5 E E a a a el 5 u Ps n E wd i al g 6 oy IRSE EE s lala sleli REID TIREE EA EEEE AO POLLO COO ENTES AID ALIADA ANI T HL PLATA NEN HAITIT ANANA Hinta i EAT HTI EH AFAN TA Ng MH ranas rete if CH AH TH PITT TPA E ATA eT HH TER AER ANN rah ERAS HERE a Shires PRA Pi we IIA HTA NETA ETA AA eg PAE A Tae BTR ETE PA AIRES ee Cs gd rere ere 1 Li Fiy PILAR ATTIN ty ATTN LA dr ii AE el gl 48 Aw 0 0026 Max Min 4 6201 Objects 7 e mi Zoom x 6 967 AFT MSH Ln 69 69 Vx 400 ogg 0 0 F 0 0000 0 0000 IM Iso used to tr IS a th the hull It lon WI tersecti In the skeg surface back to the im d to tr ion is require Surface imming a The trim surface funct Tr indivi change the colors to match lly lona dual hull plates Opt large design surfaces with seams and butts to To trim a surface Set the visibility of the blocks as shown below Zoom to the skeg surface L 2 to the skeg surface in Select Profile from the View menu and zoo
9. 0 0000 2 4103 0 1340 Exporting Frames with Cutouts The finished frame lines can now be exported to your CAD system using the DXF file format 1 Select Cutouts gt DXF Export or click a to bring up the DXF Options window 2 Set the desired options 3 Click OK 58 Tutorial StringerCutouts D Projects2005 SC2005Demo ShipCAM demo U12 FRM a Sl w TR al Biel AAA DXF Options E M Dimensions f 3D de Sa ob Max Frame Width 1134 4 E mtn Tile Frames Horizontally Snap planar lines to nearest whole value Esport Bevel Angles DF Output Text Size 0 1 mm Output Tolerance 0 0001 m cos For Help press Fi 0 0000 2 3515 0 1450 2D Export This option allows you to tile the frames This is a convenient feature for having all frames in the same drawing You can set the text size for the frame names 3D Export This option produces a DXF file that can be immediately used by ShipConstructor for detailing All frames are 2D polylines in 3D space Each frame polyline is on its own UCS Note You can only complete this function if you have a hardware lock Expanding Plates A ship hull consists of many plates The selected plate size is limited based on the available stock size or by a combination of the amount of compound curvature and the forming process that is used Areas of large compound curvature require small plate sizes while single curvature or un curved areas can be treated as v
10. 2 PlateExpand C Projects 200515C 200 5Demo15hipCAMidemo U12P06 MSH File View Mesh Build Borders Help a S a gt dido Yl AIS 2101219 S Aa el olla elas 30 Min 69 4100 5 0383 1 4000 Exp Min 0 0 0 0 Plate Stock Min Strain 10 0 30 Max 75 3500 6 7839 2 8000 Exp Max 0 0 0 0 Throws Starboard Max Strain 0 0 0 0000 5 0533 2 4453 m For Help press Fl Display Mesh Cross Lines Displays or hides the cross lines of the plate surface When the cross lines are off you only see the primary direction of the plate surface mesh The plate is composed of a surface mesh Generally a surface mesh is displayed by connecting all mesh vertices in longitudinal and transverse directions However for plate expansion the primary and secondary direction of the mesh vertices is important In general the primary mesh direction should be in longitudinal direction this ensures the best expansion results For complex plates such as bulbous bow plates try the two options and use the one that generates the least strain in the expanded plate Use Build gt Transpose Mesh to change the primary direction of the mesh lines 167 PlateExpand Program File View Mesh Build Borders Help m 30 Min 56 3500 0 4500 2 5000 Exp Mir 0 0000 0 0000 Plate Stack Min Strain 0 0313 E 3D Max 90 1826 1 6414 4 0000 Exp Max 5 9625 1 7140 Throw Starboard Mas Strain 0 0097 0 0000 0
11. 3 9600 3 3000 2 6400 1 9800 1 3200 0 6600 0 0000 0 6600 1 3200 1 9800 2 6400 3 3000 3 9600 4 6200 5 2800 5 9400 6 anna E Save As Cancel All visible design surfaces are cut at the specified frame locations and then displayed on the screen The Blocks window shows a new block with the name UNTITLEDnn FRM Use the Blocks window to switch off the visibility of all blocks except UNTITLED FRM Inspect the frames No of Locations 1146 iw 49 Tutorial Tutorial 50 10 ll 12 13 14 File View SPOR Dr ER EEUU be stilt demo sesen suns GRP TERRAN eilei mi lel el zi all er Pro PEP ERE ot e 3 7 Wy E A f o HA 2 Uy Lf E Ay tf N Y Mh M l Y a Min 4 6200 ooo 0 0003 For Help press FL AS ii 0 Switch the visibility of all blocks on again Cut waterlines using the file WATER LOC in a similar way Cut buttock lines using the file BUTTOCKS LOC in a similar way Switch all surfaces off except cut frames waterlines and buttock lines Use the Blocks window to change the colors of the frames buttock lines and waterlines to achieve a good contrast between them Tutorial LoftSpace D Projects2005 5C27005Demo ShipCAM demo designsurts GRP Ela fe SS e ee a cal aja Sl all lala fo gt l 0 ele ela sell al Holz clels all B x a 4 PRE Ale el X iN Ni an li Wi Y io LS Ma 30 7645 T 7
12. 3960 Quadra Street Victoria B C Canada V8X 4A3 SSI grants to the person accepting this Agreement the Licensee a non exclusive non transferable right to use the License in object code form those program modules application programming interface API any other materials provided by SSI under this Agreement and all upgrades revisions fixes updates or enhancements to any of the foregoing Licensed Materials specified in the Licensee s purchase order or request Invoice solely on the software and hardware listed in the Licensed Materials manual System Configuration Academic Institutions Trial Versions 2 A In the event that the Licensee qualifies as an academic institution user in accordance with SSI s specifications an Academic Licensee the Academic Licensee and its faculty employees and students may use the Licensed Materials for the singular purpose of either teaching training users or undertaking research provided that the Licensed Materials and all copies of the Licensed Materials remain at all times at the Academic Licensee s premises and the Licensed Materials are used for no other purpose than that set forth above The above restrictions are in addition to the restrictions on use set out in Section 5 below In the event that the Licensee receives a trial version of the Licensed Materials for evaluation purposes the terms and conditions of this Agreement exc
13. ONSTRUCTOR 2013 Featuring Database Driven Relational Object Model DDROM Copyright 2012 ShipConstructor Software Inc All Rights Reserved ShipCAM www S hipConstructor com Copyright 2012 ShipConstructor S oftware Inc J an 31 13 ShipConstructor 2013 ShipCAM Published 2013 01 31 Copyright Copyright O 2012 ShipConstructor Software Inc Information in this ShipConstructor manual is the property of ShipConstructor Software Inc No part of it can be reproduced translated resold rented adapted modified stored in a retrieval system or transmitted in any form or by any means in whole or in part All Rights Reserved Trademarks ShipConstructor AutoMagic SmartParts Database Driven Relational Object Model DDROM Are all registered trademarks of ShipConstructor Software Inc ShipConstructor Software Inc Suite 304 3960 Quadra Street Victoria BC Canada V8X 4A3 Toll Free 1 888 210 7420 Phone 1 250 479 3638 Fax 1 250 479 0868 Information info ShipConstructor com Support Support ShipConstructor com Sales SSI ShipConstructor com Website www ShipConstructor com SHI PCONSTRUCTOR LICENSE AGREEMENT BEFORE PROCEEDING WITH THE INSTALLATION YOU MUST ACCEPT THE TERMS OF THIS AGREEMENT INDICATE YOUR ACCEPTANCE OR REJECTION OF THIS AGREEMENT BY CLICKING ON THE APPROPRIATE BUTTON IF YOU CLICK ON REJECT INSTALLATION WILL ABORT 1 License Grant ShipConstructor Software Inc 304
14. reduce the number of views to speed up the refresh process Changing Colors Each module lets you select custom display colors Max mi To change colors i 2 3 Colors Attribute Spline Lines Active Spline Line Control Vertices Offset Vertices Current Vertes Break point Vertes Porcupine Curvature Porcupine of Cut Sect Estimate Surface Cut Sections References m Standard Colors L ROE DAER O M Full Color Palette lj Logical Colors Red Green Blue Fairing a Station Before fairing stations you have to enter offsets for the table of offsets not shown in this tutorial LinesFairing makes a copy of the offsets and calls these control vertices The control vertices are then modified automatically so that the spline passes through the entered offsets The control vertices are displayed as small crosses horizontal and vertical line The offsets are displayed as small Xs diagonal lines 9 a v v y a ye a 7 v ra Tutorial Select View gt Colors to change the display colors The Colors window appears The table lists all the elements of the display that the user can change the color of or turn off Cancel Gray Shades l i i 1 o 2 o z mn Cancel Change the colors as you prefer them now or come back and do it later la Tutorial 14 We want to step through the stations now Make sure t
15. 400 1 line 100 2 0157 1 line 492100 Select Tools gt Fillet Surface We will use a new picking technique now In AutoCAD you can drag a rectangle to select entities ShipCAM uses the same functionality Drag a window from left to right and all entities completely inside the window are selected Drag a window from right to left and all entities that cross the window are selected Just as shown below drag a window from right to left to select the surfaces AFT MSH and SKEGTRIM DEV Press Enter LoftSpace D Projects2005 SC 005Demo ShipCAM demo FCSTLDECK LGS File View Blocks Lines Vertices Tools Planar Sections Help col ala 8 4 el lali Y Ale PAPA ml M 7 lsel el 0 sel cal AL Ar al B xxi lala lel 4 Min 4 6201 o bject 11 Ready 6 4393 MA 0 0026 Max 31 0799 0 0000 0 7616 7 5915 7 5046 11 2000 AFT MSH Ln 65 65 Vx 400 Zoom x 1 000 im Tutorial A new screen appears You might have to move the Fillet window to get a clear view Enter a Radius of 0 2 meters Click the Change Direction button until the normal vectors point to the outside of both surfaces The vectors indicate on which side of each surface the ball is rolling Click Intersection Type gt Both Then click OK 4 LoftSpace DProjects20051502005DemosShipCAMidemo FESTLDECK LGS File bl rs PES pr EE e EE pre pad A a ES MER ee dew Blocks Lines Verticas Tools Planar Sections Help Sle ela e
16. 6 0000 0 0000 E Point3 0 0000 0 0000 0 0000 m Oblique gt Point Angle Defines a cutting plane by selecting a plane to which the cutting plane will be perpendicular and a point and an angle in that plane Point amp Angle Oblique Plane Plane xY Plane y x Y Point 12 0000 0 0000 m Angle 45 Use the Point amp Angle Oblique Plane window to enter to coordinates of the point and the angle and then press OK Connect Sections Connects the sections that were just cut Use this function if you did not check Join Tolerance in the Options window Show Porcupines Lets you highlight the individual sections and show the porcupine Use this function to do one of the following e Check if the sections are connected properly You might have unexpected gaps between two surface edges that cause small breaks in frames e Check the fairness of the sections Use the curvature display to do this e Check special conditions of sections such as horizontal or vertical areas Do this using the slope options LoftSpace Program LoftSpace D Projects2005 SC 005Demo ShipCAM demo designsurfs GRP File View Blocks Lines Vertices Tools Planar Sections Help sal ala ala el lili Yl Ale AAA sel l sel a 5 galg eleis 5 ml bolleria el ll 1 leal e oe Pl E a f Oe i i a i i i PS e y a Fi j Pi r P i Fi Fs F j n Porcupines 23 1000 0 0000 0 9813 593 1000 0 9678 5 L g Pst f E fui IN EI a e
17. 6 0898 6 0897 0 0001 0 0018 6 0932 6 0934 0 0002 0 0030 6 0964 6 0969 0 0005 0 0087 _ won none wh Show Strain Map E Shows the 2D color strain map Show Strain Map 3D Shows the 3D color strain map in the orientation of the original plate Decrease Strain Scale B Decreases the range of strain values in the strain map Increase Strain Scale ES Increases the range of strain values in the strain map Use this to increase the contrast of the colors to show strain Show Strain Scale Displays the color code bar for the strains in the expanded plate along the bottom of the window with the strain values the colors represent PlateExpand Program Creaing a Plate Expansion Drawing To create a plate expansion drawing Load the plate you want to expand Load all marking and reference lines you require Set the options to generate the desired expanded plate and forming templates Expand the plate Check the results and strain map Save the expanded plate as a DXF file Open the DXF file in CAD Make any changes you require Nest the plate if it does not completely fill a stock plate NC process the plate AAA SOTA eee ES S PROFILE VIEW i i i A E H Plate Checking Data Plate Deformation Table p fl U Typical DXF drawing generated by PlateExpand Troubleshooting Problem Strain is extremely high in an area where it is not expected Solution Po
18. AFT STO Station Offsets 9 41995 4 06 10 DECKS LGO Longitudinal Offs 1148 1995 342 5 FORMWARD LGO Longitudinal Offs 11728 1995 11 20 FORWARD STO Station Offsets 11 29 1995 S44 HULL STO Station Offsets 1142971995 5 46 SKEG LGO Longitudinal Offs 11 1 1995 241 4 File name Files of type jal Compatible Files Hew Group Group Edit Cancel Tutorial 1 Choose File gt Open or click 5 The file Open window appears You can sort the files in any order by clicking on the column header For example click on the column header Names to sort alphabetically and click again to sort reverse alphabetically Try the same for any other column header Tip Sort by Modified when transferring files between program modules The last saved file will be listed first making selection easy 2 Select the file HULL STO and click OK The station lines are displayed for fairing The stations appear in profile view This is not the best view for stations We will investigate how to set the best view LinesFairing D WProjects200515 2005Demo 5hipCAMidemo HULL STO File View References Help SH S See Sil tf eae td AE PALA lels lt l gt STS AR ll le Le ell el Slx sl Seem Fairing Spline TRANSOM Control Vertex fi 42538 oad n 0 8000 Es y 5 7270 Z Step 0 1000 m Fairing Spline On TRANSOM STM_O STN_1 STN_2 STN_3 STNA STN_5 STN_6 STN_ES A A de dr 0
19. Displays a window to open one or more ShipCAM files D aAa A AGA A AOA GOG A A D O A oO AA GOGO A E OOO OOO OO CC oO Oo OF OO O O O 0d LoftSpace Program 99 LoftSpace Program Open surface files Director D Projects200515C2005D emos 5hipCAM Modified Desc a Sige ETT MSH 196945 Mesh Surface 107 3171995 10 59 114FT M5H 440905 Mesh Surtace 1177 7995 125 12BLG MSH 933697 Mesh Surface 107 3171995 10 59 T3FwWD MSH 1191355 Mesh Surface 11717 1995 1 01 1 T4FLTSID MSH 65636 Mesh Surface 117171995 125 15FCSTL MSH 97535 Mesh Surface 117171995 12 46 1TH STR 10550 Stinger Surface Ao 20D 55r 1TT 57R 10562 Stinger Surface A ot 2002 S572 I5EGINB DEW 14702 Developable Sur 117771995 1434 2fSRGOUB DEY 14702 Developable Sur 11741995 14 35 v SU ETR NERO Cka cise Reon RATA Files of type E Compatible Files z Hew Group Group E dit Cancel a All Compatible Files Plate Mark Files pmk Compressed Files Mesh Surface Files rash Developable Surface Files dev Longitudinal Splines Files lgs Longitudinal Offset Files 190 Station Splines Files sts Station Offset Files sto Frame Line Files frm Buttock Line Files btk Waterline Files ln Surface Intersection Files sin Stinger Surface Files str Projection Files a Files of type Lets you limit the files displayed in the main window A ShipCAM projec
20. Name BY E E E st O E fe ft AFT LGS FORWARD LGS 15 lines 0 lines lines 191 600 SKEG LGS EA MIH 10 We will make the new surface invisible since redrawing the new surface takes some time and we want to go on from here To do this click on the light bulb Y in the ON column of the FWD MSH block Developable Surface This function calculates the ruling lines of developable surfaces A developable surface Is always calculated from two high resolution polylines that mark the plate edges A surface is developable if the program can find straight lines between the two edges that have the same surface normal vector direction at each end of the straight line These lines are called rulings To calculate ruling lines of a developable surface 1 Switch to View gt Profile and zoom into the aft area of the hull You should see a view similar to the one below LoftSpace D WProjects200515C2005DemoShipCAMidemo SKEG LGS File View Blocks Lines Vertices Tools Planar Sections Help al W A J a sal ele S al el 4d il A F AA En M elea e sel el al Alla slels Al e xilma lt del le e Objects 4 Min 4620 Good 00026 Ma A aa Netty AA For Help press Fi 117 3262 0 0000 1 1468 AFT LGS Ln 11 11 Vx 400 Zoomx2 559 m 36 2 EA 4 sA 6 Tutorial Select Tools gt Surface Generation Watch the status text in the lower left corner Click on any of the l
21. Open Frame Line Locations scsi ara aaa Open Waterline LOCATIONS ecsscsssssssscssssrssrsssssserserssssesrseesesesersaesesersensatsesensansates Open BUMOEK LOCA Saad sia aia MEWMeN ara Show Original Frames Or Stringers ssscessssssssssrssssscssserssesessesersesessrsersassesersensases Show Straight Frames or SIA rai ainia Show Curved Frames or StIINQETS ococconacionocionocionanionancnanconan conan conan conan cr narco nncrnns E0 0 eE seca seacurecss A E A A T E eames inverse Bend M n kaninina aaa a aaa ODUN Sarita dsd EXDOM DD Assia A a eT eh SEV SS Bend rra tartas Steps to Create Inverse Bending FraM8S cccccccccconocnconooncncnncnnconooncnncononos Steps to Create Inverse Bending Stringers sesesesssesssssssrssssersersersers PinJig Module A E O A Fie Mena OPen PI IES nun iii Open Frame LocatONS uniana AA Save PIN Table aAa AAAA vii Contents Contents open PINAR 191 a ay EENE ANE OEEO 191 BOM a OO AA 192 ODON S aras 192 Make PIT naaa 193 ROIR lt EE E RN 193 SIAN rl tes X aNd Y tO 0 Dita T EET TE A TA 193 G nerate PIN Array ON CMS ieni A E O A cnet ued 193 EXpOrC tO DAF cr a A AA 193 AULO IMEA Uaa a a er Tren rere rrr eran Tiree rrr rater 193 Select Ypper Ler COM eras ai AAA AA A AA 193 ga A cites ale adic el el alder teal IROI 193 Select Lower Left Comer 194 select LOWED RI MU COMET ornai vain voces ibaa iuttid Ao 194 AULO COVEI scsi tise a E E E E aan cope eta tate oR aos 194 SEPSA a
22. Open the DXF in your CAD program and investigate the results 189 Pinjig Module PinJig Module Pinjig D Projects2005 S5C2005Demo ShipCAM demo U12P08 M5H File View Build AutoLevel Help ce ety seri es E seh Paes eee ef BORE at ara BOS a ci Ss A E oo E SAS A x ie a ae E amp MS Z y lt Min 0 0000 0 0000 1 0000 Max 8 1348 8 0945 2 1346 For Help press F1 8 5081 887 8490 0 00C m PinJig calculates the information required to build a PinJig for the assembly of construction modules The data is output as a DXF drawing of the PinJig with a table of pin heights and the angle between the normal and the pin at each pin location Note See Pinlias page 80 for an example on how to run Pin igs Toolbars Pin Jigs Ya S all tol 15 11 Open Plate Surface Hal Save Pin Table 3 Export in DXF Format Sl Print Options 190 PinJig Module nf Make PinJig Rotate the Plates Auto level the Plates 1E Shift the Plates to 0 0 L Set the Minimum Pin Height File Menu Open Plates Ctrl 0 Open Frame Locations Save Pin Table Export to DXF Open Pin Array Save Pin Array Project gt gt New Project Open Project Project Settings Print Ctrl P Print Preview Print Setup Exit Open Plates Opens surface files that represent the plating of a construction module Note Loading the
23. Orthographic Delete Restore Save Ucs Window _top Regenerating model Command SNAP GRID ORTHO POLAR OSNAPJOTRACK LWT MODEL Layers Tab Layers Mesh Lines _SLD E gt Frame lines _PRD O 1 Buttock lines _PRD A 30 Water lines _PRD M 160 Plate Edge _PRD Bs Plate Edge with stock _PRD Bs Plan Projection Lines _PRD O 1 Profile Projection Lines _PRD E 3 Body Projection Lines _PRD 5 Sightline _PRD O 4 Surface Intersection _PRD E 2 3 o re The Layers tab lets you set the colors and layers that objects are written to when the expanded plate is output to a DXF file To change a value double click on it The color changes only affect the colors used in the DXF file not in the PlateExpand screen display In general you want a setup similar to the following when you are NC processing and using colors to distinguish process types e Color red for all outside cuts e Color green for all inside cuts e Color blue for all markings e Any other color for all non process items When you are NC processing using layers to distinguish process types use the following setup e Layer NCOUT for all outside cuts e Layer NCINS for all inside cuts e Layer NCMRK for all markings e Any other layer for all non process items When linking to a ShipConstructor model you should place all production elevant information on the layer PRD and all other information on a different layer The plate edges should be in the
24. Plane Parallel gt Frame Knuckles Oblique Plane gt Buttock Lines Connect Sections Waterlines Show Porcupine Two Points Options Three Points One Point amp Angle This group of functions is used to create frame lines waterlines buttock lines and canted sections by intersecting the vessel s surfaces at given locations Sections can only be cut on surfaces such as meshes MSH and developables DEV The sections are always cut on all visible files Blocks that are switched off are ignored 129 LoftSpace Program 130 Planar Sections ES S lala al i Planar options f Cut Frames k Cut Buttock Lines Cut Waterlines j Cut Oblique Using Two Points cut Oblique Using Three Points lt 5 Cut Oblique Using One Point and One Angle Highlight Sections Remove Vertices Removes vertices that are closer than the tolerance This is important in order to avoid problems with NC controllers Plane Parallel Sections gt Frames Waterlines Buttocks Location files can be created when starting to cut sections In this example we will cut frame sections To cut frame sections 1 Load any number of hull surfaces into LoftSpace 2 Select Planar Section gt Plane Parallel gt Frame Lines A Locations window appears to let you select a location file or you can type a new file name to create a new location file Locations Directory 0 AProjects200545C2005D emotShiplan Mad
25. The DXF Options window shows the options available You will also be prompted to add frame marks to the DXF file DAF Options Dimensions C 30 fe 3D Max Frame width 41944 pom Tile Frames Horizontally Snap planar lines to nearest whole value Export Bevel Angles DF Output Test Size 0 1 mm Output Tolerance 0 0007 mi Cancel Dimensions You can export to DXF using a 2D or 3D format In 2D all frames will be in the world co ordinate system X Y In 3D the frames will be in 3D space For each frame a UCS will be in the resulting drawing in the plane of the frame The UCSs are named the same as the frames Tile Frames Horizontally Available for 2D export only Tile Spacing The distances between each two frames Use a value larger than the maximum frame width to avoid overlapping frames Snap planar lines to nearest whole value Using floating point conversion may result in values that are slightly off from the desired values For example a frame might be located at 30000 mm but converting results in a value of 29999 97 mm This could cause problem during the detailing process as the CAD system will not consider two items in the same StringerCutouts Program plane if one is at 30000 mm the other at 29999 97 mm Snapping to the nearest whole value will eliminate this problem Export Bevel Angles LoftSpace can calculate the bevel angles between the frame and the shell plating These can later be used to c
26. U12P03 MSH U12P04 MSH U12P05 MSH U12P06 MSH U12P07 MSH U12P08 MSH U12P09 MSH Inverse Bending 76 Creating perfectly shaped frames or stringers from stock profiles such as L bars Holland profiles or T bars without expensive forming templates is easy using the InverseBend module Simply create inverse bending curves and scribe AREA mm 8316754 2 10696886 5 10177753 6 7572931 5 5001759 8 8859377 6 9849021 4 10405438 4 7906466 3 78786389 3 SURFAREA mm 16809672 7 21579584 2 20539429 1 15319688 4 10168888 4 17869839 1 19852174 8 20966579 5 15959844 3 159065700 5 LCG mm 72380 1 72380 72382 72025 72029 72395 72398 72402 72400 4 72327 6 TCG mm 0 0 1600 3 3352 2 4821 6 5656 6 6002 8 6281 0 6501 1 6696 6 4302 1 vec mm 6748 7 1983 2 WEIGHT kg them onto the straight profiles Next bend the profiles until the inverse bending curves become straight lines and then you are done Inverse bending curves can be created for frames non twisted and twisted longitudinals Create Inverse Bending Frames Using frame traces on the hull surface and some simple settings you can produce CAD DXF drawings with stock expanded profiles The profiles have marks and offsets for the inverse bending curve and let you put buttock line marks waterline marks and any other marks you want on them To create inverse bending frames L Ze Start the InverseBend progr
27. chines and the sheer Waterlines and buttock lines that might be given in the design drawing are not used To fair a hard chine vessel and create the surfaces de Enter the table of offsets for the plate edges using the LoftSpace program using one line for each edge Save the offsets to an LGO file Fair the longitudinal plate edges using the LinesFairing program Save the faired lines as high resolution splines Calculate developable or straight section surfaces using the LoftSpace program In general only the lower and upper edges of each plate are required Often the upper edge of one surface is the lower edge of the next surface For example the Keel Line and Chine Line are the plate edges for the bottom plate The next figure shows the resulting ruling lines of the bottom plate for a tugboat The surface is represented by connecting the end points of each calculated ruling line with a straight line The end points of all ruling lines lie on the two plate edges The ruling lines become shorter as they approach the forward and aft end of the plate The first and last ruling line may have zero length if the faired lines meet in a single point at both ends The splines for the side plate edges do not meet in a single point The hull looks open This seems unusual but the ends of the plate are just straight lines and these will be represented by the ruling lines that connect the first vertices on each longitudinal and the last verti
28. 0 4 Throw Starboard Save Deformation Info Saves a table of text containing the information about the 3D and 2D dimension of all plate mesh lines including any length differences in absolute values and in percentages If you use a monospaced font the columns will line up Plate Deformation Table UNITS MILLIMETERS LINE 3 D LENGTH EXP LENGTH DIFFERENCE DIFFERENCE 6107 1 2 0 0326 15 6103 1 Q 14 6102 3 6103 8 1 4 0 0237 13 6099 3 6100 3 1 0 0 0160 12 6096 4 6096 9 0 5 0 0097 11 6093 2 6093 4 0 2 0 0030 10 6089 8 6089 7 0 1 0 0018 9 6036 4 6086 1 0 3 0 0052 8 6082 8 6082 4 0 4 0 0067 7 6079 0 6073 6 0 4 0 0068 6 6075 3 6075 0 0 3 0 0049 5 60712 607L1 01 0 0010 4 606 7 1 6067 3 0 2 0 0040 3 6062 9 6063 5 0 7 0 0115 2 6058 0 6059 2 1 3 0 0206 1 6053 1 6053 0 1 9 0 0309 Save Layout Plan Profile Body Adds the three principal views of the 3D plate with all markings and references to the DXF drawing Developable These options only apply to developable surfaces e Save Dev Ruling Lines Adds the ruling lines of the developable surface to the DXF file Use these lines to pre roll the plate before placing it on the frames e Output every nth Outputs every nt ruling line A developable plate generally consists of several hundred ruling lines to achieve an accurate expansion However you only need 10 or 20 rulings to guide the rolling process Using every 10th line will output rulings 1
29. 0050 0 0020 0 0000 0 0000 0 0001 0 0000 0 0003 0 0000 0 0017 0 0000 0 0045 0 0004 0 0034 0 0000 m m a L O d For Help press F1 25 7792 0 0000 37 9303 m Toolbars ShipCAM provides toolbars as shortcuts to frequently used commands You can dock the toolbars on any side of the program window or keep them floating inside the window The visibility of toolbars is controlled with the View gt Toolbars command Visible toolbars have a check mark in front of the menu item Use the customization you prefer All program modules save the custom settings Tutorial Profile Ctl F2 Plan Crl F3 iw Body Cti F4 viewpoint set Viewpoint Zoom Window Zoom All Zoom In Cctrl F11 Zoom Out Cctrl F12 o Standard iw Vertex Window we View ow Offset Distances le Splines Settings Colors 7 y Split Window Views Each module in ShipCAM has a View menu and toolbar that allows you to change the viewpoint of the active view Set user defined view Rotate View Plan View Profile View Zoom In User defined View Selecting a Viewpoint ShipCAM has three standard viewpoints PLAN PROFILE and BODY and one custom viewpoint The custom viewpoint is specified by a point in 3D space as if you where standing at that point and looking in the direction of the origin To select a viewpoint 1 Select View gt Body or click Lay to display the stations in Body view Tutorial 10 2 LinesFairing D Projects2
30. 1 Download the following file to your computer www shipconstructor com downloads 2009 ShipCAMDemoProject exe 2 Run the self extracting program Tutorial 3 WinZip Self Extractor ShipCAMDemoProject exe To unzip all files in ShipCAMDemoProject exe to the specified folder press the Unzip button gt Unzip to folder Browse Overarite files without prompting Click Unzip Fairing Projects ShipCAM organizes data into projects A project consists of all data for one ship hull All data files for a project are stored in one directory on your hard drive Each directory has a special project file that stores your project settings such as lofting units CAD units and more We begin by starting the LinesFairing module 4 Start the LinesFairing module by clicking on the Start Menu and selecting ShipConstructor2009 gt ShipCAM LinesFairing The Running in demo mode window appears if you do not have a hardware lock You can run the program in demo mode without a hardware lock but you will not be able to save any files All files required for this demo are included in the demo project data LinesF airing A ShipCAM is running in demo mode OK The program starts up as shown in the next figure The program title bar shows the open project file name and the running program module name On startup of a ShipCAM module the last project worked on is loaded When you start ShipCAM for the first time the
31. 143141997 357 2 142241997 5 39 1 541042004 8 48 2 5 26 2002 6 20 17 Cancel Files of type jal Compatible Files Save Compressed Saves all currently loaded data files into one single compressed data file This lets you store many files in a single file 104 LoftSpace Program Export DXF File This function lets you interchange data with virtually any CAD program The following window gives you all the options to write the data in the form you need If you use AutoCAD the ShipCAM Import utility is a simpler way to load the geometry in CAD From AutoCAD type SCIN Note This function exports all visible blocks Blocks that are set invisible are not exported DXF Export Options Window DAF Export Options Export Mesh As Dimensions e Polplinez cc 20 Polpikesh le 30D Cancel Snap planar lines to nearest whole value L ets Tile FAM ETE WLN C Line Mame pa Block Mame E 3 Spacing 0 0000 morn le Specify a C Specify Once Test Size 0 1 mm Bevel Angles Export Mesh As Export all mesh surfaces as the type of entity selected Dimensions Export the data in 2D or 3D If 2D exporting is checked the View field is used to determine the transformation to 2D View The view that the data is exported in if 2D export is selected Snap planar lines Snap the vertices of planar lines to the nearest whole value 1 100th millimeter 1 100 000th meter 1 10000 foot or 1 1000th inch
32. 2 MEEN Note There are cases when a portion of the surface is not developable In that case the non developable area is covered by a ruled surface Non developable rulings are then displayed in red Using the same techniques as described for Cross Spline Surfaces make a surface from the file AFT LGS that is already loaded We need this surface in the next step Name the surface AFT MSH Hint Switch the visibility of all other blocks off to simplify selection Make sure to select HALFSIDING for the Start Line and UPPER TANGENT for the End Line Generate Surface Start Line pau tace Type 7 HALFSIDING End Line UPPERTANGENT Bit a a Cancel Tutorial Intersect Surfaces We hope it was not too difficult to create the surface for the aft of the hull To find the intersection of the skeg with the aft hull 1 Set the Blocks window as shown below Name 2 gt Color On Xn Desc Stk Throw L R B T AFT LGS M 150 FORWARD LGS jj 120 Y SKEG LGS Me 2 X FWD MSH Mz 15 lines 20 lines 2 lines 191 x 600 100 x2 71 x 400 3 SKEG DEV Mz 9 Mr 9 FEB VN 8811000000111 2 LoftSpace D Projects2005 5C7005Demo ShipCAMidemo SKEG LGS File View Blocks Lines Vertices Tools Planar Sections Help Sa ah a Al El hidl EDEN EEE E Hela elele l ml xlali el ael el 2 7 K k HINA Ii e a ie Hn ra ih ite Ii HEH HH Ie INIA AA MINNINNINF i vie tae it i HT CHAE Ht it hin
33. 5 alg lels l el xla e 481 le 21 ME Objects lg Min 4 6201 0000 0026 Max 91 0799 75046 11 2000 For Help press F1 26 5058 0 0000 9 6907 ISKEG_AFT SIN Ln 1 SKEG DEV_AFT MSH_SIN Vx 33 Zoom x 3 456 m Creating a Deck Surface ShipCAM can generate deck surfaces starting with either a deck centerline or a faired longitudinal that defines the side of the deck ShipCAM can use five different kinds of deck camber styles To create a fore deck from a centerline 1 Select File gt Open ShipCAM File or click Select the files FCSTLDECK LGS and 15FCSTL MSH and click OK The file FCSTLDECK LGS contains a faired centerline of the deck The file 15FCSTL MSH is the forecastle hull surface The deck has to be trimmed to this surface 2 Set the visibility with the Blocks window as shown below Set a 3D viewpoint to 1 1 1 and zoom in to the forecastle area so that your screen appears similar to what is shown below 43 Tutorial the lower left corner ra a c ot a s 8 2 5 z s i Uv hey so amp 5 a eo y val anti CO e vant ind O 1 Ga sl So se Hae E VO N sf 2 S C oO ps ra wE 2 E E un Dres 5 Y 3 c IE 7 5 toa lt PE lt 53 5 o ar S 283 uw y ce i E af gg z a kz vo 5 hacen ae a Bo PE g T HF Os H T wi Dm oD O u A y i oD D y k EH f ESEG E E i E D gt 2 A 5 as S Cc WN O eh
34. All fields below are filled with the value 5 0 Keyboard Shortcuts The Offset Editor table must have the input focus in order to use the following keyboard shortcuts To make the Offset Editor table have the input focus click anywhere on the table The current selected cell will have a dotted rectangle on its border if the table has the input focus Shortcut Key Function Insert Inserts a new vertex before the current vertex Delete Deletes the current vertex Home Sets the current cell to the top of the table End Sets the current cell to the bottom of the table Ctrl Y Uses the spacing from the previous vertex coordinate to the current vertex coordinate and applies it to the remaining vertices Ctrl D Uses the current vertex coordinate for the remaining vertices Ctrl T Sorts in ascending order all the coordinates in the current column of coordinates from the current position onwards Surface Generation The hull superstructure or any other part of a vessel can be described by fairing lines in transverse and longitudinal directions and then calculating a surface from these lines The Generate Surface function provides ways to generate four types of surfaces e Cross spline surface e B spline fitted surface e Developable surface e Straight section surface The resulting surfaces are stored in two different file types 1 Mesh Surface MSH file is used for compound curvature surfaces surfaces curved in two independent directi
35. Cutouts or click a The program places a copy of the standard cutout at all marked positions and rotates and scales it to match the frame marks Then the frame line and the cutout are trimmed to each other and connected to create a single polyline for each frame 54 Tutorial StringerCutouts D Projects2005 SC2005Demo ShipCAM demo U12 FRM Ea File View Plane Girth Projection Cutouts Help S al ASA AA al al AAA 0 0000 4 6650 0 8640 3 Zoom into some of the cutouts Marking the Side Stringers Now use the same techniques as before to create marks for the side stringers To mark the side stringer 1 Select File gt Mark Options or click Change the settings as shown below Click OK 55 Tutorial Options Stinger Width 0 0700 m Stringer Angle 60 Stringer Height 0 1200 m se E Normal to surface Stretching me Toe Direction i E Seo anes Inboard From Frame FA Ub lt P Mn Outboard To Frame FR_114 iM Show Marks canal 2 Select Projection gt Profile Projection and select the file STR_SIDE PMK Click OK A message appears asking if you want to erase the existing marks Click Yes The marks are calculated and displayed Inserting Cutouts for the Side Stringers Next we insert the cutouts for the side stringers To insert the cutouts 1 Select Cutouts gt Open Cutouts and select the file CUT12X7 DXF Click OK 2 Select Cutouts gt Insert Cutouts or click 19 The
36. E 1 Hanas On DEMO aaa 2 Tutorial 2 FAM 3 SEI SCE IG COMMA NGS ca id 3 Dye N a oyslow DEMP el ee O e o reer Mn armen semen E En or PRO PE EOI rect arr een ee 3 FANNg Pro ec anna aaa adds adas anda 4 ODEAING FICS WINdOw SONO rara 7 TOD ra E AOO NEN AOE daa Lao 8 MS eR eee ere ee eee eee ener 9 MUL DIG VIEWS ina 10 REMOVING MUIDE VIEWS sica 12 chandio A will ial lla tii O CRE lll ogden i delice 12 FANNO hc Ca Lo y ROPPCCON OOOO on vical hg gu EOE cach ROO aa teenie A attic abe 13 KRueKles ana Sta ONtening Sta OS erotica 15 checking Fairies Suit lidad 16 Longitudinal Faltan canada 17 EScation FIG EGUNO airada 22 O NN 27 OMS DaCe BASIC a de ia od 27 Sa EGEN bno o OAA EE EOE OEE 31 COSS SPINE SUMA CE ias 33 Developable SU ICE aa Ac 36 INtersect SUIT ACES ais 39 Uan O PERO O OOO PRO O AAEE 40 Creauna a DOCK SUA CS cido adidas curiida 43 A cisco esac serch eo AA ES EE E E 45 PME EOIR Mean entre rire rte ten Cr min on Ne nn omer enn con nn eer cn treo errr tr ct 48 CUTINO S OCU OINS caia Oia 48 Producing Frame Marks and Inserting Cutouts seriada 51 Expanding Plateada 59 Expanding a BOW Fashion Plat india ral a a a a dveueslgdtaceatctlai 66 Expanding the Plate with the Bow Thruster Intersection ccccessscsssssssrssrsssssserssesesseserseesesersrsaeseserseesateesersaesatensensateass 68 A A 70 Weights and Center OF Gravy atleta atada 72 Contents MVS BENIN iaa 76 Create Inverse Bending Eel tn Adi 76 Create Inverse Bendi
37. Frame Line Locations and select the file FRAMES LOC Click OK Click No when asked to edit the location file InverseBend D Projects2005 5C7005Demo ShipCAMidemo U17IBND FRM Fie View Inverse Bend Help 39 S Hl i lid lel clalalel Zils ee RT Pl A O O O M T A M E D E For Help press Fi 6 Select Inverse Bend gt Make Inverse Bend or click Sl The program calculates the inverse bending expanded curves The resulting straightened profiles with all marks are displayed in plan view The profile can now be exported to a DXF drawing in 2D for production drawings or in 3D for the 3D model Please view the resulting DXF drawing U12ILNG DXF in your CAD system 79 Tutorial Pin igs The PinJigs module calculates the information required to build a PinJig for the assembly of construction modules The assembly is output as a DXF drawing of the Pin ig with a table of pin heights and the angle between the normal and the pin at each pin location The following will demonstrate how to create a Pin ig for the side plates of the U12 unit To create a PinJig drawing 1 Start the PinJigs program module 2 Split the window into four views and set up a profile plan body and 3D view window 3 Select File gt Open Plates or click and select the files U12P05 MSH U12P06 MSH U12P07 MSH and U12P08 MSH 4 Select File gt Open Frame Locations and select the file FRAMES LOC Click OK Click No The frames are marked and used as re
38. OS For Help press Fi 44 3844 0 0000 17 8176 m 2 Scroll bars are only present in the active view Click in each window and select the view you like 11 Tutorial 12 LinesFairing D Projects2005 SC 7005Demo ShipCAM demo HULL STO Fie View References Help sul el al wl al Be bel lel ololalal MESA xlali Slx Fairing Spline TRANSOM Control vertes i 5 0 8000 E 4 5 7 EF a eS T Step 0 1000 m l Fairing Spline O TRANSOM STN_O STN_1 STN_2 STN_3 STN_4 STN_5 STN_6 STN_65 a Je D ee D dr 0 0020 0 0000 0 0000 0 0000 0 0000 0 0004 y 0 0000 e E i E 1 NNA y 0 0010 4 CUNAS 0 0094 A 0 0007 0 0000 4 7745 8 2469 3 Use View gt Zoom In to zoom closer in to the currently active view Note LinesFairing by default behaves differently from any other ShipCAM program module LinesFairing synchronizes the zoom scale and pan position between all windows The active control vertex is always centered in all views You have the option to switch this off On the toolbar find the Track Control Vertex and Synchronize Zoom Scale buttons E and click on them so that they appear not pressed all Removing Multiple Views You can remove the split views by double clicking on the bars between the windows or moving the divider to the edge of the display Hint Displaying multiple windows slows down the display refresh process If a large amount of data is displayed
39. Profile view Plan Projection Lines Projects any 2D or 3D lines onto the plate in Plan view Body Projections Projects any 2D or 3D lines onto the plate in Body view 179 ShellExpand Program Hint Plate seams plate butts and stringers can be projected onto the surface Oblique Plane An oblique plane defined by one of three combinations two points and a plane a point an angle and a plane or three points is intersected with the hull surface See Planar Sections page 129 for details on cutting oblique sections Penetration Surface Opens a surface to intersect with the plate to be expanded For example open the bow thruster intersection with the bow plate View Menu Profile Ctrl F2 Plan Ctrl F3 Body Ctrl F4 v Viewpoint Set Viewpoint Zoom Window Zoom All Zoom In Zoom Out Toolbars gt Y y Standard Colors v View Split Window Colors Displays the Color window that lets you customize the colors used for the individual items Attribute Color fo a Mesh Frames Buttocks Waterlines Plate edge Plan Projection Profile Projection Body Projection Surface Intersection Tilted Plane Start Edge of Shell End Cdan af Chall A A EEE 20000 Build Menu Options Reverse Sections for Expansion Expand Surface w Show Original 3D Show Expanded Options Select Build gt Options or click the options EP button to display the Settings window This window lets you customize the Shell
40. ShipCAMidemo HULL STO File View References Help al 2 el W07 loli HET alada AIS eee Iela lt A Ea AR bl o Lolo lel ES lst 9 00 e Fairing Spline TRANSOM x Control Vertex fi 4 2538 pe e 2538 0 8000 ad Y PE 5 7270 EEE Z Step 0 1000 m pe TRANSOM STH_O 5TM_1 STH_2 STH_3 STH _4 STM_5 STH_E STM_6 5 de o d 0 0090 0 0020 0 0000 0 0000 0 0001 0 0000 0 0003 0 0000 0 0011 0 0000 0 00495 0 0004 0 0034 0 0000 0 0039 0 0010 0 0044 0 0094 0 0003 0 0007 For Help press F1 0 0000 6 2381 11 2896 The vertex window displays this information about the current images Pang Spine TRANSOM Control Vertes i 4 2538 p x 0 8000 ad y z 5 7270 gt s Step 0 1000 m Fairing Spline The name of the currently active spline This can be selected by using the drop down control Control Vertex The number of the currently active control vertex X Y Z The location of the currently active control vertex You can use the spin control to change the location of the vertex or enter a value directly into the control Step The distance the currently active control vertex will move when clicking in the spin control or using the Shift key in conjunction with the cursor keys 138 Fairing Spline TRANSOM STH_O STH_1 STN_2 STN_3 STN_4 STN_S STN_E STM_6 5 ee oD oD oD gt od dr dz 0 0090 0 0020 0 0387 0 00
41. Waterline Offsets and select the file HULL FRM Click OK Switch to the isometric view FROM FWD STBD UP 3 Select Offsets gt Construct Print Offsets select the file WATER LOC and click OK Click No when asked to edit the locations The table of offsets is previewed for printing Tutorial El PrintOffsets D Projects2005 SC2005Demo ShipCAM demo HULL E BX Two Page Toca ki Zoom Gut Close a FRAMELINE OFFSETS ON WATERPLAMES PROJECT demo DATE dm 11 05 04 TIME 11 58 UNITS METERS FILES HULL FRM Location FR FR FE 4 6400 a m hi tn 28 7 E ha in gt e mm Hoge PELE 737 3 3 m n en oh oo AD AD A G i il o WL 10 2500 ea nz pe Location WL_0 5000 WL 1 2500 WL_2 0000 WL_2 7500 WL_3 5000 WL_ 4 2500 WL_5 0000 WL_5 7500 WL_6 5000 WL 7 2500 WL_8 0000 WL_8 7500 WL_5 5000 WL_10 2500 Location 10 0 0000 0 0000 4 The table of offsets can now be printed or saved to an ASCII text file for use in a word processor Click Close 5 Select Offsets gt Open Offsets in Text Editor or click to open the table of offsets in an editor Notepad is the default editor but the editor can be changed in the options See PrintOffsets Module page 195 for details 84 Tutorial Congratulations You have completed the ShipCam tutorial We hope that you enjoyed your tour of just a few of the powerful capabilities of ShipCAM We appreciate your time and inte
42. a hardware lock Cutting Sections All planar sections are cut using the LoftSpace module These include Frame Lines Transverse Sections Waterlines Buttock Lines and Oblique Sections To cut a section 1 7 First we will unload all the data to start with our hull design surfaces Select Blocks gt Unload All or click x Click OK to unload the data Click No to All when asked to save the data Select Files gt Open ShipCAM File or click 5 and select the file DESIGNSURF GRP that contains all the design surfaces of the hull Set a viewpoint of 10 1 1 Select View Description FROM FWD PRT UP WPoint 10 1 1 Cancel For the next steps you can use the menu items on the Planar Sections menu or use the buttons on the toolbar Planar Sections ES Galy lll l Select Planar Sections gt Plane Parallel gt Frame Lines or click Y Select the file FRAMES LOC and click OK The FRAMES LOC location file contains the positions in the X direction of the frames to be cut A message box asks you if you want to edit the locations Click Yes LoftSpace 2 J Do you want to edit the locations The location editing window appears allowing you to edit the locations Do not change anything just click Save 8 9 FRAMES LOC 2 FR_ 005 3 FR_ 004 4 FR_ 003 5 FR_ 002 6 FR_001 7 FR_000 g FR_002 FR_003 FR 004 12 FR_005 13 FR_006 4 FR_007 15 FR _008 FR_009 len nin
43. below The frame curvature shows large unfairness now because we changed the longitudinal spline 20 Tutorial LinesFairing D Projects2005 SC2005Demo ShipCAM demo AFT LGO ME Illl lt l gt S13 AE ATA AA A A AA TO PT ES EEES Control vertes ja lal E Kl ler z n ON El pe F z 27700 E E j af 2 3991 El z E Step 0 1000 m Fe E E Tie A PAY nee 2 T K A RO O T ae i i a ae HEHP AHH a i a Biba aE ata M E a Je gt For Help press F1 0 0000 3 7508 11 0754 We can also show the unfairness on waterlines Select View gt Split Window to create multiple views Remove the vertical divider by dragging it all the way to one side This creates just two views Make the top view Profile view Make the bottom view Plan view The display should look similar to the one below Select References gt Waterlines gt Display or click Z and select the file WATER LOC Click No in the next window The waterlines are displayed Use the Previous cut section and Next cut section buttons tall to step through the waterlines until the one nearest to the active control vertex is highlighted 21 Tutorial LinesF airing D Projects2005 C7005Demo ShipCAMidemo AFT LGO PE Miter Oa af te PN T tal Si S ele olla AE z lilas KOREI AR la Adi lel ales hal En t E
44. by the receiving party from a third party not under an Obligation of confidence to the disclosing party c was in the receiving party s possession in the same and material form prior to its receipt from the disclosing party and did not otherwise originate from the disclosing party or d is required to be disclosed by operation of law 22 Audit Rights Upon reasonable notice by SSI which shall be delivered on no more than an annual basis Licensee shall provide a signed statement verifying its compliance with the terms of this Agreement SSI shall also have the right upon reasonable notice and no more than on an annual basis to inspect Licensee s facilities to verify Licensee s compliance with such terms Any such inspection or audit shall be conducted either by SSI or by representatives authorized by SSI to complete the inspection If such inspections or audits disclose that the Licensee has installed accessed or permitted access to the Licensed Materials in a manner that is not permitted under this Agreement then Licensee shall be liable to pay for any unpaid license fees as well as the reasonable costs of the audit 23 Termination This Agreement may be terminated by either party immediately by written notice if the other party commits a breach of any material provision of this Agreement including a failure to make payment when due and fails to correct or rectify such breach within 30 days of receipt of the notice requesting it to d
45. difficult and many lofting programs cannot handle these at all ShipCAM can expand them easily and can now also expand using fashion forming templates 1 Choose File gt References gt Remove to remove the current references 2 Choose File gt References gt Open and select the file U14 OUT These are the outlines of all plates in unit 15 3 Choose File gt Open Surface or click and select the file U14UNO3 MSH Click OK One of the compound curvature plates of the bulbous bow symmetrical about the centerline appears This is the one on top of the bulb Generate Templates to Bow Fashion Tutorial settings General Stock Templates DXF Layers 4 Show in original mesh view On other side of plate E Type None Standard on frames Bow Fashion Options m Edge Margin 5 Click Options The Bow Fashion Template settings appear Verify the following values and click OK Offset Stem Template Height 0 3000 m cm 6 Select Build gt Expand Surface or click is to expand the plate 7 Activate the upper right window Click to display the forming templates Select Plan View The 2D forming templates appear 8 To see how the forming templates are positioned in 3D activate the upper left window and click to show the 3D surface Try different 3D viewpoints and zooms 9 The upper right window shows the fashion template across the bow plate plus two longitudinal templates running a
46. eee A NN 123 Merec SUM a COS ocios 124 DECK SUAE a E tlt O O o cea ae CIO PRE PO IN aaa oleae ochre 125 HOW to Create a Sideline DECK ni adan 126 HOW to Create a Centerline Decana da 127 ON Set SU Ctra iaa 128 O EE ANAT TONN nt data ANE A IN naa AAT A A 128 Contents Contents Planar Seco Sia 129 Plane Parallel Sections gt Frames Waterlines BUtCOCKS cccccccsscsscsscssscscsrscerscsusseeserssrsceusceeserscusceuseesserssensensennys 130 obligue TWO PO MiS ua naaa alardes AEO 132 obligue gt Three PONS maria 132 opidi gt OME SE ANG Oran iia 132 ES A O ad nv EAEAN cat ian told adn OEREO AONE 132 SNOW RO CU INES unan aia 132 elo y A Q qX K K K ERAN 133 LinesFairing Program 134 Mathematical Background 135 Fe MENU saiicta E E E 135 O 135 A O 135 OP o UE O O ROO O o RN 135 AA e E wel ON O EN PO II II epee alse 135 Make Line Of Sets imuna E A A A E E A AA 136 VEW MENG deca 137 Vertex WINGOW ais 137 VEW CO OS aiii iii 139 View gt Control Vertex Move Direction anat tad elect ah odeb dahlia 140 Rererences Ment CO OP A 140 e E A POR O ETE 140 CVC POP AT 140 EIE S ENEE RR S T 140 REMOVE R ere ENC CS iia iia 140 E A 141 Waterline S stan e 141 EEOC KI SS menta aiii iii 141 A A idee A 141 Remove SUN nana 144 Recalculate S eCUONS sasn a A E seen Na Sea da 144 PINSE IOMA naaa 144 Move to Nearest Control Ve aaa 144 BARA O A A kee nee eae eed ahead dd ca nance neath 144 YS ONE Control Mata eee 144 Red IStAibUte EVE Minas 1
47. frames from the display select Waterlines gt Remove Buttock lines Cuts buttock lines through the approximation surface using the current surface setup settings To remove the frames from the display select Buttock lines gt Remove Surface Setup A surface can be generated from the fairing splines While fairing individual splines it is important to be able to judge the shape and fairness of the resulting surface All cut sections are based on the surface The fairing module supports six types of approximation surfaces Vertices gt Spline This value is present on all tabs This controls how smooth the surface polygon will be in the direction of the splines Number of Spline vertices between control vertices This number controls how many vertices will be calculated between each two control vertices Consider a spline that is controlled by 11 vertices If you specify 10 spline vertices for each interval then you will have 101 vertices on this spline Note Make sure that the spline with the least number of control vertices creates the minimum number of vertices you want each spline to have If for example the spline with the least vertices has 11 vertices and you want 200 vertices per spline then you should specify at least 20 vertices between control vertices Surface Setup gt Longitudinals The sections are calculated cutting the longitudinals only This is the simplest and fastest way to create a surface Use this only if y
48. hard chine hull might intersect on the keel plate the bottom plate and the side plate You want to connect the individual sections of each frame to one single polyline Minute deviations may exist at the plate edges causing small gaps in the polyline sections For this reason a connection tolerance for the sections cut at the same location on two joint surfaces has to be specified Chord Tol Thinning Removes vertices below the chord tolerance using the same method described in Remove vertices below tolerance under Lines Menu page 113 It is only necessary to have closely spaced vertices on the sections in areas of high curvature Straight or almost straight sections can have much wider spaced vertices Using a tolerance of about 0 5 mm or 1 32 inch in general reduces the DXF file size by about 80 percent compared to using all vertices This will increase all CAD drafting operations dramatically and also keep the NC code file size smaller NC code file size can be a critical factor especially with older controllers Remove Vertices Removes vertices that are closer together than specified Use this option to avoid problems during NC cutting Most NC controllers will have problems when vertices are too close together LinesFairing Program LinesF airing D Projects7005 SC7005Demo ShipCAMidemo HULL STO File View References Help SE Sl ale Balliol olaa ele Yl AIS AAA ieli lt I gt EL All alel o Lee ester Pa e141 1 a
49. i Ha i int He ai Wa Hf HH a a NH e ar UU eo Haters it RAVER Ht Pre a An Hg HN MORIA ALIADA INRIA HEHE AH nn a nd Hemi aT Ha fut nai rt NINI tee EH nn NNT nn FEAT AO LE FHH p IF Hart FHH OTE ii at gi it oS Hutt ITNT aT aE WAAR Bs AA rie a dea 1 Mh h ia na tian e PEA ni itd IPA T HC Tn A TRE sii i ae rd e Hi Hy Hi HH A ni WW it Hh al AN li Hy Il ilk ite Objects 6 Min 4 6201 000 026 Mex 310799 O 7 5022 11 2000 i Gi For Help press F1 113 7508 0 0000 14 1190 5KEG DEV Ln 86 86 Vv Zoom x 2 559 Im 3 Select Tools gt Intersect Surfaces Hold down the Shift key and pick both visible surfaces by clicking on them or dragging a window from right to left Press Enter 4 The following window appears Select Intersection Type Both and click OK Intersect Surface Options Intersection Tyoe C Lines of AFT through SKEG E Lines of SKEG through AFT 39 Tutorial tes to INU that can take a few m t dded as SKEG AFT SIN to the Blocks window IS IS a The intersection of the two surfaces is calculated Thi 5 ime consuming process ion is a Select different viewpoints to view the intersection line You should be able to get a v complete The intersect the Vpoint boxes The color was changed by left clicking on the color for AFT MSH Left clicking on any of the assigned colors will bring up the Color window for the color of the block that you clicked on
50. ona nai 194 TOUDIESNOO NN dineraria ira 194 PrintOffsets Module 195 a A AA A 195 A A a nc etna nee et cee noe earn ena ea a 196 Open BUTTOCK Neus 196 Open WaterliNeS O 196 open Longitudinal Nena narrada lada 196 Frame LINES FOr WaterlIne Ol SELES unas 196 Free LINES FOF BULLOCK HAE OM SES vomitando iii iii alioli 196 Open Frame KNUCKIES assis naana na Aa aN AANA a aA OA 196 Open Design OSE leina a AA A 196 Save ON seis 196 ON SeS Merida 196 Cons MUC ORS SU Tic Seen T dad 196 Open Offsets IN Teclado 197 Ss e AAAA 198 HOWTO ie A accented E eect enim eda cea 198 Appendix 199 FN CONVENIOS os 199 FO Cee Ie ONO 200 SOME HO OMAN 201 Er NA 201 Omer HlS Forma 201 Vill Contents Ni ctas 201 Index 203 Introduction Introduction ShipCAM provides program modules for fairing and lofting for the construction of ship hulls ShipCAM puts a 3D mold loft on your desk Join the large number of loftsmen structural designers and naval architects worldwide who improve efficiency and product quality using ShipCAM Naval architects can now offer a full lofting service to the shipbuilder ShipCAM is easy to use and can be learned in about five days of training ShipCAM gives the shipbuilder very sophisticated tools to perform many tasks Enter the table of offsets or import data from ship design programs like Fastship MultiSurf Napa Rhino and Autoship Fair the ship hull to a given lines plan Create a 3D surface model using developabl
51. saved The flag is shown in the tanle below on U11P00 MSH which has had its plate stock Stk changed to PL10 since the last time it was saved Name PI gt gt Color On Xin Desc Stk ThowfL R B T AE 011P00 M5H PLIU Down UW11P02 MSH FPL12 Down U11PF03 M SH PLE Down PLI2 Down FL1z2 Port PLZ Fort PL12 Fort FL12 Port PLZ Port HH EH 111P04 M45H LM1P05 M3H U11FP0E MSH U11PF07 MSH U11P08 MSH 1M11P039 M5H A HH EES EGS HE EE EE e900 00000 Sera eto te tens SPo000 000 a Context Menu The Blocks window has a context menu that appears when you right click on a block name The menu gives you access to the most commonly used functions 98 Name 111P 111P1 U11PI 171P L111P1 1111PI LVF U11P1 File Menu File Open ShipCAM File Import DXF File Import IDF File Import IGES File Group Visible Blocks Save All Save Visible As Save Compressed Export DXF File Export IDF File Export GHS File Preferences Project Print Print Preview Print Setup Exit Save Save AS Unload Transpose Mirror Half Breadth Reverse Vertices Reverse Lines Mesh Equal Duplicate Outline Plate Stock Settings Ctrl O Ctrl S Ctrl P s Sections 4s Mesh t gt Open ShipCAM File EE E CERERE 14x 32 lx 32 ele se Tix 32 20 x 32 Peo 15x 32 eu koe 20 s 32
52. the bottom of each pin Only for display purposes Initial Pin Height The height of the pins before the heights are calculated Only for display purposes Normal Line Length The length of the normal lines shown where the pin contacts the plate when the Pin ig is made Only for display purposes Min Pin Height Shifts the plates vertically so that the minimum Z value of the plates is at a specified height This ensures that the shortest pin will not be shorter than the specified value Shift Plates X and Y to 0 0 Shifts the plates horizontally so that the minimum X value and the minimum Y value of the plates will be zero Pin Layout Tab Lets you create or modify the pin grid layout General Pin Layout V Generate Pin Layout Number of columns of pins 4 Y spacing 1 0000 m i 4 i Number of rows of pins x x 14 x x x Y offset 0 0000 m 3 x Offset x spacing lo 0000 1 0000 m Cancel Help Generate Pin Layout Check this option to generate a regular pin grid as specified by the values Keep this option un checked if you loaded a previously save pin array file or if you have created pins on seams Number of Columns of pins The number of columns available on your Pin ig Number of Rows of pins The number of rows available on your Pin ig PinJig Module X spacing The distance in longitudinal direction between the columns X offset The distance in longitudinal direction that the first pin is fro
53. the visible LoftSpace data files to the hydrostatic GF format The data has to consist of sections frames This procedure must be done after creating a 3D surface model of the hull To export files to GHS 1 Load all the hull surfaces 2 Cut transverse sections with sufficient density to maintain hull definition The distance between sections should be less than 1 20 of the length of the hull with closer spacing at positions where the hull changes shape dramatically Save the transverse sections and remove all other data that was loaded using the Blocks window bar With only transverse sections loaded select Export GHS File from the File menu The GHS Export Options window appears GHS Export Options we i Salt a Cancel CC Fresh Tolerance 0 0 Mote 5 Select the water type intended for the vessel and click OK 6 The standard file Save As window appears Type the name of the GF file to export and click Save 7 For each block of sections a component name is required Component Name Filename if U11F00 MSH Enter a component name UTI POO MSH OK Lancel 106 LoftSpace Program The GF file can now be loaded into BHS or GHS for hydrostatic calculations Preferences 1 Select File gt Preferences to set the preferences The Preferences window appears Preferences Selection Cursor Size mall large pa eee ea Cancel i Display objects using non uniform colors Wo Show Mesh cross line
54. to ARL DEVSERVER Lock expiry date Unlimited D ays left Nad 3 Click License Server Settings to change the server to connect to The Network License Settings window appears Network License Settings TEP IP Address or Domain Computer Licenseserver Her Local Computer Delete Move Up Move Dowr Pott 3960 4 Change lt Local Computer gt to Server where Server is the name or IP address of your network license server computer You can change the name in the list by double clicking the name Local Computer is actually IP address 127 0 0 1 Do not change the port setting unless instructed to If you remove all computers from the list lt Local Computer gt is added automatically Click OK to return to the About ShipCAM window Click Acquire to get a license Common Licensing Problems License Manager xl Error Could not connect to any license server in list 91 Reference Section This indicates that the LicenseServer Service is not running on the computer you are trying to connect to or that the computer does not exist Create a Modified Project The Create Modified Project function lets you create a project from an existing project with the capability to scale and move the geometry data The Create Modified Project function is only available from the LoftSpace module Use this function to scale an existing design convert the units of measure or move the origin Example Convert a vessel with Ameri
55. unfair We will now gradually correct this unfairness We previously moved the control vertex on the longitudinal spline down by 0 2 meters We will now move it up in small steps to get a feeling for fairing in two views Zoom in using the zoom button Make sure both buttons are in the pressed state i 25 Tutorial LinesF airing D Projects2005 C7005Demo ShipCAMidemo AFT LGO File View References Help slul 91 el wie allie Cf a a dl ele paa lvl Del STS AA Sal Adel ler E foral 1 lxlesleeles E AN EOS 3 mm i SS iene Fairing Spline Roe ps 0 ieee eo g e 4 2221 Control Vertex E g E30 A se E 27700 z Y 2 3991 ag Ze Step 0 1000 m H LL i Tint 0000 2 7124 m 6 Make sure Profile view is active Click on the down arrow button next to the Step value to reduce the step to 0 01 meters Fairing Spline 4 od Control vertes a w 6 3609 se 2 7700 Es z 2 3991 Step 0 0100 m E 7 Now shift the control vertex up using the Shift Up Arrow Key method or by pressing the up arrow button next to the Z value box a few times Press Enter to recalculate the spline and then click the Recalculate Sections button E The unfairness in the waterline should become less 26 Tutorial 8 Repeat the step above until you have achieved a smoo
56. value by which a control vertex will be moved every time the Shift Arrow keys are pressed Track Control Vertex E Ensures that the currently active control vertex is always in the center of all views Switch this option off when you do not want to center the active control vertex Synchronize Scale EE Ensures that the scale between all views is the same Keyboard Shortcuts Shortcut Key Function StringerCutouts Program Page Up Select the next line for fairing Page Down Select the previous line for fairing Home Make the first control vertex on the line the active control vertex End Make the last control vertex on the line the active control vertex Delete Delete the active control vertex Insert Insert a new control vertex after the current control vertex Enter Recalculate spline Increase step Decrease step Ctrl B Set active control vertex to be a breakpoint Ctrl N Move active control vertex to nearest offset vertex Ctrl Z Zoom by a selected factor Shift Down Move active control vertex down by the step distance Shift Up Move active control vertex up by the step distance Shift Left Move active control vertex left by the step distance Shift Right Move active control vertex right by the step distance F6 Decrease the scale of the porcupine curvature F7 Increase the scale of the porcupine curvature Ctrl F6 Decrease the scale of the porcupine curvature of cut sections Ctrl F7 Increase the scale of the porcupine cur
57. 0 C center of gravity 72 centerline deck 127 Color 98 107 colors 12 compress 104 cutouts export frame 58 insert 51 53 158 keelson 58 references 157 cutouts menu StringerCutouts 157 cutting sections 48 D deck options window 126 design 105 110 11 Developable 110 DXF export 158 export in LoftSpace 105 export options window 105 export PinJig 193 import in LoftSpace 101 text size 188 text style 181 DXF 3 48 53 59 69 71 88 DXF 112 DXF 123 DXF 151 Index DXF export menu 182 E expand surface menu 176 expanding plate bow thruster intersection 68 expanding plates 59 extend 115 F fairing 3 longitudinal 17 station 13 fairness 16 fashion plate 66 file conventions 199 file menu InverseBend 185 LinesFairing 135 Pinjig 191 PlateExpand 161 PrintOffsets 196 ShellExpand 179 StringerCutouts 152 fillet 45 128 flatten 145 frame lofting 48 frame marks 51 G geometry file format 201 GHS export LoftSpace 106 girth 155 156 proportional 156 girth menu StringerCutouts 155 group files 27 group visible blocks 104 H hull design program 3 IDF 203 Index 204 export LoftSpace 105 import in LoftSpace 102 IGES import in LoftSpace 103 IGES 3 IGES2MSH 103 INI file format 201 inverse bend menu 187 inverse bending 76 create frames 76 189 create stringers 78 InverseBend 76 78 184 K keelson 57 cutout 58 keyboard shortcuts 119 149 knuckles 15 L licensing 89 commo
58. 0 20 30 and so on Text Size This is the text size in DXF output units for all marking text such a frame names Strain Auto Save The function adds the strain coloring to the DXF file if the strain in the expanded plate exceeds the set value Use this option if you want to plot colored output for complex plates to aid the forming process Lofting Offsets This function adds lofting offset to the DXF drawing file for manually laying out the plate Use this function when you are not NC processing the plates but manually laying out the shape for cutting and marking 173 PlateExpand Program 174 El AutoCAD 2002 C Projects200415C2004Demo1ShipCAMW1 2P034 DXF EP Fie Edit view Insert Format Tools Draw Dimension Modify Image Window Help Dee Sk Bas gt BOSSSE LU BeKtCeRQhe 2 BS PESES u E x e m ByLayer Y ByLayer y ByLayer y y ON AS N HHJ ORUL GOJLA gt Bouco E0b e Lofting Offsets gt Save Check this option to add lofting offsets to the DXF drawings file e Lofting Offsets gt Grid Spacing This is the distance between the grid lines Anytime a plate edge or a marking crosses a grid line an offset location will be added as text to the drawing Templates Options for the forming templates Templates gt Save If checked templates will be added to the DXF drawing file Each template ha
59. 00 0000 O F 0000 0 F 0 For Help press F1 12 Check the 3D geometry in different views to confirm that it is correct You can also split the window into two or four VIEWS ing detaili Ina d fi lon an dy for export via DXF to your CAD system for annotat ION IS NOW rea 13 The shell expans 71 Tutorial Weights and Center of Gravity This function calculates the weights and centre of gravity CG of hull plating The results show the area weight and CGs for each individual plate and for all plates combined Note In order for this module to function you have to link LoftSpace to a ShipConstructor database We will do this in the steps below To calculate the weights and centers of gravity 1 Start the LoftSpace program or switch to it if it is already running 2 If you already have data loaded select Blocks gt Unload All Data or click A Click OK to unload the data Click No if asked to save data 3 Select File gt Open ShipCAM File select the file U12 GRP and click OK This file contains nine plates for unit 12 LoftSpace D Projects2005 SC 005Demo ShipCAM demo U12 GRP File View Blocks Lines Vertices Tools Planar Sections Help al ala el el lali Yl Ale 019 29 El M Peel e lal eel sel 65 Sola eclelsi al el xil lt del el dl AN WT Ny INN l l i U12F00 MSH Be E 13 32 U12P02 MSH O ov HB 15 32 U12P03 MSH O HB 18 32 112P04 MSH 7 E 15 32 U12F05 MSH G
60. 00 0 0000 0 0000 0 0001 0 0000 0 0003 0 0003 0 0000 0 000S 0 0011 0 0000 0 0003 0 0049 0 0004 0 0004 0 0034 0 0000 0 000 0 0039 0 0010 0 0000 0 0044 0 0094 0 0043 0 0003 0 0007 0 0004 LinesFairing Program Splines visibility control window Use this window to view and hide individual fairing splines Offset Differences Displays the distances of the control fairing spline to the offset vertices The offset nearest the currently active control vertex is highlighted View gt Colors Spline Lines Active Spline Line Control vertices Offset Vertices Curent Werte Cancel Break point Vertes Porcupine Curvature Porcupine of Cut Sect Estimate Surface Cut Sections References B mi ee ie lle Je Pe eee cc G Displays the color control window Use this window to customize the color and visibility of the many individual items LinesFairing can display 139 LinesFairing Program View gt Control Vertex Move Direction Move Direction for User Defined View Horizontal Wertical ex ry gt Cancel e Displays a window that lets you set the directions in which holding down the Shift key and cursor key presses will move the control vertex when working in a 3D view For example you might be fairing in a view that is almost a body view but for some reason you like to view the bottom of the vessel from slightly underneath While in this view choose View gt Control Vertex Move Direction and cl
61. 0000 0 0000 Display Mesh Cross Lines ON 168 PlateExpand Program Ek File View Mesh Build Borders Help Sj 8 ol X lalo Ael Aeee eaae elas UU 3D Min 86 3500 0 4500 2 5000 Exp Min 0 0000 0 0000 Plate Stock Min Strain O 0313 O 3D Max 90 1826 1 6414 4 0000 Exp Max 5 9625 1 7140 Throw Starboard Max Strain 0 0097 Primary mesh lines in longitudinal direction 169 PlateExpand Program SE File View Mesh Build Borders Help S a el Al Rede AIS AAA S Aa Oli ele 3D Min 86 3500 0 4500 2 5000 Exp Min 0 0000 0 0000 Plate Stack Min Strain 0 0313 2D Max 90 1926 1 6414 4 0000 Exp Max 5 9625 1 7140 Throw Starboard Max Strain 0 0097 For Help press F1 0 0000 0 0000 0 0000 Primary mesh lines in transverse direction Open as Bow Fashion This option requires that the mesh lines are running in longitudinal direction Upon opening a buttock line is cut down the center and a new distribution of vertices is calculated using surface normals This ensures an expansion specifically required by our Japanese customers Offset to Neutral Axis Offsets the surface mesh to the neutral axis before expanding the mesh This requires that PlateExpand is logged into a ShipConstructor database in order to look up plate stock information Rotate Expansion to Smallest Rectangle Rotates the plate to the smallest rectangle This function simplifies the nesting proces
62. 005 5C2005Demo ShipCAM demo HULL STO File View References Help Ilall lt l gt ETS KIR e x 541x154 Fairing Spline a l TRANSOM Control Vertex fi se 4 2538 y o s000 gt 5 7270 Step 0 1000 m Fairing Spline TRANSOM STN_O STN_1 STN_2 STN_3 STNA STN_5 STN_E STN_BS E Z gl Fee ae ET y a T E O TIT e e y a aj A HE aidin t 2G A rokie ell me E Try some other viewpoints using the Set Viewpoint function Multiple Views ShipCAM supports up to four views allowing you to view the same geometry in different views or zooms To select multiple views l 0 0000 3 7699 11 5607 m Select View gt Split Window The cursor will move to the center of the display and let you choose the position where you want to split the window Select the center of the display The display is updated and four views appear Tutorial LinesFairing D Projects200515 C2005Demo 5hipCAMidemo HULL STO File View References Help Sal Sil el WE jolla OE wile lel 0190199 KOCHIN Adel eo ed er uE axla olx Je oe Fairing Spline TRANSOM Control Vertes fi se 4 2538 v 0 8000 z 5 7270 Shep 0 1000 m TRANSOM STM_O STM_1 STN_2 STH_3 5TN_4 STH_S 5TN_E STN_E5 ye 7 0 0050 0 0020 0 0000 0 0000 0 0001 0 0000 0 0003 0 0000 0 0017 0 0000 0 0045 0 0004 0 0034 0 0000 Lan B a F o a T ma S la O e AA oa
63. 44 Space USING Oca mon lanar iaa ies 145 A A A IN A A 145 Flatten ENE ie cst NN 145 DAS Ni a aires 146 EEN SA STN ada did 146 Move ei 146 SNIS TOOD I aaa 146 Previous LINE AAA AAA TA ENE 146 NOKTO AEAT A E 147 FOS 2 I O A e E E E 147 Contents INGXEV GION COOP OOO POU 0 nn A 147 Display Splie POTEUDIN Es inindasiriadit datada 147 Display SectHon Porc UM 147 Decrease Porcupine Scale siria 147 heras PorcUpe Cale mcr ile tatoo ae ne eat 147 PFEVIOUS SECOM Aaa 147 NEXE SECTION main 147 POF UDINE AS CUI aI tail 148 PION CU PUIG aS da 148 eS o sats iach ata O ea ie O usa teh ase fl 148 Decrease SUD iia 148 Erea cline 0 PE CPREP ee mttaer eit mt ee eter retreats ne en ee eee ene en eee ene ee ene eee eee 148 Track Control Veteranos adan 148 Sl E UPA E o o Eo E o etna aaaa 148 VO E IO MCU Patata aaa 149 StringerCutouts Program 149 HSM 152 A O RT EAT E TE ater een ene Te 152 Open References cass sdaser sada attra catia alta alt acute alada aliadas 152 Save CUCOUE M AIK S yrs se teats terete aaron adas o 153 Save Stinger SUIT aS SS aca 153 Save Plate Ma Kona aia A uacainia mata can ERA 154 Open CUtrCUEM a Sunderland 154 ODE Frames WIA CUTOUTS iaa aaa 154 AR WIO CUTOUTS aiae aaa AASEN ONENEAN ONOONO E 154 MarK ODIO Saa 154 A ks aU rere TUNE TT TRICE TEM E TNT ENT eT enTr tren MT enre tenet Tet rt ett 155 Constant Hall Br O Mirna 155 OS ESAT FAS IO sonia nani 155 Ted Plane TWOPOM Sisi dada AIAN AOTAN 155 THEO Pla Me g
64. 5003 10 8000 0 0000 0 0000 0 0000 AFT MSH Ln 58 58 Vx 400 Zoomx 1 000 m 15 You can also experiment with oblique planes Producing Frame Marks and Inserting Cutouts This is a two step process that uses the StringerCutouts module First marks are generated where the stringers intersect with the frames Second the cutout Is inserted at those intersections using the marks for location rotation and scaling For the following examples we will insert cutouts of three different types with the following sizes and settings e Bottom stringers are L shapes measure 150 mm by 90 mm and are perpendicular to the hull e Side stringers are L shapes measure 120 mm by 70 mm with flange horizontal in body view e Mouse holes for a keelson plate of 11 mm thickness are 15 mm high and vertical up Marking the Bottom Stringers We mark on the bottom stringers by projecting a set of layout lines in the plan view onto the frames The layout lines can be made in ShipCAM or drawn in 2D in AutoCAD To mark stringers 1 Start the StringerCutouts module by clicking on the Start menu and select ShipConstructor2009 gt ShipCAM StringerCutouts 51 Tutorial StringerCutouts D Projects7005 SC7005Demo ShipCAM demo U12 FRM File View Plane Girth Projection Cutouts Help S S TE 1G li E Yl Zl Ol 9122 For Help press F1 0 0000 5 1072 6 0928 Select File gt Open Frames or click and select the file U12 FRM Click O
65. Aa 176 SHOW Expanded Plate rana aia roaaas 176 e A AP O CP PT O II A O 176 SHOW DETONATION Tania aaa 176 SROW Tal Mara ep BeBe uD i Di a gap ae niga ncRNA 176 SN AAPP RA 176 Decrease Strain a O 176 Increase tral Calacoto ii 176 SNOW tral Cl ass ean ont ce eso es aco pots pnp iia 176 Creaing a Plate Expansion Drawing scssssssssssrssrssrssrssrssrssrssrssrssrssrssrsersersersersorsrsrsrsersorsersersensersensenss 177 TOUDE NOOU dinar ttre rrr Trt rrr tire rt rrr tert ert ert tr 177 ShellExpand Program 178 AP c eevee aed acct cae a ac ea 179 Open SIS US Una Caine nina attr kl idle eee leafed oe ce ac cada ele AE 179 Frame Eme Loca nara A A iento ii 179 Well o A RO OOO eicehinaiuitesinasn aidan EE E EERE aE aa E 179 BULLOCK MELON sess eto eave cis to igo awh ill sil TET 179 Profile Projection LINES unan cana A A waa vents A cinacans 179 PanNFPTOecIoOn GNE S onnaa AAAA AATA AAAA 179 yi BOGY Pro eco Spread A REA A O E Renetra ton SUITACE coda ALA YU Me ANN NONN A A center TEIAS ethno ETT EENEN ENEE aries Bula Melia OPIO Sara EXD aI S UM ACC aes castane ruts n oe EEEE EEEE SROW OLIN altares SNOW ENING E iaa das DAF EXPO Men said Save Expanded Plate natillas Steps to Create a Shell Expansion Drawing TOUDI NOON a InverseBend Program HS Me enin na E A E EEE E N Open Frame Seesen leebeiebiaheusiharticesbausiuetustesesawiecsss open Mark LINES ooann ara ee lili Open SANO d enai an A EOE A AA Open Stinger End LOCATIONS ramal
66. C 3 D Model Cancel r Output DXF Text Size 150 0 mm Export to e 2 D Production Straight Saves the straight stiffeners with the bend offsets for production e 3 D Model Saves the frames or longitudinals in 3D with all the marking generated Snap Planar Using floating point conversion may result in values that are slightly off from the desired values For example a frame might be located at 32000 mm but converting results in a value of 29999 97 mm This could cause InverseBend Program problem during the detailing process as the CAD system will not consider two items in the same plane if one is at 30000 mm and the other at 29999 97 mm Snapping to the nearest whole value eliminates this problem Output DXF Text Size The size of the text placed on the inverse bending profiles to mark the offsets Make Inverse Bend Calculates the inverse bending curves and all markings and displays them in the Straight Frames or Stringers view Steps to Create Inverse Bending Frames Note See Inverse Bending page 76 for an example on how to run InverseBend The following procedure shows how to generate inverse bending curve frames l Select Files gt Open Frames and select a file containing exactly the frames to be inverse bent Typically these are generated from the planar sections function in the LoftSpace module All frames have to be made up from the same profile Use LoftSpace to generate separate frame files for each pro
67. E 15 32 U12P06 MSH 7 E 20 32 U12P07 MSH 7 E 15 32 PAL ANE HAI Airey 11 2P08 M5H H 15 32 11 2P09 M5H H 12 32 EEIT NCAA N ooo co oo oO 0 coo co co co oo O 00005050505 THT t teti teti Wen l A AA A HHI PAAA a ty y PEFFER Ee Ehh ae ETA HeLa an CAER pe L A IN LLERA ERES FERRERA ERE ERRE PA E AED AAIAAA AAA AAA LLO poet OA Ly lt Objects 9 Min 69 4100 0 7000 OO000 Mas 7535000 71768 74000 For Help press F1 10 0000 3 1706 5 8984 z Zoom x 1 000 m 4 Make sure you are in a body view Also ensure that the Blocks window is up Click AS to bring it up For each plate you will find columns for stock Stk Throw and any extra material on the left L right R bottom B and top T edges The window currently shows that none of these values have been set yet 72 Tutorial ES Name B Color On x Dese Stk The LPR BIT MTPO MSH 1932 PLIZ Down O 0 0250 0 U12P02 MSH 15 32 PLIZ Down 0 0 0250 E U12P03 MSH 18x32 PLI2 Down 0 0 0250 15 32 PLIZ Down O 0 0250 15x32 PLIZ Pot O 0 0250 20432 PLIO Pot O 0 0250 15x32 PLIO Pot O 0 0250 15x32 PLIO Pot O 0 0250 12432 PLIO Pot O 0 0250 mj o doi Mi On DO Cc o a U12P04 MSH W U1 2P05 MSH W 1172P06 M5H W 1112P07 MSH W 1112P08 M5H U12P09 M5H a SS E E HH HE EES EES EE EE EES ES EEE CA OOOO O Oo S a CA OOOO O O AA CO Oo LO OO OOO OQ aa a A ad Ll j m 5 Select Bloc
68. ESES didas 110 QUIMERA AA c 111 REMOVE Veriices BELOW TOI Ral C rara ADA DA betas i NAAA 111 EXCH NOS COOMA ate Sisi 111 SIT OLIN Fe ANS aioe cities ice acral II ashe ei cereal atid eel a iad abil evinced tebe 112 Connect ONES ainra uc caren ae a onc gunn vac agen ia aO wade ea A aden ean aie nga wna weed ea A nae A A aan 112 Plate Stock EUNIS tarada Danone en einai eal antian ean ie 112 NES Me Uan 113 SELL OPA CO Oc O ERROR AN 114 A altel ened ein else da eee lt AANA AAE A alee Pascale deal AA 114 NN 114 REVES VE NICO nia AN 114 A O O O A A 114 AA ale TO OOO a eld ral aa ahve O adda ital 114 A naceas ia nec caeeenacaicat vac saaien E nad ween E E O E E oad vou EEO EE ENE E O nro aa a ada O E 114 A RA 115 A A NI A O FEA ETE FAAA TN AAAS A POTA ena asi 115 Extend By AMOUNT sad yuan AN ONANAN EN ENN utd inte EE E A AO N 115 Extenda OS 115 Reverse VUE Sioen E E O E aio clica 116 TANO E a a E EEA lel eeepc alc A E A neal eee 116 REMOVE VETUCES Below TOLERANCE sumisira NEAN eu ANE AEE ATEEN aerate 116 I SIG SATO E E E E E E EEEE add aaa 116 O CO AA A A 116 DEILTE aaa N 116 A e o OOO PEO PO EE T ET T EA 116 VETECK CONLEXE Mira cis 116 TOS Manara 117 OMSECE Oo 117 Sua te Genera ON aaa aaa 119 General Procedure for Generating a Surface ooccccccionacionacionacionanconancr manco non conan conan conan 120 CFOS SS IVS SUNA CE tail 120 AAA A hel lea lglg PEO POE RUI ATAA 121 Developable SUMA dd cuasi 122 StaldhtSectlon SUN ACE midis 122 o Mg
69. FRAMELINE UFFSEIS UN WATLEKPLANES PROJECT demo DATE d m y 18 07 08 TIME 12 82 UNITS METERS FILES frms FRH Location FR 106 FR 107 FR 108 FR 109 FR 116 69 9608 78 6208 71 2800 71 9400 72 6000 UL 6 5000 6 5008 7 0519 6 9678 6 8745 6 7715 6 6587 WL 7 2500 7 2500 7 1081 7 0314 6 9471 6 8548 6 7538 WL 8 0000 8 0090 e ula es so WL 8 7500 8 7508 paa pros CSS oun WL 9 5808 9 5008 oe oA aa eras oo WL 18 2586 10 2500 ia pase aa Options Opens the Print Offset Options window containing all the options for printing offsets Print Offset Options Offset Units Meters v Decimal Places 4 Cancel Characters per line 180 Column Width char 110 Frame Offset Layout Horizontal C Vertical Viewing Editor NOTEPAD EXE Decimal Places The number of decimal places of accuracy to output Only applies to decimal formats Characters per line The maximum number of characters on a line This determines the number of columns in the table of offsets Column Width The width of the offset table columns in characters Frame Offset Layout Determines how the table of offsets is laid out If Horizontal is chosen each column is a location Longitudinal lines only Viewing Editor The path to your editor for viewing the table of offsets amp Set Printer Font Sets the font that the table will be printed in Use a monospaced font like Courier so the columns are aligned properly How to Create Offse
70. GAP eo Group File 12301997 6 42 54 U12 GRP 108 Group File A 262002 6 20 1 File name designsurfs GRP Files of type Grouped Files grp z Mew Group Group Edit Cancel Station Splines Files sts Station Offset Files sto Frame Line Files frm Buttock Line Files btk Waterline Files vlh Surface Intersection Files ir Stinger Surface Files str Projection Files pry Oblique Plane Files ob Longitudinal Control Files lgc Station Control Files ste Frame Mark Files fmk Frame Knuckle Files fkn Surface Outline Files Grouped Files grp You will see a display similar to the one below Tutorial LoftSpace D Projects2005 5C7005Demo ShipCAM demo designsurfs GRP File View Blocks Lines Vertices Tools Planar Sections Help sal ala ela el cd ell 22919 ml M Ple ela al el al Sl Ola loll al el xls lt l del lel e Mame BY YE 10FLTBTM MSH 11AFT MSH 12BLG MSH 13FWD MSH 14FLTSID MSH 15FCSTL MSH 20 x 157 Objects 6 Min aea oo 00003 Me anes zaoa 10 8000 E Modify 5 8816 0 0000 16 4649 ae Zoom x 1 000 Im The Blocks Window Block refers to any type of file loaded in LoftSpace These can be surfaces sections such as frames stringer marks or plate seams and butts 1 Click on the Show Blocks button lea to display the Blocks window TOFLTETM MSH 10 x 635 118FT M5H fl 00 1 BLG MS5H 100 30 1aF 4 D MSH 36 400 14FLTSID MSH
71. Intersect Surface Options Intersection Type C Lines of U14BowThruster through 11141028 C Lines of U14U02B through U14BowThruster Cancel e Both 68 Tutorial Select No when asked to save the intersection Choose Build gt Expand Surface or click A to expand the plate Set the windows to display as shown below You can clearly see the expanded bow thruster intersection in the plate Using this option it is easy to generate correctly expanded holes in the formed plate Of course the holes would only be cut after forming the plate However the NC cutting machine will mark the holes correctly onto the plate File View Mesh Build Borders Help E S ol gt did Y ZIG Ol 2 2 gt alal el olel sie e A A LAR EWA AA d J ESA 3D Min 86 3500 0 4500 2 5000 Esp Mir 0 0000 0 0000 Plate Stock Min Strain O 4629 30 Max 90 1826 1 6414 4 0000 Esp Max 4 0528 1 5189 Throw Fort Max Strain 10 1464 For Help press F1 0 0804 279 2892 0 0000 Tip Expanding even complex shaped plates with intersections is easy and precise with ShipCAM The thruster surface was created using AutoCAD You can use these steps to make one yourself Export some plate outlines or other references from ShipCAM to AutoCAD in 3D to DXF using LoftSpace You will use these as visual guides for your own experiments Make sure that you know what units your ShipCAM project is in currently in meters and what unit you wan
72. K The frames for unit 12 appear Select Body view 4 Select File gt Mark Options or click EP Change the settings in the window so they match the ones below Click OK Options Stringer width 0 0900 m Stringer Angle Stinger Height 0 1500 m e a W Normal to surface On opposite side of frame lines Stretching i Toe Direction i Show anaes le imbaad Fran Frame FR_106 fa W Show Stringers C Outboard ToFrame FR 114 u W Show Marks Cancel 52 Tutorial 5 Select Projection gt Plan Projection and select the file STR_BTM PMK Click OK The stringer layout lines are projected onto the frames 2 StringerCutouts D Projects2005 5C2005Demo ShipCAMidemo U12 FRM File View Plane Girth Projection Cutouts Help S TA 8 RRR 0 ela PAP al For Help press Fi 0 0000 3 3098 1 4047 Inserting Cutouts for the Bottom Stringers In the next step we will insert the cutouts at the position of the marks The cutout has been designed in AutoCAD at nominal size and saved as a DXF file To insert cutouts 1 Choose Cutouts gt Open Cutout and select the file CUT15X9 DXF The nominal cutout appears at the origin Zoom in to the cutout Select Zoom All Pp 53 Tutorial StringerCutouts D Projects2005 5C7005Demo ShipCAMidemo U12 FRM File View Plane Girth Projection Cutouts Help S al FS AA Al ZIG AAA 0 0000 0 0099 0 3669 For Help press Fl 2 Select Cutouts gt Insert
73. M Frames lines GF Hull information for stability programs IDF IMSA data format LGB Longitudinal fairing breakpoints LGC Longitudinal fairing control points LGO Offsets for longitudinals LGS Faired high resolution longitudinal splines LOC Locations a one dimensional array of locations for intersection planes or girth lengths MSH Surface mesh OBQ Oblique planar sections OUT Outlines PMK Plate marks PRJ Projection lines SCP Project file STB Station breakpoints STC Station control points STO Station offsets STR Stringer surface STS Station Spline WLN Waterlines Project File The project file must exist in each project directory It has the extension SCP Note Never change the project file manually Always use the menu File gt Project gt Project Settings which bring up the Project Settings window 200 Appendix Project Settings Project Settings ShipConstructor Output Path D Projects200515C2005Demo ShipCAM Coordinate ie Word US Reversed CAD Units Lofting Units Output Tolerance 0 0001 m Cancel Geometry File Format ShipCAM geometry files hold the 3D information of polylines and surfaces Surfaces are represented by a number of polylines that have the same number of vertices each thus the vertices can be connected in longitudinal and transverse direction forming a surface mesh The mesh can be compared to a fishing net that covers your hull The file starts with an integer number
74. OUTSIDE cut color specified in ShipConstructor all marking in the MARKING color and all other information on the production layer should be in the NO PROCESS color 175 PlateExpand Program Expand Surface Menu 176 Expands the surface and all desired lines from 3D to 2D and displays the results Save DXF Expanded Plate Fl Save the expanded plate to a DXF file The following options are available Rotate Expanded Plate Angle Rotates the expanded plate by the specified degrees a positive angle rotates the plate counter clockwise Smallest Rectangle Rotates the plate so that it uses the smallest possible rectangle Show Original Mesh Shows the Original plate in the current view Show Expanded Plate Sl Shows the expanded plate if the plate has been expanded in the current view Show Forming Templates Lal Shows the forming templates in 3D in the current view Show Deformation Table l Shows the deformation table as explained earlier under DXF Export tab Output Tables Deformation Longitudinal Backset 0 0573 Minimum Length Difference 0 0004 Transverse Backset 0 0383 Maximum Length Difference 0 0020 Line 3D Length Exp Length d 6 0531 6 0550 0 0019 0 0309 6 0580 6 0592 0 0013 0 0206 6 0628 6 0635 0 0007 0 0115 6 0671 6 0673 0 0002 0 0040 6 0712 6 0711 0 0001 0 0010 6 0753 6 0750 0 0003 0 0049 6 0790 6 0786 0 0004 0 0068 6 0828 6 0824 0 0004 0 0067 6 0864 6 0861 0 0003 0 0052
75. Open the DXF file in you CAD system and detail the drawing 183 InverseBend Program Troubleshooting Problem Waterlines or buttock lines have small zigzags Solution This usually happens on hard chine vessels near the chine or when multiple sections have been connected to one transverse section for example on bulbous bow hulls there is a long connection between the upper side of the bulb and the lower side of the forpeak Only a manual fix is available for now The DXF drawing must be repaired in your CAD system Use the PEDIT gt EDIT VERTEX gt STRAIGHTEN function Problem Expansion shifts the bow portion to centerline for bulbous bow hull Solution The results are mathematically correct This can only be fixed manually from the results It is easy to stretch the points of the bow section to improve the results InverseBend Program InverseBend D Projects2005 5C7005Demo ShipCAMidemo U17IBND FRM File View Inverse Bend Help ol Sl Il Sl didas le Olplele ASS 184 E as debe ORE es E PA aana eee eee athe O O 0 O E n E ll ee DD E 0 0000 8 9095 789 295 m The InverseBend program converts frame traces and twisted stringers to straightened profiles with inverse bending curves offsets and any marks for waterlines buttocks frames and stringer intersections Inverse bending curves are used to form accurate frames or stringers from stock profile without expensive and time consuming forming templates Simpl
76. P02 MSH 3 U12P03 MSH 3 U12P04 MSH 3 U12P05 MSH U12P06 MSH 1112P07 MSH U12P08 MSH U12P09 MSH o o Down Down Down Down Starboard E B B B B B B B B 000000000 000000000 Lines Menu These functions are available from the Lines menu The most common functions are also available from the lines Context menu 113 LoftSpace Program 114 Select Create Delete Move Reverse Vertices Mirror Half Breadth Rotate Duplicate Name Connect Trim Extend gt gt Ey amount Thin Vertices To Line Remove vertices below tolerance Select Lets you pick lines then right click to bring up a menu of functions to perform on the selected lines Delete Removes selected lines from the block Move Moves selected lines by a specified amount Move By x Y Z 10 000 0 0000 0 0000 m eal Reverse Vertices Each line polyline consists of two or more vertices The first vertex is marked by a green cross and the last one by a red cross when the line is selected The vertex numbers increase from the green cross to the red cross This function reverses the order of the vertices Reverse Lines Reverses the order of lines of selected blocks For example if you have 11 stations from 0 to 10 use this function to reverse the order from 10 to 0 Mirror Half Breadth Mirrors the lines about the centerline You can keep the original lines or erase them with the next w
77. Pe S16 TSFCSTL MSH 0x 15 2 The Blocks window lists all files that are loaded To change the color of a block click on the color box An AutoCAD style window lets you change the color Select the color you want and click OK 29 Tutorial standard Colors gt Gray shades ae DETEN Full Color Palette CEE 1 Logical Colors lo rar 255 Red Green Blue For full details on the Blocks window see Blocks Window page 97 Here are some of the fields that are available e The light bulb Y indicates if a file is visible or not e The X Ln field indicates if the cross lines of a surface are visible Any mesh surface consists of many points ShipCAM can display the surface by connecting the points in just a direction or two e The Desc field shows the resolution of the surfaces or the number of lines for other file types e The Stk field can contain the plate stock assigned to a surface This is only possible if you use ShipCAM in conjunction with a ShipConstructor database that supplies the stock data e The Throw field indicates the throw direction from the molded line 3 IES on any one name in AE Block window and then right click Select Properties from the right click menu ave Save As Unload Transpose Mirror Half Breadth Reverse Vertices Reverse Lines Mesh Equal Duplicate Outline Plate Stock Settings Properties 4 The Su
78. S File Number of Control Vertices U 2 Number of Control Vertices Y 3 Data in ShipCAM Mesh File Minimum No of Vertices U 20 Minimum No of Yertices Y 20 Cancel LoftSpace Program Import IGES Files LoftSpace can read the IGES 128 entity which is a NURBS surface description using the IGES interface Enter the required minimum mesh density in the U and V columns for each surface NURBS Import Unit Conversion Name pasa From ES y Tug1302 MSH 5 tes To Mees MA Tug1303 PMK 1 TUJO PIK 7 PMK Bene ata Exchange Coordinates Tug1305 PMK A Tug1306 PMK Tug1307 PMK Tug1308 PMK Tug1309 PMK Tug1310 PMK Tug1311 PMK Tug1312 PMK Tug1313 PMK Tug1314 PMK Tug1315 PMK Cancel Note Due to some differences detected in the IGES import and the original surface we recommend using a conversion function included in the ShipCAM Import Utility in AutoCAD IGES2MSH The IGES2MSH command can be run directly from AutoCAD if the ShipCAM Import utility is installed This utility is installed by default when ShipConstructor is installed To use the IGES2MSH function 1 Start AutoCAD 2 Run SC utilities gt ShipCAM gt Convert IGES to MSH or type IGES2MSH The IGES File Import window appears IGES File Import Look in Projects Moda Demo Tug12 5 Tug14 File name TugT3igs EE Om Fies of ype IGES Fies M Select the file you want to c
79. SI Interest Charges If any amount payable under this Agreement is not paid within 30 days of becoming due SSI shall have the right to impose a charge of 2 per month 24 annually on the unpaid balance of the amount from the due date until the date of receipt of all amounts in arrears including interest Purchase Orders Any purchase order an Order delivered by Licensee shall at all times be deemed to incorporate this Agreement by reference and shall be subject to the applicable provisions of this Agreement Any provisions of an Order shall not apply and shall not be binding upon SSI unless they relate to information which was requested by SSI In the event of a conflict or an inconsistency between the provisions of an Order and the terms and conditions of this Agreement this Agreement shall govern and supersede to the extent of such conflict or inconsistency Limited Warranty SSI warrants that during a period of 90 days from the date of delivery of the Licensed Materials to Licensee the Warranty Period the Licensed Materials will perform substantially in accordance with the Licensed Materials documentation specifications when used in accordance with this Agreement on a properly operating System Configuration SSI s sole obligation under this Warranty and Licensee s exclusive remedy shall be to use reasonable commercial efforts to correct Errors a bug defect or other problem incurred by a user in operating the Software
80. Y File View Bloc ines Ver Plan H cial ela al al al aidia Ael ee Em Mi Peel 2 9 el sel g Asl el 4 5 lle lel 41 B xl 00 87 8 a3 az Ok VPP 78 BAME ila E 9N29 0 P 3 0000000 5 709 oe 3 amp P amp a 9 x a 6 PS BE El E a ta ba iz o Ye d a a E A o Al l da SE Min 4 6200 0 0000 0 0003 Max 90 7649 7 5003 10 8000 1 0 0000 0 0000 0 0000 96 LoftSpace Program LoftSpace Program LoftSpace is the main module of ShipCAM It combines many lofting functions into one single program In LoftSpace you can do any of the following General Features Selecting Objects Enter offsets Create developable straight section and compound curvature surfaces Cut frames and other sections Intersect surfaces Project onto surfaces Fillet surfaces Trim surfaces Import and export surface and line data with CAD systems Import NURBS files from IGES 128 or IDF formatted files Create decks Perform many 3D surface manipulations to produce a production ready surface model Selecting objects in the geometry editor is done by using the mouse to pick or capture an area Selecting objects can be done from any viewpoint LoftSpace lets you select vertices lines or blocks a grouping of lines When objects are selected they are highlighted using dotted lines Vertices are highlighted by dotted squares around each vertex Entities are sel
81. Z Once loaded all frame section will be at 0 0 length Just move each section to the appropriate location and you have a 3D model 101 LoftSpace Program 102 DAF Import Options Unit Conversion l From Millimeterz ki To Meters E change Coordinates 0 From To e is e x 1 E e y ae ft esas Arc Conversion Tolerance 0 01 o cea Import IDF File The IMSA IDF format was defined by the International Marine Software Associates of which ShipConstructor Software Inc is an active member The IDF format is specifically designed for the purposes of the marine industry ShipCAM can read the Section format the Surface Mesh format and NURBS surfaces IDF Objects Unit Conversion Name From x AA AA To Meters y TRANSOM TRIMMING SURFACE Exchange Coordinates From X Y 2 Cancel When importing NURBS surfaces LoftSpace converts them to the standard ShipCAM type mesh surface You will be prompted to specify the minimum number of vertices in U and V directions that LoftSpace should create for the mesh LoftSpace will try to match your value However the NURBS algorithm allows only certain numbers of vertices to be created LoftSpace will create the mesh with values at the nearest higher value to the value specified For example in the following case the resulting surface happens to be a 23x22 mesh NURBS Import Part Name HYDRO DEK Data in NURB
82. able containing the X and Y location pin height and transverse contact angle of each pin e Plan profile and body views of all plate outlines with the pins Auto Level Menu Auto leveling is performed by first identifying four points usually the outermost plate corners using the corner selection functions and then running the auto level function to rotate the plates Select Upper Left Corner Lets you define the position of the upper left corner of the construction assembly for auto leveling Use the mouse to click near the upper left corner of the plates in Plan view A cross indicates the nearest plate corner to the picked location Only plate corners can be picked Select Upper Right Corner Lets you define the position of the upper right corner of the construction assembly for auto leveling Use the mouse to click near the upper right corner of the plates in Plan view A cross indicates the nearest plate corner to the picked location Only plate corners can be picked 193 PinJig Module Select Lower Left Corner Lets you define the position of the lower left corner of the construction assembly for auto leveling Use the mouse to click near the lower left corner of the plates in Plan view A cross indicates the nearest plate corner to the picked location Only plate corners can be picked Select Lower Right Corner Lets you define the position of the lower right corner of the construction assembly for auto leveling Use the mous
83. aight lines and arcs e The polyline must be designed so that it will intersect with the frame under all situations For this reason the legs should extend down far enough to intersect the frame line e The polyline for the cutout must be on the layer SHAPE e There must be a line on the layer HEIGHT to represent the nominal height of the profile of the stringer e There must be a line on the layer WIDTH to represent the nominal width of the profile of the stringer e Orient the cutout in a manner similar to as shown above with the web of the profile in the positive Y direction and the flange of the profile in the positive X direction When cutouts are inserted the size of the cutout is automatically adjusted according to the stretching required for the intersection angles of the stringer and the frames File Menu 152 Open Frames Ctri O Open References Save Cutout Marks Ctrl 5 Save Stringer Surfaces Save Plate Marks Open Cutout Marks Open Frames with Cutouts Save Frames with Cutouts Mark Options eS gt gt New Project Print Ctrl P Open Project Print Preview Project Settings Print Setup Exit Open Frames Opens frames files generated by the LoftSpace program for marking or for inserting cutouts Open References Opens files for display reference You can load any type of ShipCAM file for references For example you might want to load plate seams and butts to ensur
84. al Pin Layout Initial Pin Height Normal Line Length Base Length 0 2 m DXF Output Text 50 0 mm Shit Plates X and Y to 0 0 Min Pin Height 10000 m Select Build gt Generate pin array on seams and select the file PINJIG LOC Click No The file contains the distance of the pins from the left side of the assembly Maximum distance between pins 1 5000 Cancel Next a message box asks for the maximum distance between pins Enter 1 5 This assures that an extra pin Is located at the midpoint between two seam pins if the distance is larger than 1 5 m The locations of the pins are calculated and the pins are displayed as crosses in plan view Set up four views as shown below Select Build gt Make Pin ig and the following images should appear 81 Tutorial Pinjig D Projects2005 5C7005Demo ShipCAMidemo U12P08 MS5H File View Build Auto Level Help Ze Ly oy ee y Min 0 0000 0 0000 1 0000 Max 5 1348 8 0945 2 1346 For Help press F1 B 3081 887 8490 0 000 im PrintOffsets 82 The PrintOffsets module lets you generate a table of offsets for buttock lines waterlines longitudinal lines frame lines frame knuckles and design offsets In this example we will make the frame offsets for the entire hull at waterline locations every meter above baseline To print frame line offsets on water planes 1 Start the PrintOffsets program 2 Select File gt Frame Lines gt
85. alculations are the same as when using the full program This gives you an opportunity to evaluate the real software Tutorial ShipCAM is comprised of the following eight modules To start a module click on the Windows Start Menu and select Programs gt ShipConstructor2009 8 LoftSpace aa LinesFairing T StringerCutouts co PlateExpand O ShellExpand dl InverseBend le Pinjig PrintOffsets The program is divided into several modules because each module uses a special user interface e The LoftSpace module contains all general lofting functions You will soend most of your time in this module while working on a lofting project e The LinesFairing module deals with fairing lines for traditional sections such as stations 3D surfaces splines or 2D layouts for stiffeners and seams and butts It also creates a wide variety of surfaces and can cut sections to aid the fairing of complex hull surfaces e The StringerCutout module lets you specify and calculate intersections of longitudinal stiffeners with frames and automatically size orient and insert cutouts into the frames Tutorial e The PlateExpand module can expand any type of developable or complex curvature plate into a flat pattern including all markings e The ShellExpand module provides traditional shell expansion drawings for classification and help with the layout of internal structure and seams and butts e The InverseBend module creates inverse bending curve drawin
86. am module Select Inverse Bend gt Options or click iL Make sure all settings match what is shown below The Beam Height is the size of the beam in the plane of bending The Margins exclude small portions of the beam near the upper and lower edge that cannot be used for scribing for example if the beam has a radius bevel Extend Neutral extends the beam on the neutral axis for example if you require extra stock Offset Spacing defines how closely you want the offsets to be calculated The Neutral Axis is the axis about which the beam will bend look this up in the Tutorial manufacturer table Overlap specifies how much two inverse bending curves have to overlap if more than one bending curve is required Extend Meutral Difset Spacro Upper Margin 0 1000 0 1000 lo 0100 Neutral Asis AO Beam Height 0 1750 CL a Lower i 0100 Overlap 0 2000 m Output DSF Test Size 10 0 mm Cancel We will set up four different views now Select View gt Split Window and make four views Activate the upper left view and select View gt Show Original Frames or Stringers or click Click on Body View Bol 5 Activate the upper right view and select View gt Show Original Frames or Stringers or click Click on 3D View I Set the viewpoint to 5 1 1 l 6 Activate the lower left view and select View gt Show 3D Curved Frames or Stringers or click Click on 3D View 1 Set the viewpoint to 5 1 1 l Act
87. ard on frames C Plate Bow Fashion Options m Edge Margin Height 0 15 m Miror Sightine J SightLine Angle 45 deg Forming templates are used to shape the plates in the workshop away from the hull frames By default the function creates a template on each frame You can then choose to use fewer templates On plates with little shape three templates are sufficient Show in original mesh view Displays the templates in the original mesh viewport 171 PlateExpand Program 172 On other side of plate Places the templates on the other side of the plate This is typically done after an expansion that shows the templates on the wrong side Templates Two types of templates can be generated Standard on frames creates a template for every frame section in the plane of that section Bow Fashion templates are for centerline plates only Bow fashion templates are typically used where standard templates are not close to perpendicular to the plate the plate has a steep rise The following window shows the options for setting up the Bow Fashion templates Bow Template Settings Plate Thickness 0 0120 m Template Spacing 0 5000 m Offset 0 2000 m Stem Template Height 10 3000 m Cancel e Template Spacing The spacing between adjacent templates e Offset The distance from the start The start corresponds to the start of the mesh e Stem Template Height The height of the two stem templat
88. are used for the surface generation Click Next Change the surface settings if needed and click Finish The surface is placed in a new block If the surface you generated needs to be changed and recreated press Enter or Right click to bring up the Generate Surface wizard again Cross Spline Surface Cross spline surfaces are calculated from a series of faired longitudinal lines In general this type of surface Is used for round bilge hulls or for bow and aft sections of hard chine hulls This is the best surface type when recreating a complex Shape from a table of offsets The function calculates splines across the faired longitudinal lines creating a dense surface mesh This improves the resolution transverse to the faired splines For example you might have faired 15 longitudinal splines along the length of the ship Now you need one hundred or more vertices to create each frame exactly This function does just that for you LoftSpace Program Cross Spline Resolution 96 Iterations o Resolution The number of vertices in the transverse direction for the surface mesh Higher curvatures require more vertices Iterations Number of iterations the algorithm uses to fit the surface mesh A large number of iterations reduces the deviation between the transverse splines and the longitudinals but increases the calculation time In general three to five iterations will reduce the maximum deviation to a small enough amount t
89. ased on Licensee s configuration may report back specific user information such as User name and email address 10 Hardware Keys Licensed Materials use requires Hardware Keys supplied by SSI 11 12 which can be used only at the site s authorized by SSI In the event of a failure of the Licensee s System Configuration the Licensee may upon advising SSI use the Hardware Keys and Licensed Materials on another system and or location License Fees Licensee shall pay to SSI the License fees applicable for the Licensed Materials as set out in and in accordance with SSI s Invoice Services Support services after the Warranty Period as defined in Section 15 below are provided by SSI under the terms of the SSI Subscription Agreement Installation consulting training and implementation services if requested by the Licensee shall be provided by separate agreement and at an additional charge 13 14 15 16 I7 Taxes All amounts payable by Licensee to SSI are exclusive of all commodity taxes including but not limited to applicable sales use value added custom duties excise taxes and other similar government charges all of which will be paid by Licensee If Licensee is required by law to withhold any taxes then Licensee shall pay SSI a gross amount of money such that the net amount received by SSI after deducting or withholding the required taxes is equal to the amount of the fee originally charged by S
90. ations gt Display Buttock Line Locations gt Remove Profile Projection Lines Two Points Plan Projection Lines Three Points Body Projection Lines Point amp Angle Oblique Plane Medians Penetration Surface gt References gt gt E Clear All Lines emove ASES gt gt _ New Project Print Ctrl P na ee S Print Preview roject Settings Print Setup Exit Open Surface Loads and displays the plate surface to be expanded and calculates any defined sections projections and surface surface intersections Expand Multiple Plates This function saves enormous amounts of time and reduces human error rates significantly The function automatically loads plates expands them using the settings specified in the plate data and saves them to DXF files The plate stock offset direction to the neutral axis and any extra stock material should be set beforehand using LoftSpace See Blocks Menu page 107 for details on how to do this Multiple Plate Expansion Surfaces Plates to Expand 118FT M5H TOFLTETM MSH 12BLG MSH Cancel 15FCSTL MSH 215KGIHB DEW 2eSEGOUB DEV H 5TR 21 5 TA 4T 5TR J95KO0BD DEW ST STR JOSAGIED EY DECK TOSIDEFILLET M3H SIDESTR_1_PDH STA SIDESTR_1_f0T 3TR SIDESTR_2 4DH STA SIDESTR_2 40T 5TAR SIDESTR_3 10H 5TR SIDESTR_Z3 10T 5TR SIDESTR_3_50H 3TR SIDESTR_3 507 51 SIDESTR_4_50H 57R al 161 PlateExpand Program 162 To expand a sampl
91. ave 3D Mesh Mesh Reduction 0 1 0 5 Save Forming Control Save Deformation Info Save Layout Plan Profile Body Developable Text Size 50 0 LIL V Save Dev Ruling Lines Strain Autosave 0 5 y Duput every nth 1 Lofting Offsets Templates Save Iv Save Grid Spacing 0 0000 m Stack on top of each other PlateExpand Program Save 3D mesh Saves the 3D mesh into the DXF file This option is required when you want to include the plates in the ShipConstructor model The 3D mesh takes the place of the solid for regular parts Mesh reduction The mesh surfaces can consists of thousands of points The 3D ShipConstructor model uses the surface mesh only for visual representation not for any calculation Thus a high density of data points is not required and a small file size for display speed is desired Enter a number between 0 1 1 10 of the data density is saved so a 100x50 mesh will be reduced to 10x5 and 1 0 no reduction A good start value is 0 25 Save Forming Control Saves the distances on the edges of the plate from corner points to the nearest frames and between frames for the 3D plate for the 2D plate and the differences between the two Using this information it is much easier for the plate former to layout the line heating or bumping sequence Lonaltudinol Backset 573 T se Backset 38 3 Minimum Straln 0 0002 Maximum Strain 0 0799 Maximum Length Differenc 2 0 Minimum Length Difference
92. can notation origin at the bow positive X direction going aft to a conventional notation origin at the aft positive X direction going forward The LBP is 100 In order to convert the length direction we have to scale the length by 1 0 and move the length of the hull surface 100 units forward Change the project settings and make sure to change the X coordinate from US Reversed to World To create a modified project 1 Start the LoftSpace module 2 Select File gt Project gt Create Modified Project The following window appears Create Modified Project Scale Move Length f j Length 0 0000 Halfbreadth 7 0 Hal breadth 0 0000 Height ooo Height 0 0000 Source Project D 4Projects200545 LZ O05D emos hiplah demo SlP Browse Destination Folder Browse cora _ 3 Inthe Scale section enter any scaling that you want to perform You can enter individual scaling factors for any direction A value of 1 0 means no change in size values between 1 0 and 0 0 will result in a smaller vessel values above 1 0 will result in a larger vessel 4 Inthe Move section enter any changes to the relative position of the vessel to the origin point Create Modified Project gt Scale Move A Length j Length 0 0000 Halt breadth f Half breadth 10 0000 Height mooo Height 0 0000 Source Project D AProjects200545 C20050 emos hipbAM demo SCF Browse Destination Folder D Projects2005 Tugl 4 OR Cancel
93. cation for a buttock plane the location is the Y location DXF Output Text Size Size in output units of the text in the DXF drawing of the shell expansion 181 ShellExpand Program Layers Tab Build Settings Settings Shell Layers Perimeter PERIMETER Frame lines FRAMES Buttock lines BUTTOCKS Water lines WATERLINES Plan Projection Lines PLAN PROJECTION Profile Projection Lines PROFILE PROJECTION Body Projection Lines BODY PROJECTION Surface Intersection SURFACE INTERSECT Oblique Plane TILTED PLANE Plate Outline OUTLINE Offsets OFFSETS OBS ESE A A Cancel Help Specifies the colors and visibility of the display items Expand Surface Expands and displays the surface with all markings using the settings in the Options window The expanded surface is displayed in the active view if there is only one viewport Show Original 3D Displays the 3D hull surface with all the 3D marking lines in the active viewport Show Expanded Displays the expanded surface with all the expanded marking lines in the active viewport If no expansion has been performed the view will be blank This function is useful when setting up multiple views DXF Export Menu 182 Save Expanded Plate Save the shell expansion drawing to a DXF file All lines have names shown as text strings mid way along their length Each intersection of a stringer seam or similar object with a frame has a girth value represented The names of all p
94. ces on each longitudinal The figure below shows the profile view of the developable surface between the Chine Line and the deck at sideline In this case the ruling lines at both ends of the surface are not of length zero The bulwark surface is generated by following the same procedure for the side surface Single Surface Round Bilge Hulls Single surface round bilge hulls shown below require a two step fairing process In most cases the station or frame offsets are the starting point In most cases the offsets of the stem profile are also required The following steps list the principle operations To fair a single surface round bilge hull l Enter the table of offsets for the stations including the stem profile using the LoftSpace program Save the offsets to a file with the extension STO Fair the station offsets using the LinesFairing program Create longitudinals offsets from the faired stations and save them to a file with the extension LGO Fair the longitudinals using the LinesFairing program Save the faired lines as high resolution splines Create a wire frame mesh of the fitted surfaces from the faired longitudinals using the LoftSpace program Reference Section 6 During the fairing process it is important to keep in mind that the objective is to create a surface mesh from the faired longitudinals Each station is faired separately to the given offsets during the station fairing The longitudinal offsets are cal
95. change the Throw direction to Port The plate stock can only be set when linking ShipCAM to a ShipConstructor database We are not doing this in this tutorial Select Build gt Options or click B to bring up the Settings window Click the Templates tab Select the settings as shown and click OK We will explain the available options later 61 Tutorial settings General Stock Templates DXF I Show in original mesh view On other side of plate 0 None Standard on frames Bow Fashion Options Sight Line Height 0 3500 m Edge Margin 14 Select Build gt Expand Surface or click Al The plate is expanded and appears in one of the windows To determine 15 16 62 which one is the expanded plate highlight each one of the windows and observe the state of the buttons in the toolbar The window that shows the Show Expanded Plate button depressed shows the expanded plate Use the zoom and pan functions to investigate the expanded plate Use the toolbar buttons to change what appears in each view slaam le Show Original 3D Surface Show Expanded Plate Decrease Strain Scale Increase Strain Scale Show Plate Details Table Show Forming Templates Show Strain on Expanded Plate Show Strain on 3D Plate The expanded plate can now be saved to a DXF file if you have a hardware lock The figure below shows one of the many possibilities of displaying the results of the expansion The uppe
96. culated at equal intervals along the girth of each station Next the longitudinals are faired particularly in the high curvature areas of bow and stern Finally the wire frame surface mesh is created as shown below REE ES ERRE RAT III O A gE ASS O N SY NATA Multiple Surface Round Bilge Hulls These are the most complex hull forms and require considerable planning before starting the fairing process Usually these hulls should be divided into a number of surfaces Each surface can be of a different type Natural edges for surfaces are flat of side flat of bottom knuckles and the like Consider the following figure showing a hull with multiple surfaces Only two of the six surfaces have been faired the aft teal colored and forward round surface green and brown The forward area consists of two surfaces now Initially it was faired as one surface covering the green and the brown areas plus a portion close to mid ship above the deck that was later trimmed away All other surfaces have been either generated simply by extracting edges from the faired fore and aft curved surfaces flat of side and bilge or by extracting one edge mirroring it about center line and trimming the surface to centerline flat bottom plus rise in the aft shown in blue 95 Reference Section LoftSpace D Projects2005 SC2005Demo ShipCAM demo designsurfs GRP SEs File View Blocks Lines Vertices Tools Planar Sections Help Sla ela Sl e
97. d adjust the Throw to Port a1 2P00 MSH L1112P02 MSH 36 1112P03 MSH 4 1112P04 MSH A 1112P05 MSH 5 U12P06 MSH A 1112P07 MSH A 1112P08 MSH U12P09 MSH conse 0 O U DD 0 0 0 DD 0 0 O U 0 DO 0 DO 0 DD 0 9 Select Blocks gt Plate Stock Settings In the display window select plates U12P06 through U12P09 Set the Stock to PL10 the Throw to Port and add 25 mm stock on the right The resulting Blocks window should look like the one below Increase the Throw and R column width to view the values 75 Tutorial Name FY Color On Dese stk The tL R E EE U1 2P00 MSH L12P02 MSH W U12P03 MSH LI12P04 M5H 1d x 32 15 32 18 x 32 15 32 15x 32 Ox 32 15 32 15x32 12x 32 a a a JM ma On a O A A pp w Qu cI O a a ah y y op j m m7 ae U1 2P05 M5H a U12P06 MSH ae U12P07 MSH ae U1 2P08 MSH ae U12P09 MSH EEA EES EEE EEE EES ES H H 10 We are now ready to calculate the weight and CG for these plates 11 Select Blocks gt Weights CGs and select all plate in the display window Press Enter 12 The results are written to a text file and displayed in Notepad The text file also reports area and surface area which can be used for painting calculations Note The results will not be shown If you are running in demo mode P Weights01 txt Notepad File Edit Format View Help 1 2 3 4 5 6 7 8 9 TOTAL NAME U12P00 MSH U12P02 MSH
98. deStitteners LOC Locations Ao O0 5 50 0 O11 StitfsOnBilge LOC Locations Be e00 558 5 UW12GATH LOC Locations 117171995 11 00 UT2MSH LOC Locations 11729 1995 12 4 W12PJIG LOC Locations 118 1995 555 0 U125TACT LOC Locations 17767995 Ses WATER LOC Locations 117171995 1 44 5 WLAN S00 LOC Locations Bear a002 436 5 File name lU12MSH LOC i E Files of type E Compatible Files Mew Group Group Edit a Cancel Constant Girth from Top Marks the frames at locations measured along the girth of the frames from the top or end of the frames A location file determines the girth lengths to mark You will be prompted to select a location file that lists the girth lengths Proportional Girth Places marks by calculating the length of the girth of each frame and then dividing the girth length proportionally as specified in a location file You will be prompted to select a location file that lists the girth proportions The proportions are measured from the bottom of the frames 0 percent is the start of the frame and 100 percent is the end of the frame Projection Menu Produces stringers by projecting lines splines or polylines onto the frames You can produce these files using LoftSpace LinesFairing or a CAD program Plan Projection Marks frames by projecting lines in plan view onto the frames The frames are marked where the projection lines intersect the frames in plan view The function asks you to select files co
99. different if you work in meters millimeters feet or inches even if the object is the same size The curvature is different because of the units you choose not the size of the object The best solution is to move a control vertex a given distance say 3 mm or 3 16 inch remember the spline moves only 2 3 the distance and watch the curvature change Make sure you know how far away the previous and next control vertices are Compare the change to the accuracy that you can achieve on the loft floor or how exact you can actually fabricate the vessel Tutorial LinesFairing provides many other features for station fairing However explaining all of them here would take too long When the station fairing is completed the next step is to create longitudinal offsets using the File gt Make Line Offsets function Then the longitudinal lines are faired to create fair hull surfaces Longitudinal Fairing Fairing the longitudinal lines is the last step in fairing In the demo the aft and forward sections of the hull are faired separately because the mid body stations are parallel to the centerline We will check the fairing of the aft part of the hull To do this we will calculate a surface from the splines and then cut sections Select File gt Open or click and select the file AFT LGO Click OK Click No when asked to save modified lines Make sure you are in body view on a longitudinal spline and control vertex near the middle of the aft hull Ma
100. e Notice that the dY and dZ values in the distances table are large now in the neighborhood of the highlighted offset because we moved the spline a considerable distance Tutorial goood 0 0000 oO 0 0000 0 0002 OO 0 0000 0 0393 D0 0 0000 0 0502 01 0 0000 0 0093 OO 0 0000 0 0097 oOo 0 0000 0 0069 OO 0 0000 0 0212 OO 0 0000 0 0019 OO 0 0000 0 0066 0 0 0 0000 0 0007 0 0 An AAA Anse nen lt amp Note During fairing only the control vertices are changed The entered offsets remain the same Knuckles and Straightening Stations Often a station has knuckles or a certain area of a station has to be straight while others are curved ShipCAM offers a breakpoint feature to accomplish this i 2 3 sle Make sure the current control vertex is still vertex 4 on Station 9 25 Press Ctrl B x The spline is broken at the control vertex creating a break point The color of the active control vertex changes to magenta she Activate control vertex 10 on the same station Press Ctrl B xj again to create another break point Click the Flatten button peo then activate control vertex 4 again Watch a thick line drawn from control vertex 10 to the current position as you move along the control vertices 4 When at vertex 4 press Enter The Flatten Line window appears Click OK Dl Flatten Line Direction to move to flatten line E lr Y gt Press Enter to finish the flatten process and recalc
101. e parameters e The type of camber e The maximum half breadth e The amount of camber at maximum half breadth Note The deck shapes will be different between the centerline and side edge deck when using Sine Curve Radius Curve by Camber and Parabolic Curve e For the deck made from a centerline the camber board is calculated as shown in the figure below using the Camber at the Design Half Breadth and the type of curve This camber board is then placed with the center position on each point on the deck centerline The transverse line is trimmed where it intersects with the side surface e Ifthe deck is made from the side line for each point on the side edge the half breadth value is found and the camber is then proportionally scaled using the ratio of the design half breadth to the current half breadth Using the new camber at this location and the curve type the camber shape is calculated For the Radius Flat and Slope and Faired Camber board the shapes of the deck camber are identical for the centerline and sideline options The shape of the curve initially Camber Design Half Breadth ShipCAM can produce six different kinds of deck styles Sine Curve The deck camber is calculated using the sine function Radius Curve The deck camber is an arc with a specified constant radius Radius Curve by Camber The deck camber is an arc The specified camber is used Parabolic Curve The deck camber is calculated using the
102. e straight section and compound curved B Spline surfaces Cut sections through the surface model for frames waterlines and buttock lines and use any skewed plane for any other internal structure Mark frames at stiffener intersections and insert and size the cutouts automatically Layout seams and butts and trim the 3D surface model into individual plates Expand developable and compound curved plates Create multiple decks Intersect and trim any two arbitrary surfaces for example bow thruster and hull intersection Fit fillets between surfaces Calculate offset surfaces for plate thickness or neutral axis of platino Exchange information with CAD systems Exchange information with the BHS GHS hydrostatics program Perform shell expansion drawings with all the plate markings Calculate weights and centers of gravity of hull surface and plates Generate Pin ig drawings Calculate inverse bending curves for frames and stringers made from stock profiles Example Project The tutorial section of the ShipCAM manual steps you through the fairing and lofting procedure of an example project A Sample bulbous bow tanker hull is provided and gives you the opportunity to try many program features It will take you two to three hours to work through the tutorial Tutorial Hands On Demo This is a hands on demo program This demo program is the real program only the SAVE function is disabled if you do not have a hardware lock All c
103. e AAA II If ay ae a ee ae ZEN dls ty da Objects 7 Min 4 6200 0 0000 0 0003 Max 30 7649 7 5003 10 8000 For Help press F1 0 0000 3 9632 5 6342 Zoom x 1 375 m F Pa Increase or Decrease Porcupine Scale Increases or decreases the scale of the porcupine 14 1 Previous or Next Section Activates the previous or next section Use this function to step through sections a Porcupine as Curvature This displays the porcupine as curvature Curvature is calculated as 1 gt radius of a circle that can be drawn through any three adjacent points on the spline La Porcupine as Slope This displays the porcupine as slope or rise over run Use this function when the spline or section is between horizontal and 45 degrees in the current view e Porcupine as 1 Slope This displays the porcupine as 1 slope or run over rise Use this function when the spline or section is between 45 degrees and vertical in the current view Options The Planar Sections Options window defines how the cut sections will be treated Planar Sections Options Join IV Tolerance fo 01 Cancel Chord Tol Thinning IV Tolerance fo 01 Remove Vertices IV Min Distance fi e 005 133 LinesFairing Program Join Sections are generally cut on several surfaces The surfaces might have common edges You can choose to connect the sections on the individual surfaces For example a frames section on a
104. e Locations button el Location Name Naming Style Prefix Min No of Digits Start Number Interval Integer IFR 2 fo 1 Cancel Click OK to name the locations from the current position downwards You can repeat the same procedure from any location For example you might have half frame spacing and full frame spacing changing at Frame 9 Highlight Frame 0 and do a frame location naming with half frame spacing for the name Then click on Frame 9 and repeat with full frame spacing 10 Click Save to save the location file and generate the frame lines 11 Switch views to Body view to inspect the frame lines 151 LoftSpace Program 132 Oblique gt Two Points Cut a single section through the visible surfaces using two points to specify the cutting plane In the Two Point Oblique Plane window select the plane you want to specify the points in and then set the values for Point 1 and Point 2 The resulting section will be stored in a new block Two Point Oblique Plane Plane xY Plane xZ Plane YZ Plane 0000 D Point 1 Point 2 36 0000 6 0000 m Oblique gt Three Points Cut a single section through the visible surfaces using three points to specify the cutting plane The resulting section will be stored in a new block Use the Three Point Oblique Plane window to specify the location of the three points and then press OK Three Point Oblique Plane x Y Z Point 12 0000 fooooo 0 0000 m Cancel Point 2 36 0000
105. e data remains loaded X Ln Flag that allows you to turn the cross lines on or off This only applies when all the lines in a block have the same number of vertices Desc A description of the contents of a file or block If the block is a surface then the number of lines and the number of vertices are shown The description is not a saved property of the block Stk The stock of the mesh surface This only applies to surfaces that have the stock set using Manager This is a saved property of a mesh surface block Throw The direction of the plate surface s throw This is determined from the normal vector at the center point of the plate This is a saved property of a mesh surface block L The amount of green material to add to the left edge of the plate during plate expansion The left edge is located on the plate where the first vertices of the lines are R The amount of green material to add to the right edge of the plate during plate expansion The right edge is located on the plate where the last vertices of the lines are B The amount of green material to add to the bottom edge of the plate during plate expansion The bottom edge is the first line of the mesh T The amount of green material to add to the top edge of the plate during plate expansion The top edge is the last line of the mesh Mod If a flag appears in the Name column beside a block it indicates that a block has been modified since it was loaded or last
106. e plate Min Strain Zero Use this when you use line heating to form the plate which shrinks the plate All small elements in the expanded plate are larger or the same size as the same element on the 3D plate After using line heating the plate Should achieve the desired size Max Strain Zero Use this when the plate is shaped using a method that stretches the material See General Tab under PlateExpand Program page 160 for more details Stock Settings Sets the stock plate size and adds extra material to any plate edge In general it is sufficient to add stock only at unit breaks Stock on all plate edges is only required on highly compound curved plates See Stock Tab page 171 for details settings DXF Settings This tab lets you configure how this program generates the DXF drawing file See DXF Tab page 172 for details settings General Stock Templates DXF Layers Save 3D Mesh Mesh Reduction 0 1 05 a Seve Forming Control Layers Settings The Layers tab sets the layer names and colors that are used in the DXF file 65 Tutorial Tutorial 66 See Layers Tab page 175 for details settings Frame lines Buttock lines Water lines Plate Edge Plate Edge with stock Plan Projection Lines Profile Projection Lines Body Projection Lines Sightline Surface Intersection INOOOOSOOoOoOM tag egy atadas ala le Expanding a Bow Fashion Plate Bow fashion plates are particularly
107. e plate first 1 Load one plate 2 Load the frames buttock lines waterlines and any other files for marking 3 Configure the expansion options 4 Expand the sample plate and save the DXF to ensure the results are as desired Note You need to be logged into a ShipConstructor database to take advantage of this option 5 Select Files gt Expand Multiple Plates All the surfaces are displayed in the left list Surfaces of the window that appears 6 Select the plates you want to expand and click the gt gt button The plate names are moved from the Surfaces list to the Plates To Expand list 7 Click Expand to expand the plates The expanded plate DXF output files will be the same name as the mesh surface file If a DXF file of the same name already exists you will see a prompt to overwrite the file Frame Line Locations gt Open Loads a location file with the locations of the frame lines and calculates the frame sections The same file is automatically used to calculate sections on all subsequently loaded surfaces Waterline Locations gt Open Loads a location file with the locations of the waterlines and calculates the waterline sections The same file is automatically used to calculate sections on all subsequently loaded surfaces Buttock Line Locations gt Open Loads a location file with the locations of the buttock lines and calculates the buttock line sections The same file is automatically used to calculate sections
108. e they do not cross your stiffeners StringerCutouts Program Save Cutout Marks After calculating marks for stringers you might need to save them for later use Save Stringer Surfaces Saves each stringer surface to a separate file The files can be named automatically using the line or location name that is generated for the stringers or they can be named manually The program will always save the heel surface The optional toe surface upper horizontal part is only required if you want to include the surfaces in a 3D CAD model Stringer surfaces are used for two functions e Plate expansion to cut the stringer from flat plate using the PlateExpand program e Inverse bending for stringers made from profiles using the InverseBend program StringerCutouts save Toe stringers Each stringer heel and toe will be saved in separate files 8 Stringers to save Yes No Cancel The files can be named automatically using the names of the intersection planes or lines that were used to generate the stringers stringertutouts A Automatically use line names for filenames You will be prompted to enter a name for each file if you choose not to use automatic naming The H at the end of the name indicates the heel portion of the stringer save stringer surface Directory D Projects20054SC2005D emo S hipCAM Type Modified 1H 5TAR 10560 Stinger Surface Ao eO2 EBr 2 11 5TR 10582 Stinger Surface Ao z002 Se H 5TR 10560 Stri
109. e to click near the lower right corner of the plates in Plan view A cross indicates the nearest plate corner to the picked location Only plate corners can be picked Auto Level Levels the plates using the four defined corners The plates are rotated so that both diagonals connecting the four corners are horizontal yielding in general the best down hand welding position Steps to Create Pin igs Note See Pin ias page 80 for an example on how to run Pin igs To create a typical Pin Jig assembly for a construction module 1 Use LoftSpace to offset the plates from the molded line to the outside It is a good idea to generate group files for grouping the names of the plates for each construction block for which Pin igs have to be generated 2 Select File gt Open Plates and load the offset plates 3 Orient the plates into assembly position by using the auto level feature or manually rotating the plates using the rotate function Shift the plates to the origin Shift the plates to the minimum pin height Set the pin grid properties using one of three methods e Use the Pin Layout function to define a grid of pins e Use Generate pin array on seams e Open a previously saved pin array layout Select Build gt Make PinJig Check the normal pins to confirm the pins are correct Save the DXF drawing of the Pin ig layout Investigate the CAD drawing using you CAD program Troubleshooting Problem Normal lines are on the w
110. e together creating a poor distribution of control vertices Our experience Is that it is best to space all control vertices evenly before attempting fairing Break positions should be defined before spacing the control vertices evenly Space Using Location File ml Spaces all control vertices along the length of the 3D spline using a location file containing percentage positions The values range from 0 to 100 percent When to Use Use this function when the curvature of the spline changes a large amount along the length of the spline If for example you are fairing a bulbous bow hull longitudinally the aft and mid portion of the hull has very little shape in the longitudinal direction However in the bow area there is a lot of shape in each longitudinal To simplify fairing you should have the vertices spaced far apart in the aft and mid area and close together in the bow area You set up a location file for example with the values 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 79 82 5 85 5 88 90 92 94 96 97 5 98 8 99 6 100 Break gt Unbreak sde gt lt Breaks the spline at the current control vertex or unbreaks if it is broken already Use this to generate knuckle points or defined tangent points on splines Flatten Line Flattens a spline between tow control vertices Use this procedure to move to the control vertex at which you want to start the flat portion of the spline Click the Flatten but
111. ect Extend gt To Line from the Line menu 2 Pick the line that you want to extend to and then press Enter 3 Pick the lines that you want to extend and then press Enter 115 LoftSpace Program Reverse Vertices Reverses the order of the vertices on selected lines The logical order of vertices is important for some operations For example a surface only makes sense if all lines in the surface have all the vertices running in the same general direction Thin Vertices Thins vertices by keeping only every nth vertex on the selected lines where n is a value set after selecting lines and pressing Eneter If n is 2 every second vertex is kept Remove Vertices Below Tolerance Reduces the number of vertices on straight portions of lines ShipCAM removes vertices using the following algorithm If the Chord Distance 1 is greater than the tolerance then Vertex 2 is not removed If the Chord Distance 1 is less than the specified tolerance the Chord Distances 2 and 3 are checked If the larger distance is less than the output tolerance then Vertices 2 and 3 are removed 2 ia Ps Chord Dist 1 1 ae 3 Chord Dist 3 m Remove Vertices Enter the chordal tolerance to delete vertices below 0 0001 Cancel Vertices Menu 116 This menu lets you manipulate individual vertices Select Delete Move by Select Select vertices Once vertices are selected you can right click to get the vertex context menu Delete Dele
112. ect Settings Project Settings ShipConstructor 4 Use Database Licensing Licensing for ShipCAM uses a hardware lock The lock is a small device that plugs into your computer s USB port The locks store specific information that the individual ShipConstructor software modules look up at different times Your lock can be re programmed to enable new versions and additional software options Safe Sentinel ShipConstructor Lock Configurations Standalone Computer If you have a standalone system all you need to do is attach the dongle to the USB port of your computer 89 Reference Section Network License Server License Server Network Switch Hub gt AAN Faa q LS ShipConstructor Workstations Note This configuration requires a network lock On the Server Computer See the Project Management manual for how to set up the network license server On the Client Computers You need to configure ShipCAM to connect to the network license server 1 Start a ShipCAM module LoftSpace You may see a warning message like the following License Manager x Error Could not connect to any license server in list 2 Run Help gt About LoftSpace The About ShipCAM window appears 90 Reference Section About ShipCAM Shiplah Version 3 5 0 1 Requires ShipConstructor Database version 1 2 7 4 or higher Licenze License Server Settings bg Release Lock Information Licensed
113. ected in one of four ways Blocks Window Click on an entity Clicking on another entity will de select the previously select one and select the new one Hold down the Shift or Ctrl key and click on entities to select all of the clicked entities Holding the left mouse button down and dragging a selection rectangle from left to right will select all entities that fall completely into the selection area Holding the left mouse button down and dragging a selection rectangle from right to left will select all entities that include a portion in the selection area The Blocks window lets you see all the blocks files that are loaded in a tabular format Blocks U11P00 MSH U11PF02 MSH U11P0S MSH UT1TPO4 MSH U11F05 MSH U11FP0E MSH U11PF07 MSH U11PF08 MSH U11PF03 M SH TIT TIT a G a a HH EH 046646988 PLI2 Down FPLI2 Down FPLI2 Down FPLI2 Down PLE Port PLZ Fort PL12 Port PL12 Port PLZ Port E Name FY Color On Win Deso stk thow t R Je T gt O ODO A A oO oO 0 CO oO oO fF OO CO 0 CO O DO A A CODO CO OO fF oo O 97 LoftSpace Program Name The filename from which the block originated This field can be modified to rename a block or file Color The color of the lines in a block To change a color of a block click the color area The color is not a saved property of the block ON Flag that allows you to not display a block A block that is turned off cannot be selected but all th
114. ed The Licensed Materials are intended for ship modeling and construction purposes only and must be used by a person who has expertise and knowledge in this field The Licensed Materials requires independent confirmation of the reliability and accuracy of all designs drawings and other Licensed Materials output An SSI representative may be made available under a separate consulting agreement at the Licensee s request to provide training and consultation on the operation or integration of licensed materials Limitations on Use Licensee shall a not make more copies of the Licensed Materials than are necessary for the Licensee s installation of the Licensed Materials and shall only create backup copies for archival or emergency restart purposes b maintain a log of the number of and location of all originals and copies of the Licensed Materials c include SSI s copyright trademark and proprietary notices on any complete or partial copies of the Licensed Materials in the same form and location as the notice on any original work d not attempt to defeat any copy protection e not modify any documentation including any user manuals f not modify translate reverse engineer decompile or disassemble the Licensed Materials g not sublicense transfer assign sell loan rent or lease the Licensed Materials other than as permitted in this Agreement h use the Licensed Materials for its own internal use only i not pe
115. ention on Contracts for the International Sale of Goods 29 References SSI shall be allowed to incorporate Licensee s name in SSI s customer reference list and to use it for marketing 30 Dispute If any dispute arises under this Agreement a good faith attempt to resolve the dispute will be made by senior management of both parties at a mutually agreeable site and time If the parties are unable to reach agreement within 30 days after a request for such meeting the dispute shall be referred to arbitration in English before one arbitrator in Victoria British Columbia Canada in accordance with the Commercial Arbitration Act of the British Columbia 31 Entire Agreement This Agreement contains the entire agreement between the parties and shall supersede all prior discussions and agreements between the parties regarding its subject matter 32 Amendment Any amendment of this Agreement must be in writing and signed by duly authorized representatives of the parties 33 Walver The waiver by any party of a breach by the other party of this Agreement shall not be construed as a walver by such party of any succeeding breach by the other party of the same or another provision 34 Assignments Licensee may not assign or transfer the License or Licensee s rights or obligations under this Agreement without SSI s prior written consent and any such assignment or transfer without consent shall be null and void A transfer of all or substantiall
116. er Margin The distance from the lower edge of the profile below which nothing can be scribed This is usually due to a radius at the lower end of the profile Upper Margin The distance from the upper edge of the profile above which nothing can be scribed Neutral Axis The neutral bending axis location relative to the height of the beam The neutral axis is usually set by the manufacturer of the profiles The value is represented as a percentage of the Beam Height For example with a 60 percent neutral axis and a beam height of 200 mm the neutral axis would be at 120 mm Extend Neutral The length that the profile is extended beyond the end of the bending curve The profile is extended at both ends Offset Spacing The spacing at which the offsets for the bending curves will be calculated The spacing begins from the left end of the bending curve Overlap The amount the inverse bending curves are overlapped if more than one curve is required for the profile This occurs if the beam backset is larger than the distance between the lower margin and the upper margin The inverse bending curves should overlap to achieve a perfectly shaped profile Output DXF Text Size The size of the text placed on the inverse bending profiles to mark the offsets Export DXF Saves the inverse bending profiles with all marking to a DXF file The following options are available when exporting DXF Export Export To 2 D Production Straight
117. ery large plates The figure below shows an example of plates for the bulbous bow tanker To create individual plates from the design surfaces you have to define seams and butts for all plates This is usually carried out using the LoftSpace and LinesFairing modules You can also lay out seams and butts in your CAD system The seams and butts can be in 2D or 3D In both cases the design surfaces are trimmed to individual plates using the LoftSpace module surface trimming function The individual plates are then saved to files We will now expand some prepared plates one simple plate near the mid ship area a plate near the bulb with a bow thruster intersection and a plate on the bulb across the center line 59 Tutorial 60 LoftSpace C Projects2005 SC2005Demo ShipCAM plates plates UO5P04 MSH DER Fie view Blocks Lines Vertices Tools Planar Sections Help ca ar S al El lidi 21S ee El Mi 4 sel e st ae se a g lu olels xda lt lals 1 el e Objects 22 Min 4 6201 0 8632 0 0000 Max 90 7650 7 5027 10 8000 r SN E _ ES fp E aa nea gt For Help press F1 0 0000 0 0000 0 0000 Zoom x 1 0 To expand the near mid ship plate i Za Start the PlateExpand program module Choose File gt Open Surface or click and select the file U12P05 MSH Click OK The compound curvature plate appears Roll lines are calculated and displayed on the plate Roll lines connect points of same dead ise The ex
118. es e Plate Thickness The thickness of the plate The stem templates will account for the thickness and place a gap between them corresponding to the thickness of the plate Template Type The style of template to generate strip or plate Use strip templates when checking the plate by laying the plate on the shop floor with the inside facing up and placing the templates by hand on the related frame mark Use plate template when making a forming jig Erect the templates on the shop floor with the contact side with the plate facing upwards Then place the plate with the inside facing downwards onto the erected templates mn lei Strip Template Plate Template Sight Line Height The height of the sight line mark above the frame trace contact point on the plate on both end templates A straight sight line connects the marks of the two end templates The sight line heights are automatically calculated for the intermediate templates Height The height of each template only used for strip templates Edge Margin Amount to extend the template beyond the edges of the plate Mirror Sightline Mirrors the sightline mark The sightline normally points in the direction of the last line top of the plate This function points the sightline in the direction of the first line bottom of the plate Sightline Angle 45 Deg The horizontal line of the sightline is angled downward to produce a half arrow up DXF Tab DXF S
119. esF airing P Do you want to edit the locations Yes Cancel 9 To display the curvature on the frame section click the Show Hide cut section porcupine button Adjust the porcupine scale either half xl or double the porcupine 10 Use the Previous cut section and Next cut section tall buttons to step through the frames until the highlighted section is near the active control vertex You will see a display similar to the one below 19 Tutorial 11 You will also get a porcupine on the longitudinal fairing splines which can be confusing Click the Show Hide Porcupine x button to toggle these off LinesFairing D Projects2005 SC2005Demo ShipCAM demo AFT LGO Ee eres iter a el all dell lt del STS AA Sia Adel le SDK llela T ers Fairing Spline la Control Vertex E E30 lt A s A 2 FF0D Y z a 2 5991 ee Step 0 1000 m a See see N oy mT a BLAS i i A E il im 12 Move the active control vertex Fairing spline 4 vertex 4 down 0 2 meters and press Enter Remember to hold down the Shift key and use the arrow keys to shift a vertex or use the spin controls beside the Z value With each click the vertex will be moved 0 1 meters as indicated in the Step box 13 Click the Recalculate Sections button E The program recalculates the surface and the sections The new sections appear as shown
120. espective files using a new filename Save Splines Saves the high resolution splines Also saves the line offsets the control points and the breakpoint locations to their respective files The Save Splines window appears 135 LinesFairing Program 136 Save Splines Number of Yertices X 200 Cancel Spacing Equal C Proportional The spline can be saved using two different vertex distributions Equal Distributes the vertices along the spline equally spaced Proportional Distributes the vertices proportionally to the spacing of the control vertices The spline vertices are spaced closer together where the control vertices are spaced closely Note Use proportional spacing with care Use this option only when all splines have a similar distribution of control vertices Make Line Offsets Calculates offsets for longitudinals from the faired stations Each station can have breakpoints A breakpoint is a Knuckle and is the natural boundary for a surface or plate edge All stations must have the same number of breakpoints A station without any breakpoints round bilge hull has one surface A typical one surface hull would be a rounded sailboat shape To create line offsets The Define Lines wizard appears for making line offsets 1 Enter the number of longitudinal offsets for each patch 2 Change the line names to suit your needs The first and last lines on a patch are common to the adjacent patches That i
121. esulting surface is represented by a dense mesh in 3D space In a typical case 50 to 300 longitudinal polylines with 200 to 3000 vertices each are calculated The more complex the hull surface is the more vertices are required To create a cross spline surface for the forward bow area 1 Select Tools gt Surface Generation On complex commands it is advisable to observe the status text in the lower left The status bar now shows Select block to generate surface from then press Enter Click on the forward longitudinal splines and press Enter 33 34 Tutorial 2 The successful block selection is confirmed by drawing it as dashed polylines and marking the first and last vertex on each polyline with a small colored square The status text confirms this by stating 1 Block selected 3 Surface Type amp Cross Spline E B Spline Straight Section UPPERTANGENT v 4 Start Line and End Line mark the first and last line between which the surface is to be calculated By default the first and last lines are selected Other settings can be useful for other applications such as hard chine vessels Under Surface Type select Cross Spline and click Next Cross Spline Resolution erations Tutorial 5 Set the settings as shown above Resolution 191 creates a surface mesh with 191 lines Iterations 5 runs 5 error correction iterations to get the resul
122. expansion generation 180 ShellExpand Program Shell Tab Build Settings Shell Layers No of Transverse Sections 800 Base Line C Water Plane Buttock Plane C Lower Plate Edge Plane location lo m DXF Output Text Size 50 0 mm Cancel Help No of Transverse Sections The number of transverse sections to be cut through the shell surfaces The closer the sections are spaced the better the resulting shell expansion will be On a small boat 200 sections might be sufficient while a large vessel might require 1000 sections or more depending on the complexity of the hull shape Base Line The type of base line to use when expanding the shell e Water Plane The specified water plane will be a straight line Note It is a common error to specify a water plane of zero on a hull with surfaces that have their lower edge right at 0 0 If there is a flat bottom then the water plane is ambiguous as a water plane would cut the flat bottom at any half breadth In this case specify a negative water plane say of 1m and later move the shell expansion drawing down by 1m Water plane set 1 2 m above double bottom e Buttock Plane Location The specified buttock plane will be a straight line e Lower Plate Edge The lower plate edge will be a straight line AUS ACROSS A y A NL Lower plate edge expansion Plane Location The location of the base line plane For a water plane the location is the Z lo
123. ferences for setting up the assembly We want to generate a PinJig with a good down hand welding position To achieve this the plates will be rotated We will do this in two steps First we will rotate the plates into an approximate horizontal position Second we will use the automatic optimization to find the best horizontal positioning for welding 5 Select Build gt Rotate or click T The Rotate Plate window appears letting you specify rotation angles Set the values as below and click OK Rotate Plate Rotation about ax1z ad deg Rotation about Y axis jo deg Cancel Rotation about Z axis 0 deg The plates are nearly horizontal To rotate the plates into the best position we will now use the auto leveling feature Select Auto Level gt Select Upper Left Corner and then pick the upper left corner point in the plan view The picked corner point is indicated with a large cross Select Auto Level gt Select Upper Right Corner and then pick the upper right corner point in the plan view Select Auto Level gt Select Lower Left Corner and then pick the lower left corner point in the plan view 10 Select Auto Level gt Select Lower Right Corner and then pick the lower right corner point in the plan view 11 Select Auto Level gt Auto Level and The plates are now oriented in the best horizontal position 12 Select Build gt Options Set the same values shown below Click OK 80 13 14 15 16 Tutorial Gener
124. file size Select Files gt Open Marks and select the files containing the marks The marks are usually generated using the StringerCutouts Open waterline and buttock line locations as desired Select Inverse Bend gt Options and modify the settings as appropriate for the profiles you are using Select Inverse Bend gt Make Inverse Bend to calculate the straight profiles The profiles are then displayed in the straight frames or stringers view Select Inverse Bend gt Export DXF to create the CAD DXF file Open the DXF in your CAD program and investigate the results Steps to Create Inverse Bending Stringers The following procedure shows how to generate inverse bending curve frames L Me PA Select Files gt Open Stringers and select the files containing the stringer surfaces All stringers have to be made from the same profile size If you have different sizes then you have to repeat these steps for the files of each profile size Select Files gt Open Stringer End Locations and select the location file with the end locations of the stringers Open frame line waterline and buttock line locations as desired Select Inverse Bend gt Options and modify the settings as appropriate for the profiles you are using Select Inverse Bend gt Make Inverse Bend to calculate the straight profiles The profiles are then displayed in the straight frames or stringers view Select Inverse Bend gt Export DXF to create the CAD DXF file
125. for twisted and non twisted longitudinal stiffeners You use the InsertCutout module to prepare the stiffener files by loading closely soaced sections and creating stiffener marks The stiffener marks are then saved as developable surfaces 78 Tutorial The Inverse Bending program uses a two step process to create the inverse bending information First it develops the twisted stiffeners represented by the loaded developable surfaces into flat plates which will be shown in the lower left window Next the flat plates are straightened which will be shown in the lower right window Tip Group the stiffener surfaces together using a group file Activate the upper left window and set it to Plan View Select File gt Remove all Data for the new expansion Select File gt Open Stringers and select the file STRINGER GRP Click OK The file contains some example stringers that will be made from stock profile 4 Select File gt Open Stringer End Locations and select the file U12STRCT LOC Click OK Click No when asked to edit the location file Use view and zoom to investigate the forward ends of the stringers You will see marks near the forward end of the stringers No marks are visible at the aft end because the cut position is outside the surfaces However as you will recall in the settings window we asked the program to extend the profiles by 100 mm on both ends The endcut marks will show up in the expanded surface 5 Select File gt Open
126. gerCutout The marking lines indicate where stringers intersect with the frame profiles Open Stringers Loads stringer surfaces or other longitudinal structures to be converted to straight profiles The stringer surfaces are generated using LoftSpace and saving the heels of the stringer as developable surfaces Open Stringer End Locations Loads the locations of the ends of the stringer for marking on the straight profiles Use this if the stringer surfaces extend past the desired end location of the stringers The location should contain just two values one for the aft and one for the forward end location of the stringers Open Frame Line Locations Loads a frame location file Use this for inversed bending of stringers only 185 InverseBend Program Open Waterline Locations Loads a waterline location file Use this for inversed bending of frames or stringers Open Buttock Locations Loads a buttock location file Use this for inversed bending of frames or stringers View Menu v Profile Ctrl F2 Plan Ctrl F3 Body Ctrl F4 Viewpoint Set Viewpoint Zoom Window Zoom All Zoom In Ctrl F11 Zoom Out Ctrl F12 Show Original Frames or Stringers Show Straight Frames or Stringers Show 3D Curved Frames or Stringers Toolbars gt y Standard Colors DERE Split Window v Viewport Type Show Original Frames or Stringers Sets the currently active window to be used for the display of the loaded frame lines or stringer surfaces
127. gs for frames and longitudinal stiffeners including twisted ones e The PinJig module creates Pin ig drawings from shell plating for several types of jig configurations e The PrintOffsets module prints fully formatted offset booklets for all hull related data Fairing Shipbuilders generally receive their project information as a lines plan and a table of offsets or as a computer generated surface model made from a hull design software program When shipbuilders receive a lines plan and a table of offsets they have to enter the offsets into ShipCAM and fair the hull from these In the case of a hard chine hull with developable or straight section surface only the knuckle lines have to be faired longitudinally ShipCAM creates all required surfaces from the faired knuckle lines For round bilge vessels the offsets are faired to create smooth stations ShipCAM then calculates offsets for fairing in the longitudinal direction Longitudinal fairing can be complex and good planning will save a lot of work With experience you will develop methods that produce accurate results quickly even for complexly shaped hulls ShipConstructor Software Inc has developed a unique method that fits B splines through the given offsets while maintaining excellent fairing properties This combination makes ShipCAM the best PC based fairing program available for shipyards or designers who have to match a given table of offsets What If Already Have a Hull Design Pr
128. gt Offset Editor The Line Editor appears am ya ajaj A Block HULL FRM 7 No Vert Name FRG 2 E No x Y z rare o aL _ N m H 0 an o J Use the Block drop down box in the upper left corner to select the block you want to edit or you can use Line gt Select and click on the line in the main display window This will bring up the offsets of the picked line in the Offset Editor Use the buttons explained in Step 5 to move between blocks lines and vertices Click on an offset cell in the window to activate the edit mode for that vertex value ale Previous or Next Block 421 9 Previous or Next Line al Space Down a Copy Down A Create NewLine Space Down is used when you want to use even spacing between vertices such as station spacing on a chine line Highlight the X value of a vertex for which the spacing is constant Click on Space Down The function calculates the difference to the value above the currently highlighted value This difference is then used to calculate all values below the highlighted value For example the first station is at 0 the second at 2 5 Highlight the 2 5 value and click Space Down The values 5 7 5 10 and so on are entered LoftSpace Program Copy Down Is used when all values below the current vertex are the same for the further vertices For example if you are entering a station at 5 0 enter 5 0 in the first field and click Copy Down
129. hat is less than 1 mm or 1 16 inch Zero iterations will create the smoothest surface as any unfairness in the longitudinal splines will be reduced B Spline Surface The B Spline Surface function calculates a surface mesh by increasing the mesh density in longitudinal and transverse directions at the same time This function should be used mainly when designing a hull from scratch or when it is not important to match the given offsets exactly Lines in Patch 177 Stations in Patch 5 C interpolate Cancel Help Lines in Patch The number of longitudinal lines to generate between the lower and upper edges Stations in Patch The number of transverse lines to generate Approximate Calculates a B spline fitted surface using a standard B spline surface algorithm from the loaded splines and places the surface in a new block Interpolate Calculates a B spline surface that is forced to pass through the longitudinal splines and places the surface in a new block In some cases the surface may show unwanted effects Note Use extreme care when using B spline interpolation especially when used in conjunction with splines saved with proportionally spaced vertices or when the longitudinals are spaced unevenly In some cases the surface can reverse on itself in small regions that are not immediately visible 121 LoftSpace Program 122 Developable Surface This function calculates a developable single curvature surface fr
130. he Licensed Materials the Revised Licensed Materials The Licensee shall test any external applications using the revised API before implementing the new version While it is SSI s intention that the Revised Licensed Materials shall be backward compatible with the immediately prior version of the Licensed Materials SSI does not guarantee or warrant that this shall be so and SSI shall have no liability whatsoever to the Licensee for any failure of the Revised Licensed Materials to be backward compatible with any prior version of the Licensed Materials Modifications requested by the Licensee shall be subject to prior written agreement as to scope and fees payable Ownership of all Licensed Materials modifications Shall vest in SSI SSI does not warrant guarantee or otherwise commit to Supporting Licensed Materials that has been superseded by Revised Licensed Materials Confidential Information Each party will not use the confidential information of the other party for any purpose except for the purpose described in this Agreement and Shall not disclose it to any other person except on a confidential basis to its employees and representatives who have a need to know the confidential information for such purposes This Section 23 shall not apply to confidential information which a is or has become readily available to the public in the same form other than by an act or omission of the receiving party b was lawfully obtained in the same form
131. he active view is a body view It is best to have only a single view for this part of the demo Click PgDwn or PageUp 61 Pl a few times and watch the active station in the display and the station name in the Fairing Spline on the left side change Stop when you are at Station 9 25 as indicated in the Fairing Spline window Fairing Spline STN_9 25 Control v ere i 60 4750 po se 0 0000 aed 0 0000 5 z Step 0 1000 m E Click the right arrow or left arrow keys Del until the Control Vertex is at 4 Observe the large cross jump from control vertex to control vertex and observe the X Y and Z values of that vertex appearing in the Fairing Spline window To move a control vertex hold down the Shift key and press the up arrow key several times Observe the large cross moving up and watch the Z value change in the Fairing Spline window For each key pressed the control vertex is moved up the distance of the Step value positive Z direction 0 1 meters in this case You can also press the up and down buttons beside the X Y and Z values in the Fairing Spline window Fairing Spline STN_9 25 Control Yerkes 4 60 4750 pos se 2353 2d Y 10 3566 3 Z Step 0 1000 m E The Offset Distance Table below shows the distance of the spline from the entered offsets in the three principal directions The distance to the offset closest to the control vertex is highlighted Press Enter to recalculate the splin
132. he more important information we need Please remember that all sections are based on cutting through this surface mesh even if the surface is invisible You can also use the window accessed via the View gt Colors menu to change the visibility or color of the Estimate Surface Tutorial Colors e Attribute i Spline pes Active Spline Line Control vertices Offset Vertices Current Vertes Break point Vertes Cancel Porcupine Curvature Porcupine of Cut Sect Estimate Surface Cut Sections References O Ja ff fl fal DO ep Pe ee ee D 8 Select References gt Frames gt Display or click kta and select the file FRAMES LOC Click OK In the next window click NO Frame sections are calculated and displayed Locations Directory O pd ai E2D050 lemos5 HRCAM Modified ENVIA LOC 155 Locations 11 7 7995 5 26 4 cl LOC 16 Locations Bf eo 2002 11 51 clst LOL 21 Locations Bf 292002 11 53 FRAMES LOC 2493 Locations rAr 2002 8 051 GHSSKEG LOC Feo Locations 1142201995 11 28 Pina hoc 108 Locations 1073171995 11 01 SHLLAP LOC 3145 Locations 11701995 439 4 STATIONS LOC 240 Locations 1224 1997 4217 1 U1 ForShtteners LOC 1599 Locations Ao 2002 B36 2 U11SideStifteners LOC 210 Locations Braa e002 550 0 144 ChifFeO nila MT a as B90 9007 ARO File name FRAMES LOC Files of type E Compatible Files Hew Group Group Edit Cancel Lin
133. he same number of vertices For example if you want to create a developable surface both edges of the plate must have the same number of vertices The Mesh Equally Spaced window appears It shows the block name and the smallest and largest number of vertices found on the lines in the block Mesh Equally Spaced Block L11POO MSH Min number of vertices 32 Max number of vertices 32 Number of vertices per line in mesh 32 Transpose after mesh All Default All Same Cancel Number of vertices per line in mesh The default value is the number of vertices found in the line with the most vertices In general this is the best value to choose However the number of vertices depends very much on the Shape of each line and the length Choosing a higher number of vertices does not improve the shape of the polyline All vertices are calculated on the existing polyline In some cases you might want to reduce the number of vertices If for example the lines describe the edges of flat rectangular plates such as those found In superstructures Transpose after mesh Use this option if you need a transposed block for the next operation such as trimming We provided the option here as it is repeatedly used when trimming hundreds of plates from the design surfaces At Locations Prompts you to pick a location file This file contains the proportional values at which you want to generate vertices along the existing lines These values range fr
134. i a La ci mir a nie npr E a ao gt de rir aa PT a a ce fae abe os i cm Tan E mir gt ri 7 A a rae E E i a3 ml E E E E cr o 5 E a a Qe a Ca Ez 91 0799 Max 0 0026 Min 4 6201 Objects 1 0 0000 0 0000 0 0000 For Help press F 1 im Zoom x 4 495 5FCSTL MSH Ln 8 8 Vx 157 Fillet This function generates a constant radius fillet surface between two surfaces The fillet surface can be thought of as the surface generated by rolling a ball between two surfaces so that the ball touches both surfaces at all times We will generate a fillet between the skeg and the aft surface now To create a fillet surface ility with the Blocks window as shown below You can use the Blocks window iSi d set the vi to switch the Blocks w y View an Select a Bod l button 44 t so that you can see all ig if you size i f your screen t very large dow on or off The window becomes very b In block data without scrolling You might want to res IS NO ize t to a smaller si ize 45 Tutorial 46 2 Blocks ES Name Py blr A Ane E a aa AFT LGS FORWARD LGS SKEG LGS FWD MSH SKEG DEV a AFT MSH ae SKEG_AFT SIN E SEEGTRIM DEY 15FESTL MSH FESTLDECK LGS HEB TTH EB TIE HTH 15 lines O lines 2 lines 191 600 100 2 fl
135. ick Y for the horizontal movement and Z for the vertical movement Thus the cursor keys will act as if working in a body view References Menu Line Circle E E Open Files Open Append Remove References Display Frames gt Waterlines gt gt Display Buttock Lines gt Remove Surface Setup v Show Surface Recalculate Sections Line Displays a straight reference line The 3D start and end points are entered in the Reference Line window The color of the reference line can be changed with the Colors function on the View menu Reference Line x Y Z 0 0000 3 0000 0 0000 m Eai 5 0000 3 0000 0 0000 m Circle Displays a reference circle The Reference Circle window appears The circle is defined by its center point its radius and the plane parallel to the circle The color of the reference circle can be changed with the Colors function on the View menu Reference Circle Plane xy Plane v x Y Z Center 0 0000 0 0000 0 0000 m Radius 0 0000 m Files Loads any number of geometry files as references Remove References Removes all references from memory and display 140 LinesFairing Program Frames Cuts transverse sections through the approximation surface using the current surface setup settings To remove the frames from the display select Frames gt Remove Waterlines Cuts waterlines through the approximation surface using the current surface setup settings To remove the
136. ideline Intersect Surfaces This function finds the true intersection line between two surfaces In some cases there can be gaps in the intersection line or the function cannot determine how to connect the segments As a result two or more intersection polylines may be generated Imagine the two surfaces as being constructed from wires wire frame model and that one of the surfaces is covered by a plastic film The plastic film will have holes where the wires of the other surface poke through The function calculates the intersection by finding the points where the wires punch the holes in the plastic film The Intersection Surface Options window lets you select which surface represents the wires and which surface represents the plastic film To find intersection lines between two surfaces 1 Select Tools gt Intersect Surfaces 2 Click on the two surfaces you want to have intersect 3 The Intersection Surface Options window appears Pick the intersection option you want LoftSpace Program Intersect Surface Options Intersection Type C Lines of Untitled04 through Untitled03 C Lines of UntitledO3 through Untitled04 Both 4 Click OK The intersection will be calculated and displayed Deck Surfaces LoftSpace can generate deck surfaces using six different camber types from either a deck centerline or from a deck sideline or side edge The deck calculations for the sine radius by camber and parabolic curve are based on thre
137. ified___ Dese BUTTOCK LOC 155 cl LOC 15 clstr LOL 2 FRAMES LOC 2493 GHSSKEG LOC p20 Pina loc 108 SHLLAP LOC 3145 STATIONS LOC 30 011Forstifeners LOC 1599 O11 SideStitteners LOC 10 1117 Cree Bilas OT qu Files of type Compatible Files New Group Group Edit Cancel 3 Ifyou are creating a new file the following window appears Enter the number of frames you want to create You can add or delete locations at any later time Locations Locations Locations Locations Locations Locations Locations Locations Locations Locations ll arab 117771995 526 4 572972002 11 51 r2 Jr 2002 11 93 9410 2004 8 43 4 1172271995 11 25 1073171995 11 01 117771995 433 4 172471997 9 21 1 r20 2002 6 36 2 9420 2002 550 0 RINN E RO E LoftSpace Program Locations Mumber of intersection planes 12 i Cancel 4 If you selected a file a message box asks you if you want to edit the locations Click Yes 5 The Edit Locations window appears as shown below Use the toolbar to edit the locations Add Location At End Add Location Before Selected Delete Location Xx Delete All Locations Ee Space Locations Name Locations 8 Print Locations FRMS LOC Save As Cancel Change the locations to suit your needs Use the Name Location function to name the locations Highlight the location at which you want to start naming Then click the Nam
138. illet is on Fillet Direction Resolution E Change 0 2000 Indicator Length _ Cancel jia Radius Intersection Type C Lines of SKEGTRIM through AFT C Lines of AFT through SKEGTRIM Both Resolution The number of vertices generated between the two contact points of the ball with the surfaces LoftSpace Program do a D Se FCSTLDECK LGS ett zje E cil ae al al el EAT eis ollel ml mil Fieles el al oe F aaie elelsl 2 x i lt l vialel 2 2 Fillet m Direction Resolution 20 a _Ehange Indicator Length Cancel Radius 0 2000 o E pe MEE PT gs eS RNS LO C Lines of SKEGTRIM through AFT Lines of AFT through SKEGTRIM e Both ES m lianas e e ESE ELO E M E E A MAN NS 2 Block s selected 0 0000 0 8027 3 9346 AFT MSH Ln58 58 x400 Zoomx1 000 m Radius The radius of the ball that is used to calculate the fillet surface Intersection Type The type of intersection used to find the center of the ball along the fillet Direction Change Clicking Direction Change lets you select on which side of the surfaces the ball will roll The ball is rolled on the same side of the surface that the normal indicator lines are on Direction Indicator Length The length of the indicator lines can be changed using the gt and buttons Planar Sections A Frame Lines
139. in the following instances You are starting a vessel from scratch and you have a lines plan of a vessel but no drawing If it is a hard chine vessel enter offsets of the lines that define the plate edges If it is a round bilge vessel enter offsets for stations and frames or both plus forward profile You require butts for breaking up large surfaces into individual plates Define each butt by two vertices You want to set exact values for individual vertices in a surface or any other data file To enter offsets in a new file l Create a new line by choosing Lines gt Create The New Block window appears New Block Block Mame 117 LoftSpace Program 118 Enter a name for the new block Select the correct file type for your types of offsets Use LGO Longitudinal Offsets for hard chine vessels STO Station Offsets for round bilge vessels and PMK Plate Marks for plate butts and similar supporting files Click OK This brings up the Line Editor ShipCAM automatically adds one line with the name 1 to the new block and adds two vertices with 0 0 values to the line A line has to have a minimum of two vertices Line Editor am yo ajaj ajaj Z Block Hull STO Y No Vert Name 11 2 Z A 0 0000 0 0000 0 0001 0 0000 0 0000 0 0001 To edit existing files You can also edit the offsets of existing files L 2 Make sure you are running LoftSpace and have two or more files loaded Select Tools
140. indow that appears LoftSpace Rotate Rotates selected blocks around the three primary axes The order of rotation about the axes Is X axis rotation Y axis rotation and then Z axis rotation LoftSpace Program Rotate Plate Rotation about s an 40 Rotation about y axis 10 Rotation about axis i 0 Connect Connects two lines If the end of the first line does not meet the end of the second line you have a choice of connecting the shortest end points of the end of the first line to the start of the second line Trim Trims selected lines to cutting lines To trim lines 1 Select Trim from the Line menu 2 Pick the cut lines and then press ENTER 3 Pick the line to trim and then pick the side of the line to trim off You can then pick more lines to trim to the same trimming lines Extend gt By Amount Extends selected lines by the amount that you enter To extend selected lines by an amount 1 Choose Extend gt By Amount from the Line menu 2 Pick the lines that you want to extend and press Enter The Extend Line window appears Extend Line Extend Length 0 0000 ri Se lw Start 3 Enter the extend length and ends to extend and click OK Extend gt To Line Extends the selected lines to an existing line in the current view This function depends on the viewpoint Only Plan Profile and Body views can be used To extend selected lines to an existing line in the current view 1 Sel
141. ines of the SKEG LGS file and press Enter The Surface Generation wizard appears Select Surface Type Developable Generate Surface surface Type e Cross Spline B Spline Developable Farallelity 5 gt 200 Ruled Surface Max Dev twist angle 5 Reverse Vertices The developable surface appears The green color indicates that it is developable as shown However the fan at the leading edge is not good for production We will try some other settings SSSR SSS ANNES i SSS SOON WN ps Se Switch the visibility of this surface OFF in the Blocks window Press Enter The surface wizard appears again if you did not select any other commands If the wizard does not appear select TOOL gt Surface Generation again Set the settings as shown below 37 Tutorial 38 Developable Parallelity jay 200 Filed ace Max Dev twist angle 5 Reverse Vertices lv Display Developability Click Finish The skeg surface should now look as shown below Using a higher parallelity eliminated the fan at the forward edge Bay LOS Muy I HL LLL LILI EPIA IP E DE Try different views and zooms to investigate the skeg surface Name the final skeg surface SKEG DEV using the same techniques as before Unload the remaining untitled surface The Blocks window appears AFT LGS M 150 9 FORWARD LGS E 120 Y SKEG LGS X FWD MSH 15 lines 20 lines 2 lines 191 x 600 100 x
142. ivate the lower right view and select View gt Show Straight Frames or Stringers or click mal Click on Plan View 4s Select File gt Open Frames and select the file U12IBND FRM Click OK The file contains the frames that will be made from stock profile 9 Select File gt Mark Lines gt Open and select the file U12IBND FMK Click OK These are the marks of the longitudinal stringers that were generated for the side stiffeners using the StringerCutouts module 10 Select File gt Open Buttock Line Locations select the file BUTTOCK LOC and click OK Click No when asked to edit the location file 11 Select File gt Open Waterline Locations and select the file WATER LOC Click OK Click No when asked to edit the location file 12 Select Inverse Bend gt Make Inverse Bend or click I The program expands the profiles with all marking and calculates the inverse bending curves 17 Tutorial InverseBend D Projects2005 5C7005Demo ShipCAMidemo U17IBND FRM File View Inverse Bend Help 4 ell lili do ele olsielel Zighs 0 0000 8 9095 789 295 m_ The profiles can now be exported to a DXF drawing in 2D for production drawings or in 3D for the 3D model Please view the resulting DXF drawing U12IBND DXF in the DEMO DRAWINGS directory Create Inverse Bending Stringers The InverseBend module also produces inverse bending curves
143. ke sure you are on Fairing Spline 4 and Control Vertex 4 Use the Page Up and Page Down buttons and the Left and Right Arrow buttons on your keyboard or use the drop down menu on the fairing spline control Paling SEE E Control vertes 4 x 6 3609 ye 2 7700 z 2 5991 Step 0 7000 m E 4 Click the Surface Setup button E Go to the Cross Spln tab The Settings window appears settings Long MshLng Cross Spin Dev B Spline Straht Sect First Line i ee T Intermediate Lines 4 Last Line UPPERTANGE Veces Spine 100 terations 0 First Vertex 1 Last Vertex 100 Number of Spline vertices between control vertices 10 a En 5 Make sure your settings are the same as shown in the window above Click OK A surface mesh is calculated and appears Your screen should look like below 6 Click the Show Hide Surface button EX If the surface mesh does not appear 17 Tutorial 18 LinesFairing D Projects7005 5C7005Demo ShipCAM demo AFT LGO File View References Help aT Soa H Fairing Spline if Hii zai th i E AN Control Vertex ja A a 6 3609 Si ae 2 700 al Z 2 5991 a Step 0 1000 m Fairing Spline On g 10 11 12 hee PTET delta tos A A NEC OANgA LES a TA ee 41 13 14 UIPPERTANG eal 0 0000 4 1947 11 2524 m F Click the Show Hide Surface button E again to switch the display of the surface mesh off as it obscures t
144. ks gt Plate Stock Settings In the display window select plates 00 through 05 Press Enter LoftSpace A This function requires Project Database Please select the Project database 6 You will see a window that tells you that LoftSpace is not currently linked to a ShipConstructor database Locate the database file that is associated with this project and log in to it Loftspace needs to find the plate stock material data Project Ez Browse For Project Remove From List Cancel 73 Tutorial Locate Project File 3 Standards 5 Stiffener Template Sui u2 E 5c2005Demo pro ShipConstructor Logon Server Alex o alabaze SC2Z005D ema Logon name DEMO Password z Cancel 7 Inthe Add Stock Info window select PL12 for the Stock set the Throw direction to Down and ask for an extra 25 mm 0 025 m of material on the right forward side of the plates Click OK 74 Tutorial Add Stock Info Materia ASB Thickness 2 8 Observe the settings for plates U12P00 through U12P05 in the Blocks window The throw setting for plate U12P05 Says Starboard LoftSpace uses the main direction of a curved plate as the direction indicator For the bottom plates selecting Down was fine however this does not work for plate U12P05 LoftSpace used the default Starboard which is not what we want Use Blocks gt Plate Stock Settings for plate U12P05 alone an
145. l 119 LoftSpace Program 120 e The bottom and top edge of a transom The shape between the plate edges is completely determined by the mathematical rules Waterline and buttock line information if present in a table of offsets should not be used Fitted surfaces are calculated from a larger number of longitudinals generally four or more faired longitudinals Two longitudinals describe the plate edges and the intermediate longitudinals describe the shape flare or flam Complex structures such a bulbous bow vessel can be described with this method General Procedure for Generating a Surface To create a surface from faired splines l Ze Load the faired lines in the LoftSpace module Select Surface Generation from the Tools menu The command line reads Select block to generate surface from and press Enter With the mouse pick the block containing the faired lines Press Enter The Generate Surface wizard appears Generate Surface Start Line Surface Type LOWERTANGENT t Cross Spline B Spline End Line C Developable UPPERTANGENT Straight Section Next gt Cancel Help Select the type of surface you want to create and the lines that will represent the top and bottom edges For B Spline and cross spline surface generation all the lines in between the start line and end line are used to generate a shaped surface For developable and straight section surfaces only the selected start and end lines
146. l ARMY la PAP E M Peel 191 ae sel al Hdl al A el xil lt 48 8 4 Blocks Ed METAS O e pee O eer PEA AR 10FLTBTM MSH 10x 635 0 11AFT MSH 71 x 200 128LG MSH 100 x 30 13FWD MSH 96 x 400 14FLTSID MSH Pu 318 15FCSTL MSH 20 157 E 16H y TIT aa EES EE EH ES EE MEA Objects 6 Min 4 6200 0 0000 0 0003 Max 90 7649 7 5003 10 8000 For Help press Fi 0 0000 0 0000 0 0000 ME Zoom x 1 000 m It is important to understand that ShipCAM describes the shape of the plating for the vessel When starting a project the ship can be divided suitably to make it easy to handle complex structures Quite often the question comes up Where is the module to do a transom The answer is that the transom is just another surface which could be faired with the hull lines or faired separately Similar approaches are used for superstructures sponsons skegs keels tank tops and more The next two figures show on the left the surface model generated in ShipCAM for the hull and super structure of a small police boat and on the right the same surfaces combined with internal structure in a ShipConstructor model Blocks Lines Verti LoftSpace C Projects2004 SC2004Demo ShipCAM demo designsurfs GRP i ices Tools ions lelp a A vs 2 0er bylayer Y Bilayer 2 di et OA Dimension Modify ShipConstructor SC Structure Window Help E 2 Dx f 228 RAR Al Asters v LS vi AA 2 OOS ORV coms HD Layer Y
147. la ll all 0191919l El Mm eee Ll Olla eleis AI el al tlel al B xlali el ael lel 4 E Resolutions x Change Indicator Length Cancel Radius 0 2000 E Fillet Intersection Type C Lines of SEEGTRIM through AFT Lines of AFT through SKEGTRIM 2 Both y E 3 Objects fit Min 4 6207 A A 2 Block s selected Zoom x 1 000 m lees NS ETE a i ae ee eee AS o an Ka jt cet LN Ze a A 8 SS q gt AS SS IAS o eA End gt AZ A o S AAN SSA EA i SN HAN ES ZA i SS gt Te ee A H Ss sin F wi Sse Se HH A A A aa oo C HH Ta AHH ms A AH HM oes AD Hi EA i A a HH a eee i Caan ae HH A AA EA fen ee EA An E a pa A E CE wu nao SEE eee eee eee ae BSE RR TIEI PO ad Zoom in and investigatee the fillet surface We will now go on to preparing data for CAD detailing 47 Tutorial Frame Lofting The process of lofting frames and other parts in preparation for CAD detailing can be divided into four sections 48 Cutting Sections Frames bulkheads waterlines and buttock lines are cut from the 3D surface model Marks and Stringers Reference lines are marked on the 3D model for any longitudinal or stringer shape Frame Cutouts Automatically inserts cutouts or notches in frames at marked positions using any cutout shape Export to DXF Available only if you have
148. lates are automatically inserted in the center of the plate All plate edges are also marked ShellExpand Program Steps to Create a Shell Expansion Drawing Plate surfaces or design surfaces Locations for frames buttock lines waterlines Any projection lines used for marking for example longitudinal stringers and plate seams To create a shell expansion drawing 1 a2 PE Open all the hull plates or surfaces It is best if you use the individual plates because the seams and plate names will be marked automatically on the expanded shell drawing Open the Settings window to check the number of transverse sections This number is used to cut equally spaced sections over the entire length of the surfaces It determines the resolution of the expanded lines The larger the number the longer it takes to calculate the shell expansion but the more smooth the resulting lines In practice it is good to try a small number first 1 foot or 300mm between sections to view rough results Then increase the number when you are satisfied with the results Shell Layers No of Transverse Sections 800 Base Line C Water Plane Buttock Plane C Lower Plate Edge Plane location 0 m DXF Output Text Size 160 0 mm Cancel Help Set up the layers to your specification and select the baseline type about which you want to expand Expand the shell The expanded shell will be displayed Save the expanded shell to a DXF file
149. le Use Display Developability in the View menu to show or hide the developability Straight Section Surface These surfaces guarantee that all transverse sections cut through this surface will be straight lines The resulting surface may or may not be developable Most often you will find areas of high twist in the bow or stern region The following color codes are used e Green Developable straight section surface e Yellow Questionable developability e Red Undevelopable LoftSpace Program Straight Section IY Display Developability Cancel Help Display Developability Show the developability of the generated surface The developability is indicated by different line colors e Green Developable e Cyan Slightly warped e Red Undevelopable Project Lines The Project Lines function projects lines on 3D surfaces and generates 3D lines Use this function for example to project a stringer layout onto the hull surface You can design the layout in CAD in 2D plan view and then transfer the polylines using DXF file format Use the project function to get the 3D lines required to generate the internal structure Lines can be projected onto surfaces in three principle directions e XY Plane Projects lines in Plan view e XZ Plane Projects lines in Profile view e YZ Plane Projects lines in Body view To project and generate lines 1 Open the files containing the surfaces and the files containing the lines you want
150. leea Fairing Spline TRANSOM Control Vertes i 4 2538 se 0 8000 al Y gt 5 7270 ad Step 0 1000 m EEE Fairing Spine 0 TRANSOM STN_O STNI STN_2 STN_3 STN_4 STN_5 STN_6 STN_65 E i Hitt i i il W PAN AR WK AN A Y MAA A MUN AAA cI A A A ee dv 0 0020 0 0000 0 0000 0 0000 0 0000 0 0004 0 0000 0 0010 0 0094 0 0007 For Help press F1 0 0000 1 1008 11 5733 m The LinesFairing program provides all the tools necessary for lines fairing and thus creating a 3D surface model which in turn is the basis for all further lofting functions With LinesFairing you can load offset files generated using LoftSpace fair stations generate offsets for longitudinals fair longitudinals create surfaces and check the fairness of the surfaces 134 LinesFairing Program Mathematical Background ShipCAM uses special fourth order B splines for the fairing of stations and longitudinals B splines have many advantages over other spline algorithms A major advantage is local control This means that a change to the control polygon will change the spline locally in the vicinity of the change to the control polygon The next figure shows a control polygon where one control vertex has been moved one unit up Fourth order B splines move two thirds of the distance a control vertex has been moved see below The spline moves one sixth of the distance in the same direction at the loca
151. loaded into the available memory or the NC controller may choke on the rapid sequence of data points As a guideline use these values e mm units Use 0 5 mm or 0 0005 m e inches units Use 1 32 or 1 64 Lofting Units The units used in ShipCAM CAD Units The units used when outputting to DXF files Note ShipCAM will automatically convert the lofting units to CAD units when exporting to DXF CAD units are always mm or inches When using architectural units in AutoCAD FeetAnches Fractions the drawing is in inches but the display is in feet X Coordinate The display direction of the X coordinate World shows X increasing to the right US Reversed shows X increasing to the left Format Text in Feet Check this option when the CAD units are in inches but you want ShipCAM to produce any dimensions in Feet ShipConstructor Tab This tab lets you log on to a ShipConstructor database This link is required if you want to integrate expanded plates into a ShipConstructor model perform weight and CG calculations or use batch mode expansion Use Database Check this box to link ShipCAM to the ShipConstructor database of the project Project Database Lists the database currently in use Use the browse button to change the database file Current user Name of the currently logged in user All ShipConstructor actions are logged under the user name Log On Use this button to log on as a different user Reference Section Proj
152. locks Moves selected blocks by the specified amount Move By A Y Z 0 0000 0 0000 0 0000 mi are Transpose Transpose the lines of a block Only available when a block has the same number of vertices per line Think of a fish net The lines of the fish net cross each other Each crossing is a vertex in a block We can follow our fish net lines horizontally from one crossing vertex to the next one or we can do the same vertically Transposing the lines in a block does nothing more than re arrange the order in which the crossing points are visited horizontally or vertically This function is important when trimming surfaces Reverse Vertices Each line polyline consists of two or more vertices The first vertex is marked by a green cross and the last one by a red cross when the line is selected The vertex number increases from the green to the red cross This function reverses the order of the vertices Reverse Lines Reverses the order of lines of selected blocks For example if you have 11 stations from 0 to 10 use this function to reverse the order from 10 to 0 Mirror Half Breadth Mirrors the block about the centerline You can keep the original block or erase it with the next window that appears The mirrored block has _M attached to the file name LoftSpace br A Keep original lines Scale Scales selected blocks by a specified scaling factor Scale proportionally will use the X scale for all directions eve
153. long center line one on the outside and the other on the inside of the shell plating 67 Tutorial File View Mesh Build Borders Help Su S al gt LLY Ziel pa 29 gt ala elo eles S a A l 3D Min 06 6924 0 4500 4 86663 Esp Min 000000000 PlateStock Min Strain 0 0932 2D Max 89 2436 0450052676 Exp Max 23742 0 9288 Throw Up Max Strain 1 1778 For Help press F1 0 0000 0 0000 0 0000 10 Activate the lower left window and click ES to show the strain map The strain map of the expanded plate appears and shows large areas with high deformation This plate will need some serious shaping 11 Activate the lower right window and click O to show the expanded plate You should now have a display similar to the one above You can now expand any of the U14Unnn MSH plates by just opening the surface and expanding it All of them require the same settings Expanding the Plate with the Bow Thruster Intersection The bow thruster is a simple cylinder that was designed in AutoCAD by drawing two circles at each end These were then imported via LoftSpace and converted into a surface mesh To expand the plate 1 Choose File gt Open Surface and select the file U14U02B MSH Click OK All markings such as frames are recalculated automatically Choose File gt Penetration Surface gt Open select U14BowThruster MSH and click OK The following window appears Select Both for the Intersection Type
154. luding Sections 15 19 shall continue to apply subject to the following provisions a the License pursuant to Section 1 above shall terminate at the end of the specified trial period b the Licensee shall return the Hardware Key to SSI immediately upon expiry of the specified trial period and in any event within 28 days of the expiry of the specified trial period c in the event that the Licensee does not return the Hardware Key in accordance with Section 2B b above SSI shall be entitled to invoice the Licensee for and the Licensee shall pay for the costs of the Hardware Key plus all shipping and handling expenses and SSI administrative charges and d in the event that the Licensee elects to and does acquire a License the terms and conditions of this Agreement excluding Section 2B herein shall continue on and apply J 4 Ownership All rights title and interests in and to the Licensed Materials and related documentation shall remain the sole property of SSI Licensee shall not remove or alter any proprietary rights notices on the Licensed Materials and the documentation and shall reproduce such notices on any copies that it makes Licensee shall be liable for the security of the Licensed Materials and the documentation in its possession Expertise Required Licensee is responsible for evaluating whether the Licensed Materials meets Licensee s requirements and for operating the Licensed Materials and the results obtain
155. m 3 40 Tutorial LoftSpace D WProjects200515C2005Demo ShipCAMidemo SKEG LGS File View Blocks Lines Vertices Tools Planar Sections Help 219 ela 8 Al al all ler olaa aml i else ist ti of wl olla lola all B lalalala el lle H mite el WHY LIN Ll Wy ti E ie A i fd yy ty oe l i y 7 Le LE Of hp HAP EIS lt sll Objects 7 Min 4 5201 0 0000 Mae 31 0795 folds mao For Help press F1 23 5732 0 0000 10 3977 AFT MSH Ln 69 69 Vx 400 Select Blocks gt Trim Pick the intersection line SKEG AFT SIN and press ENTER Pick the skeg surface SKEG DEV and press Enter Use the settings shown below Click Trim Trim Surface 4 After trim lire Pes o An Lancel Reverse Vertices iW Hide the surface being trimmed 6 The two resulting surfaces appear Unload the upper surface and name the trimmed surface SKEGTRIM DEV 41 Tutorial LoftSpace D Projects2005 5C7005Demo ShipCAMidemo SKEG LGS S al al alo ele ollel m M Ple e let eel se lel Al ml xla el ae del 84 o m7 a ll m l ESPIAR A SIA DE we age igi ge ae W MN yy iH o a ES Objects 3 Min 4 6201 For Help press Fi 42 Tutorial LoftSpace D Projects2005 5C7005Demo ShipCAMidemo SKEG LGS File View Blocks Lines Vertices Tools Planar Sections Help ola ale Sl lala ll ele PAPA E MM elele la al sel cal
156. m the origin Y spacing The distance in transverse direction between the rows Y offset The distance in transverse direction that the first pin is from the origin Make Pin ig Calculates the height of the pins and the transverse angle at each pin location The pins are displayed at correct height and the transverse normal vectors are shown at the contact point of each pin with the hull surface Rotate Rotates the plates about any of the three principal axes to orient the plates into the most favorable position The plates are rotated from their original position Rotation of the plates can also be accomplished using the Auto Level function Rotate Plate Rotation about x axis 145 deg Rotation about Y axis 10 deg Cancel Rotation about Z axis 10 deg Shift Plates X and Y to 0 0 1E Shifts the plates horizontally so that the minimum X value and the minimum Y value of the plates will be zero Plates are automatically shifted if the plates are rotated or auto leveled Generate Pin Array on Seams Generates pins so that the pins will be exactly underneath the seams of the plate The function asks you for a location file containing the seam locations Additionally you can specify a maximum width above which an additional pin will be inserted between the pins underneath the plate This ensures proper support of wide plates Export to DXF F Saves the PinJig information to a DXF file The contents of the file are e At
157. n exactly defined location such as a tangent point in a station In general you also break the faired spline at this position Delete Control Vertex X Deletes the current control vertex Insert Control Vertex Inserts a new control vertex halfway between the currently active control vertex and the next control vertex If the current vertex is the last control vertex then the new control vertex will be beyond the last vertex by half the distance to the previous control vertex Redistribute Evenly El Spaces all control vertices evenly along the 3D length of the spline The control vertices are placed so that the spline will be passing through the same points nearest to the new locations By default the window displays the current number of control vertices LinesFairing Program Redistribute equally Enter number of control vertices 10 Cancel The active control vertex must be the first control vertex or a break point The function spaces evenly from the current control vertex to the last control vertex or to the next break point if one exists When to Use Use this function to create smooth splines Often offsets are given at full half and maybe even quarter spacing Using control vertices that change spacing dramatically along the length of the spline makes it impossible to create a smooth faired spline Station offsets are often given on waterlines and buttock lines Thus you can end up with two vertices very clos
158. n if different scales are entered LoftSpace Program scale By x y Z 1 3 1 3 1 3 i Scale proportionally Rotate Rotates selected blocks around the three primary axes The order of rotation about the axes is X axis rotation Y axis rotation and then Z axis rotation Rotate Plate Rotation about axis 30 Ur Rotation about y axis 10 Cancel Rotation about axis 10 Sort Lines Lets you manually sort the lines in a block The logical order of the lines within a block is important if the block represents a surface For example you might assemble a surface by extracting lines from adjacent surfaces The resulting surface might consist of lines that are not in the correct order that is stations that are out of sequence 1 Choose Blocks gt Sort Lines 2 Pick the first line and press Enter The color of the first sorted line changes 3 Pick the next line using the arrow keys do not use the mouse to pick to step through the lines Press Enter 4 Repeat until all the lines are sorted Automatically Sort Lines Sorts lines by comparing the distances between the vertices on each line Trim Trims selected blocks to selected cut lines ShipCAM can only detect one intersection per line 1 Choose Blocks gt Trim 2 The command line in the lower left display border reads Select cutting lines then press enter 3 Select the cutting lines The cutting lines and the lines of the block should cross each o
159. n problems 91 network license server 90 lines menu LoftSpace 113 LinesFairing 59 94 134 location file editing 22 location file format 201 LoftSpace 27 31 48 59 68 90 92 97 106 111 118 120 130 134 152 54 159 163 194 basics 27 Context Menu 98 file menu 99 longitudinals 141 M mesh lines 110 mesh menu PlateExpand 164 mirror half breadth 108 N NURBS 102 NURBS 3 nverse bending create stringers 189 O oblique 132 offset editor 117 when to use 117 offsets create 198 line 136 table 196 text editor 197 offsets menu 196 opening files window 7 other file formats 201 p parallelity 38 122 Pinjig 190 general tab 192 pin layout tab 192 PinJig toolbar 190 PinJigs 80 create 194 planar sections 129 planar sections toolbar 130 plane menu StringerCutouts 155 plate expansion drawing 177 plate stock settings 112 PlateExpand 112 160 177 DXF tab 172 general tab 165 layers tab 175 stock tab 171 templates tab 171 porcupine 132 curvature 148 scale 147 section 147 Slope 148 spline 147 porcupine 16 preferences window 107 Printing 82 PrintOffsets 82 195 PrintOffsets toolbar 195 project file 200 project lines 123 project settings window 87 project settings tab 88 ShipConstructor tab 88 projection menu StringerCutouts 156 projects 4 86 hard chine vessel 93 new 86 open 87 project settings 87 properties bar 163 R recalculate sections 144 reference 86 refere
160. nce to delete vertices below 0 0001 Exchange Coordinates Lets you switch coordinates Select the blocks you want to exchange coordinates and press Enter The Exchange Coordinate window lets you set which coordinates to switch 111 LoftSpace Program 112 Exchange Coordinates Exchange f Length lt gt Half Breadth lt gt r Cancel C Length lt gt Height e lt gt 2 C Half Breadth lt gt Height Y lt gt Z Smooth Fans When generating developable surfaces conical shapes can result with the apex of the cone at the plate edge This is represented by several ruling lines that come together at one point see next figure This can cause problems when filleting and offsetting and can cause jagged sections if several of these follow in sequence This function moves the vertices of ruling lines a small distance along the edge of the plate see second figure Z ZN Connect Lines Connects two lines If the end of the first line does not meet the end of the second line you have a choice of connecting the shortest end points of the end of the first line to the start of the second line Plate Stock Settings Lets you set the plate stock for one or more plates You have to use this feature if you want to calculate the weight and center of gravity CG and if you want to use the multiple plate expand option in the PlateExpand program Consider the following display Several plates are loaded into LoftS
161. nces menu LinesFairing 140 rotate 109 round bilge hulls multiple surface 95 single surface 94 S select objects 97 settings toolbar 146 settings window DXF settings tab 65 general settings tab 63 layers settings tab 65 stock settings tab 64 shell expansion 70 shell expansion drawing 183 ShellExpand 178 shell tab 181 sideline deck 126 smooth fans 112 sort lines 109 spacing 131 193 spline edit toolbar 144 split window 10 stations 108 9 Straight 145 straightening stations 15 strain map 176 StringerCutouts 77 149 stringers bottom 53 inverse bending 78 189 mark bottom 51 side 55 Surface B spline 121 143 cross Spline 33 120 142 deck 43 125 developable 36 122 142 generate 31 119 120 generation wizard 34 intersect 39 124 offset 128 remove 144 setup 141 straight section 122 143 stringer 153 trim 40 y text editor 197 tools menu LoftSpace 117 trim 109 Trimming 110 11 115 troubleshooting Pinjig 194 PlateExpand 177 ShellExpand 184 StringerCutouts 159 Index V vertices remove below tolerance 111 reverse 108 114 116 thin 116 vertices menu LoftSpace 116 view menu InverseBend 186 LinesFairing 137 PlateExpand 163 ShellExpand 180 views 9 10 multiple views 10 remove multiple 12 viewpoint 9 Views 77 115 W weights 72
162. ng StrinGers cscecssssssssrsssssssrssrsssssssrsersessesersoesassesersersassesersansessesersansessesersansessesarsansesersensansesensansates 78 A A O 80 O 82 Conga laos iia 85 Reference Section 86 ad 86 EM iad 06 O eee ren ree 86 open PTOJECE asec ech rt ac cea eda ati he ec chan ac aaa aaa aati 87 P OJSC S CLS intranet iia 87 COIN 89 CONTIGUA ON Srs Ad 89 Ereateza Modified Pro elas 92 A A A A 93 A ANO 93 Singie sullace Rond Bilge HUNS arrienda IEA EA EN lo 94 M ltiple Surate Round Blesa ica 95 LoftSpace Program 97 General Feat 97 Selecta OBJECTS available 97 BIOCKS WIN arar A 97 SP AE E AAA AA AEA NAA A A A AA AA AAA AA AA AA ee 98 MM arta 99 open SNIDCAM A A A Ruad O 99 MPO DAF Ala 101 MPOC IDEF A RNA 102 Tag ote all GE SFIS aria dd 103 Group VISIDIO BIO ircre e alerce 104 SAVE COMPICSSCO sanera AE AANA 104 EDO DXF Flle iarere A eto A a O 105 FE POOF UD rana A A nicked is A AAA 105 EPOE Oia 106 Prefere 916 10 OEP OO 0 a a e a O ibe intbe ds alibi Bineibc Bia Dl ice BaaiuiBaineDientd 107 O NN 107 BIOCKS Mera 107 a A o e A A A AE AN A 107 A O 107 CCAS APP Co A A o o o O E E A A A A A 108 SCO PEPA PATE AE E A E E A A o gu A oe E T E 108 Trans OS O 108 A nnna O e 108 a OPA PO RO CO E A 108 IA RN 108 SEAE a AA sacas cutee ese se usta coe eae A em AA AA AAAA 108 FO CMS OPA Oo o A o Balen Bates Wet bo oo a oa nedneastieetee 109 SOTELO A POP EE O A E e Oe E PU o O o O PE PO EAO 109 Automatically SOMUNeS oa a s 109 RN 109 M
163. nger Surface Ao ZOO 55r 2 21 57TR 10582 Stinger Surface Ao Ue EA SH 5TR 105650 Stinger Surface AREA LO Sb 31 5TA 10582 Stinger Surface Ao e002 55r 4H S5STR 10550 Stringer Surface Ao eOe Bar 47 5TR 10662 Stringer Surface Ao 2002 55r BH 5 TA 10580 Stringer Surface Ao Oe 5 573 5T 5TA 10582 Stinger Surface Ao 2002 5 573 ZINFETA 1 70H Te FIR Cirinaar nrbara E ES Filename SIDESTR_1_70H 4 Files of type E Compatible Files Lancel 153 StringerCutouts Program 154 Save Plate Marks Saves the contact lines foot points of the stringers with the plates The plate marks obtain the names of the location used to generate the marks These marks are handy references to be used in LoftSpace when laying out seams and are also used in ShellExpand to create shell expansions with the stringers marked Open Cutout Marks Opens frame marks files that have been saved using Save Cutout Marks Used for insertion into the frames with cutouts Open Frames with Cutouts Opens frames that already had cutouts previously inserted Use this when you decide to add more cutouts to frames Save Frames with Cutouts Saves frames with cutouts This is a special file type that includes the definition of the cutouts ShipCAM does not normally save this type of file Note Only StringerCutouts can read this file type Mark Options Allows modification of the size and orientation of the stringers Options Window Options S
164. ntaining the lines to project Profile Projection Marks frames by projecting lines in profile view onto the frames The frames are marked where the projection lines intersect the frames in profile view The function asks you to select files containing the lines to project Body Projection Marks frames by projecting lines in body view onto the frames The frames are marked where the projection lines intersect the frames in body view The function asks you to select files containing the lines to project Cutouts Menu Open Cutouts Open cutout file Directory E Frojects200555 C20050 emos hip CAM StringerCutouts Program Modified CUT1 27 DF CUT 154 DF CUTMSHL DF STATIONS DF 1117P00 01 lt F 111P02 DF LIT POs OF U1 P04 DF U11P05 02F U11P06 DF MPa ME 1473 1481 633 62957 54659 61556 2000 pa E 135835 E4775 101810 DF File DF File DF File DF File DF File DF File DF File DF File DF File OF File ME Fila 11 2 1995 1 40 1 117271995 1 38 35 11421995 1 25 02 1171071995 254 573172002 3 31 17 94312002 3 31 71 573172002 3 91 71 34312002 3 31 17 573172002 9 31 2 Bratr 2002 9 31 2 EXA Sons 9 07 Files of type 7 Compatible Files New Group Group Edit Cancel O Opens the 2D DXF file containing the shape and dimensions of the nominal cutout The cutout file must conform to the following guidelines e The cutout shape is a polyline that can consist of
165. o so SSI shall be entitled to place time lock devices and other disabling features in the Licensed Materials that become effective in the event that the Licensee has failed to comply with its payment obligations hereunder and as set out in SSI Invoices 24 Effect of Termination Upon termination of this Agreement Licensee shall immediately cease using the Licensed Materials and within 14 days of termination return all Hardware Keys to SSI 25 CONSEQUENTIAL DAMAGES IN NO EVENT SHALL SSI BE LIABLE FOR ANY LOSS OF DATA OR PROFITS ECONOMIC LOSS OR SPECIAL INDIRECT INCIDENTAL CONSEQUENTIAL OR PUNITIVE DAMAGES WITH RESPECT TO THIS AGREEMENT OR THE LICENSED MATERIALS HOWEVER CAUSED EVEN IF SSI HAD OR SHOULD HAVE HAD ANY KNOWLEDGE OF THE POSSIBILITY OF SUCH DAMAGES 26 DAMAGES LIMITATION THE MAXIMUM LIABILITY OF SSI FOR ALL CLAIMS AND DAMAGES OF ANY KIND WHETHER FOR FUNDAMENTAL BREACH OR ANY OTHER CAUSE UNDER THIS AGREEMENT SHALL BE LIMITED IN THE AGGREGATE TO THE TOTAL OF ALL FEES PAID BY LICENSEE 27 LIMITATION OF NON APPLICABILITY IN SOME JURISDICTIONS THE EXCLUSION OR LIMITATION OF WARRANTIES OR LIABILITY MAY NOT BE APPLICABLE AND IN SUCH JURISDICTIONS SSI HEREBY LIMITS ITS LIABILITY TO THE FULLEST EXTENT PERMITTED BY LAW 28 Applicable Law This Agreement shall be subject to and construed in accordance with the laws of the Province of British Columbia Canada excluding its conflict of laws rules and the application of the UN Conv
166. ocations Locations oem shee Boo FRB Tutorial Enter 10 for the number of intersection planes Click OK In the WTEST LOC editing window enter 1 5 for the first waterline location and 1 75 for the second waterline location With the second location highlighted press the Apply current spacing to remaining locations button El You should see a display as shown below Click Save Waterlines are calculated and displayed You can now use this file any time that you want to calculate waterlines at these locations 23 Tutorial 24 ie ae a AB _ E E oe ne l f r mi 10 col sy on on co p 2 0000 O Saves Tutorial LinesF airing D Projects200515C2005DemoShipCAMidemo AFT LGO File View References Help Sia S S ale sitll of al Badal ele 0191919 ll bel SS IS e191 ce eel axla xla Fairing Spline Control Vertex 4 ka l6 e a LG TT Phe ae ak LUT nee heal T MS EZ AE 124 04 HE ETE y SR AA p a A E A EN AA Fiai i 5 5643 0 0000 5 3402 m 4 Use the buttons for Previous cut section and Next cut section t to step through the waterlines until the one nearest to the active vertex is highlighted EX to synchronize zoom scale and active vertex centering between the views You should see a view as shown below Observe that the waterlines just as the frame near the change in the longitudinal are
167. of rise in the deck at its widest point as specified by half breadth value Half Breadth The half breadth at the position where the camber is determined Initially shows maximum half breadth when sideline deck is chosen Should be greater than or equal to the maximum half breadth In general the camber board is defined to a specific width Use the value from the lines plan Angle of Slope The angle of the sloping plate in a flat and slope deck Generate Full Breadth Deck Flag to indicate you want to create a deck that is mirrored across the centerline The result is one single surface for port and starboard side How to Create a Sideline Deck A sideline deck is generated from a faired longitudinal on the side of the hull The following procedure outlines the steps involved in generating a sideline deck To generate a sideline deck 1 Make sure the file containing the deck s side edge is loaded in LoftSpace 2 Select Tools gt Deck Surface gt Sideline Deck 3 Pick the side edge and press Enter 4 The Deck Options window appears Deck Options Deck style Sine curve Cancel Number of Lines 25 Camber 6 m paar Half Breadth 29 427 m us a V Generate Full Breadth Deck 5 6 LoftSpace Program Select the style of deck you want to generate and enter the parameters used by that style of deck Click OK The generated deck appears How to Create a Centerline Deck A centerline deck is generated f
168. ogram Fairing stations and longitudinals is the most time consuming and skill demanding part of the lofting process Much time can be saved if the vessel was designed with a hull design program such as FastShip AutoShip MaxSurf BaseLine or others Surfaces longitudinals or any other geometry can be imported into ShipCAM ShipCAM provides a direct interface to FastShip using the IDF file format in the form of surface meshes or NURBS surfaces ShipCAM can also import any surface mesh that is in the form of a DXF polymesh surface Another popular file format supported by ShipCAM is the IGES 128 format for NURBS type surface descriptions Data can be imported at several different stages of the fairing process e Import a 2D body plan of stations The stations would then be moved to their true location in the X direction Use the data to start fairing e Import the faired longitudinals and knuckles These can be used directly to generate surfaces e Import the surface meshes e Import IGES 128 NURBS Selecting Commands For the demo all commands that you will perform are numbered as shown below The menu item that starts the command is listed in bold text and menus are separated by an arrow The button shortcut appears after the menu command Example To select Open from the File menu is shown as below 1 Select File gt Open or click Download Demo Project The following tutorial requires demo data which is available on the web
169. om 0 to 100 percent LoftSpace Program e At Distances Prompts you to pick a location file in which you specify values that you want to calculate new vertices on each 3D line at The distances are measured on the 3D length of each line The function will always include the first and the last vertex on each line Outlines Generate the four edges or outlines of a surface to a new block This function is useful after trimming the design surfaces of the hull into individual plates Using this function you get all plate edges which can be exported to CAD for plotting in three 2D views or 3D Also use this function in preparation for shell expansion drawings The plate edges can be projected onto the expanded sections to create a shell expansion drawing with all seams and butts You can choose to keep the four edges as separate lines or have LoftSpace join them for you LoftSpace 2 Join the 4 outlines of each surface Remove Vertices Below Tolerance Removes vertices below a chord tolerance ShipCAM removes vertices using the following algorithm If the Chord Distance 1 is greater than the tolerance then Vertex 2 is not removed Otherwise if the Chord Distance 1 is less than the specified tolerance the Chord Distances 2 and 3 are checked If the larger distance is less than the output tolerance then Vertices 2 and 3 are removed 2 LE Chord Dist 1 1 ae 3 etn Chord Dist 3 Ll Remove Vertices Enter the chordal tolera
170. om two plate edge lines Developable means that the complete surface can be expanded into 2D by rolling the plate from 3D to 2D Developable Parallelity 5 5200 Ruled Surface Max Dev twist angle 5 Reverse Vertices Display Developability Help Parallelity Parameter used to define the parallelity of the rule lines in the developable surface Values can range between 0 and 200 The ruling lines are calculated by determining the best ruling line beginning at the starting boundary ruling line Values for Parallelity 0 4 Low parallelity Can cause the ruling lines to form fans 5 20 Medium parallelity Fan development is somewhat suppressed 21 199 High parallelity 200 Ruled surface Max Dev twist angle The twist angle is the angle between the two surface tangent vectors at both ends of a ruling line The maximum twist angle is the angle below which the surface is considered to be developable blue ruling lines and above which the surface is considered non developable green ruling lines Angles between 1 and 6 degrees deliver practical results Reverse Vertices Reverse the order of vertices of the lines used to generate the surface The lines used to generate the surface are returned to their original order when the surface is generated Display Developability Show the developability of the generated surface The developability is indicated by different line colors Green Developable Red Undevelopab
171. on all subsequently loaded surfaces Profile Projection Lines gt Open Projects any 2D or 3D lines onto the plate in profile view Use this function mainly to project stringers onto the surfaces Plan Projection Lines gt Open Projects any 2D or 3D lines onto the plate in plan view Use this function mainly to project stringers onto the surfaces Body Projection Lines gt Open Projects any 2D or 3D lines onto the plate in body view Use this function mainly to project stringers onto the surfaces Oblique Plane An oblique plane defined by one of three options two points and a plane a point an angle and a plane or three points is intersected with the surface to expand The resulting intersection lines are displayed Penetration Surface gt Open Intersects a selected surface with the surface to expand The resulting intersection lines appear Remove Removes any sections projections or references PlateExpand Program View Menu Profile Ctrl F2 Plan Ctrl F3 v Body Ctrl F4 Viewpoint Set Viewpoint Zoom Window Zoom All Zoom In Zoom Out Toolbars gt IN y Standard Colors v View v Properties Bar Split Window Colors Colors Attribute Mesh Frames Buttocks WW aberlines Plate Lett Edge Plate Aight Edge Plate Top Edge Plate Bottom Edge Plate edge Stock Plan Projection Profile Projection ci eb I ODAS A JTOOOA AA A O D aD A A Display the Colors window to control the color and visibilit
172. ons The surface mesh consists of the coordinate triplets of all surface mesh points in 3D space The vertices are connected by straight elements in longitudinal and transverse direction Generally a mesh surface consists of 10 to several hundred lines and 100 to more than 1000 vertices The surface mesh is generated by CROSS SPLINE or B SPLINE SURFACE The STRAIGHT SECTION SURFACE module is under certain conditions also used to produce a surface mesh 2 Developable Surface DEV file is used for developable surfaces It consists of the coordinate triplets of both end points of the ruling lines The surface consists of a high number of straight lines several hundred to over one thousand that are given by two end points each Additional information about developability is stored in the file format Ship hulls can consist of just one surface or a number of surfaces Sometimes two adjacent surface plates share a common plate edge longitudinal For example the bottom plate and the side plate may share a chine line as a common plate edge or a forecastle may share the lower plate edge with a forward section of the upper edge of the side plate Developable and straight section surfaces are always calculated from the plate edge information only For example the plate edges can be given by the following combinations e The fairbody and the chine line for a bottom plate e The chine and sheer line for a side plate e The bottom and top edge of a kee
173. ontrol a beveling capable NC cutting machine DXF Output Text Size The height of the text in the 2D DXF drawing in output units Output Tolerance Reduces the number of vertices on near straight segments of the frames See Blocks Menu page 107 for details on this option Troubleshooting Problem Stringers twist unexpectedly at certain frames For example all of a sudden the stiffener switches from the inside to the outside of the frame or for the proportional girth option it jumps up and down the frames Solution Using LoftSpace check the direction of the frames to make sure they are all going in the same direction If they are not correct them by reversing the vertices of the misdirected frames Problem Inserting semicircular cutouts does not generate the expected results Solution Divide the 1802 arc into two 902 arcs ShipCAM does not trim correctly if one element intersects the frame on both sides of a cutout 159 PlateExpand Program PlateExpand Program d PlateExpand D Projects2005 5C2005Demo ShipCAMidemo U12P05 MSH Ea File View Mesh Build Borders Help Sa S a gt b ill AIS PARA cala OLB sl a LLLA LOS SAA AT PIS zi 30 Min 69 4100 4 7591 0 5032 Exp Mir 0 0000 0 0000 Plate Stock PL12 Min Strain D 30 Max 75 3500 6 4409 1 4000 Exp Max 6 0931 1 1095 Throw Port blas Strain 0 08044 For Help press Fl 0 0000 6 4891 125 2863 After the 3D surface model generation i
174. onvert and then click Open Next enter the number of vertices in the MSH file in the U direction The default value should be a good value to use The number is the Resolution Factor in this case 10 multiplied by the number of control points in the U direction If you select Prompt for each surface then you can specify the number of vertices in U and V directions separately IGES Import Options Resolution Factor 10 Cancel _ Prompt for each surface 5 The Save As window appears 103 LoftSpace Program Save As a 14FLTSID MSH 3 15FCSTL MSH E LOFLTETM MSH 33DKFCST MSH E 114FT M5H E 305302 msh E 126L6 M5H E 305303 msh E 13FwD MSH E 305304 msh bale File name HU LLO1 msh Save as type ShipCAM Mesh Files msh 6 Save the mesh to your ShipCAM project folder A name is given by default that lets you quickly finish if you have multiple surfaces in the file 7 The resulting ShipCAM surfaces are not trimmed Group Visible Blocks Groups the names of all visible blocks into a GRP group file This lets you open the same files simply by selecting the group file Use this for example to group the plates of a construction unit together The group file stores only the file names no actual data save Group file Directory D Wioieetec00 S C2005D sInOhSHECAM i eae Type desiomsurs GRP Group File LINES GAP Group File stringer GAP Group File Me GAP Group File Modified
175. or the folder you want to use and select the SCP file in that folder ShipCAM reads the project settings from the SCP file and will only list the files in this folder when opening a data file Look in C9 ShipCAM drawings plates E demo SCP ShipCAM Project Files SCP Project Settings The project settings can be modified from any ShipCAM program module The following window shows the settings that are used for all modules To open the project settings window 1 Choose File gt Project gt Project Settings The window provides two tabs to access the data 87 Reference Section 88 Project Settings Project Settings shipConstructor Output Path DAProjects 2005 5C 2005Demo 5hipCAM XCoordinate Loting Units Mees Word US Reversed CAD Units Millimeters Output Tolerance 0 0001 m Cancel Project Settings Tab Output Path Destination folder of all DXF file output Output Tolerance During export to DXF format ShipCAM will test the distance between data points on polylines If they fall within this tolerance they are removed This greatly reduces the number of points on a polyline which reduces file size speeds up display and most importantly reduces potential problems while NC cutting If points are too close together there may be too much data for the cutting machine and the NC program may not be able to be
176. ou have a slow computer or to get the initial fairing approximately right Later in the fairing use one of the other options settings Long Msh Lng Cross Spin Dev B Spline Straht Sect Vertices Spline Bo Number of Spline vertices between control vertices 10 Cancel Surface Setup gt Meshed Longitudinals This option is similar to the Longitudinals option However a mesh is created first and the sections are calculated by intersecting with the mesh lines This option creates a much better section especially when intersecting along the faired splines rather than across them For example cutting waterlines on faired longitudinals is better using this option 141 LinesFairing Program However this option does not calculate a smooth surface between the longitudinals Use one of the other four options to judge the final fairing Settings Long Msh Lng Cross Spin Dev B Spline Strght Sect Vertices Spline 200 Surface Setup gt Cross Spline Surface This option calculates a cross spline surface This is the best option when fairing a round bilge hull and matching an offset table closely See LoftSpace page 27 for an explanation of the cross spline surface Settings Long Msh Lng Cross Spin Dey 8 Spline Strght Sect First Line TRANSOM Intemedite Lines m First Vertex li Last Vertex 20 Number of Spline vertices between control vertices 10
177. owing geometry onto the expanded section drawing e Frame lines e Buttock lines e Waterlines e Profile Projections e Plan Projections e Body Projections e Oblique Planes e Surface Penetrations 178 ShellExpand Program File Menu Open Shell Surfaces Frame Line Locations gt Waterline Locations Buttock Line Locations gt gt Open Profile Projection Lines gt Remove Plan Projection Lines Body Projection Lines Oblique Plane y Truwo Points Penetration Surface Three Points Clear All Lines Point amp Angle Remove Project Print Ctrl P Open Print Preview Remove Print Setup New Project Open Project Project Settings Exit 1 C Projects200515C2005DemoShipCAMidemo Open Shell Surface Displays a window to open the shell surfaces that will be used for the shell expansion The program will later cut closely Spaced sections through the surfaces for the expansion process Frame Line Locations Loads the selected location file with the locations of the frame lines and calculates the lines for the loaded hull surface Waterline Locations Loads the selected location file with the locations of the waterlines and calculates the lines for the loaded hull surface Buttock Line Locations Loads the selected location file with the locations of the buttock lines and calculates the lines for the loaded hull surface Profile Projection Lines Projects any 2D or 3D lines onto the plate in
178. pace None of the plates has a plate stock throw direction or extra stock material assigned LoftSpace therefore cannot determine weight and CG nor can PlateExpand expand all of these plates in a single batch operation This would require the information for the expansion process to be included in the DXF output file LoftSpace Program Mame er O in Dese Sk aL U12P00 MSH U12P02MSH U12P03MSH X U12P04 MSH o o o 36 U12P05 MSH 36 U12P06 MSH 36 U12P07 MSH 3 U12P08 MSH X U12P09 MSH III EES EES EES EE EE gt o0000000 sspppppp Slololololalao 0000000000 1 Choose Blocks gt Plate Stock Settings In the display window select plates 00 through 05 and press Enter 2 Inthe Add Stock Info window select the Stock PL12 set the Throw direction to Down and ask for an extra 25 mm of material 0 025m on the right forward side of the plates Click OK Add Stock Info Maternal ar cine OQ oo y ee ee Thickness 12 Bottom 0 0000 Cancel 3 Observe the settings for plates 00 through 05 in the Blocks window The Throw setting for plate 05 indicates Starboard LoftSpace uses the main direction of a curved plate as the direction indicator For the bottom plates selecting Down was fine However this does not work for plate 05 LoftSpace used the default Starboard which is not what we want Use Blocks gt Plate Stock Settings for plate 05 only and adjust the Throw to Port 3 U12P00 MSH 3 U12
179. panded plate should be rolled along the roll lines when forming it Select View gt Split Window and set up views similar to the ones shown below Right now you have only the plate loaded The other items will follow To create frames select File gt Frame Line Locations gt Open and select the file FRAMES LOC Click OK Click No The frames are calculated and displayed Select Files gt Waterline Locations gt Open and select the file WATER LOC Click OK Click No The waterlines are calculated and displayed Select File gt Buttock Line Locations gt Open and select the file BUTTOCK LOC Click OK Click No The buttocks are calculated and displayed Select File gt Profile Projection Lines gt Open select the files STR_SIDE PMK and STR_TTOP PMK and click OK These are the side stringers and the tank top Select File gt References gt Open and select the file U12 OUT Click OK These are the outlines of all plates in unit 12 10 11 12 13 Tutorial File View Mesh Build Borders Help al S el gt Rallo ZIG olele 3 ala lalola ele SIF LLY LD pp 7 ES 3D Min 69 4100 4 7591 0 5032 Exp Min 0 0 0 0 Plate Stock foe Min Strain Goz 3D Max 75 3500 6 4409 14000 Exp Max OO OO Throw P ti Mas Shar OZ For Help press F1 0 0000 4 8536 115 7808 fn You might want to zoom out in some of the views to see how the plate is located within this construction unit At the bottom of the program window
180. parabolic shape function Flat and Slope A deck with a flat center and sloping sides is generated The width of the flat center and the slope angle can be modified Faired Camber Board The deck camber is defined by a faired station spline Use the LinesFairing to fair the camber board Make sure that the outside of the board is at least as wide as the widest point of the deck The outside point has to be at a vertical location or 0 while the center point has to be at a Y of 0 Use the figure below as a guide for the design of the camber board Save the camber board as an STS station spline file 125 LoftSpace Program 126 end point must have y 0 Camber line musl extend pasi the widest point of the deck end point must have 70 0 gt 0 Y Important The first vertex on the camber board has to be the outside point the last vertex has to be the one at the centerline Deck Options Window The options for each type of deck are entered using the Deck Options window Deck Options Deck style Sine curve fue i E Number of Lines 25 Cancel Camber 6 m Half Breadth 29 427 m Li V Generate Full Breadth Deck Number of Lines The number of longitudinal lines that will be created in the deck surface This number determines how fine or coarse your frame sections will be for NC cutting A good guideline is to have about 1 vertex for every 3 mm or 1 8 inch in camber height Camber Amount
181. pen Frame Knuckles Opens frame knuckles FKN for formatted printing Open Design Offsets Opens design offset files LGO STO for formatted printing of the offsets Save Offsets Saves the offset table to an ASCII text file The file is formatted with spaces to align columns Offsets Menu 196 Construct Offset Table EL Builds the table of offsets A location file may need to be selected depending on the type of offsets you want to make When the offsets are generated the table is shown as a print preview Click Close to end the print preview You can now save the offsets to file using File gt Save Offsets PrintOffsets Module BE PrintOffsets D Projects2005 SC2005Demo ShipCAM demo HULL E EX Zoom In Zoom But Close FRAMELINE OFFSETS ON WATERPLAMES PROJECT demo DATE dim 11 05 04 UNITS METERS FILES HULL FRM Location H FE 4 2 6400 En ma cs hi ha 536 561 8757 m 4 om En E ri yn en mi 5 m m WL 10 2500 10 2500 aan Location WL 0 5000 WL 1 2500 WL 7 0000 WL 7500 WL 3 5000 WL 4 2500 WL 5 0000 WL 5 7500 WL 6 5000 WL 7 2500 WL_8 0000 WL_8 7500 WL 5 5000 WL 10 2500 Location Open Offsets in Text Editor Creates a temporary file containing the table of offsets and opens them in your editor specified in the options Use this function only after you have run the Construct Offset Table function 197 PrintOffsets Module
182. project C ShipCAMDemo Demo should be loaded as shown in the title bar If this is not the case you need to change this now to the Demo project directory Tutorial LinesFairing D Projects2005 SC2005Demo ShipCAM demo Sele I ere F a s H xo eee Rea a Fairing Spline Control Vertex To change the project only if the demo project is not the current project 1 Choose File gt Project gt Open Project Tutorial Mew Project Project Open Project Project Settings Print Ctrl P Print Preview Print Setup 1D Projects2005 5C2005Demo ShipCAM demo 1 HULL STO Exit 2 The file Open window appears Select the folder CA ShipCAMDemo Demo located where you extracted the demo data and open the file Demo SCP Files of type ShipCAM Project Files 5CP You are now ready to access the demo project files from any program module You can rearrange the docking windows on the left to better use the screen space Tutorial LinesFPairing D Projects 005 5C 005Demo ShipCAM demo File View References Help aul el el ale Bicol TEE ale el lel Olaleie dgl lt gt el TS AIP esl el fo clic eal fm 5D 34 4 slot 20 vel Fairing Spline Control Vertex 0 100 y 10 0 Shep 0 17000 m Faring Spline On Open offset file Directory D Frojecte200555 020050 emos hipLAM AFT LGO Longitudinal Offs 10 31 1995 11 00
183. r left window displays a body view of the unexpanded 3D plate with templates and the outlines of all plates in this unit The upper right window shows the forming templates The lower left window shows the expanded plate with the strain map superimposed and the lower right window shows the expanded plate with all markings inside a stock plate Tutorial ajaja File View Mesh Build Borders Help 08 Al lie elo eeel old el olal es al ee ee E ee O OUT DIAL Oy SETI TN A YA a ey a One PSEA SALT Plate Stock IPL12 7 Min Strain 0 4 30 Min 69 4100 4 7591 0 5032 Exp Min 0 0000 0 0000 Throw Port bas Strain 0 0804 0 0000 6 4891 125 2863 30 Max 75 3500 6 4409 1 4000 Esp Max 6 0937 1 1095 as Help press Fl We will now explain in brief some of the settings in the expand Settings window Some are explained later in detail during the examples General Settings Stretch Expanded Plate Select Build gt Options or click B to bring up the Settings window 63 Tutorial 64 settings General Stock Templates DXF Layers 4 Generate Roll Lines I Display Mesh Cross Lines Open as Bow Fashion I Offset to Neutral Axis 4 Rotate Expansion to Smallest Rectangle Strain Scale 1 M Stretch Expanded Flate None f Min Strain Zero C Max Strain Zero Scale X a Y i Sai None Use this when you do not want to correct any expansion due to compound curvature in th
184. rest We hope we were successful in providing you with enough information to evaluate our system As with most software the first experience can seem a little intimidating It would be nearly impossible to show all of the features of ShipCAM here If you feel that there are important functions that you require please do not hesitate to contact ShipConstructor and ask if ShipCAM already has the particular capability or if it is planned as a future enhancement 85 Reference Section Reference Section Projects 86 This first part of the reference section deals with ShipCAM concepts such as setting up projects and how to deal with hard chine and round bilge vessels The second part of this section deals with the commands of the individual modules A ShipCAM project consists of all files for one hull All files belonging to a ShipCAM project are stored in one single folder on your hard disk Every project must have a project settings file which stores common information to the project It has the extension SCP These settings include lofting units CAD units and so on See the Appendix for details about the project file Each ShipCAM program module has a Project menu in the File menu This is the menu you use for many procedures e Create a new project e Open a project e Change the project settings e Create a modified project New Project The New Project function creates a new empty folder for the new project and creates a projec
185. rface Properties window lists the main properties of the selected item Click Cancel 30 Tutorial surface Properties Cancel 10 Vertices ka Y Z Minimum 4 6200 0 0000 0 0000 m Maximum 80 4749 6 6000 5 9035 m Thickness 0 Area 241 8725 5 To unload all data select Blocks gt Unload gt Unload All or click x Click OK Surface Generation You can generate the following types of surface with LoftSpace Cross spline surface B spline fitted surface Developable surface Straight section surface All surfaces are created from faired longitudinal splines which are represented as polylines In preparation to create some hull surfaces we load all required longitudinal splines into LoftSpace To load longintudinal splines to LoftSpace 1 Select Files gt Open ShipCAM File or click 5 and select File of Type Longitudinal Splines Files lgs then click on the files AFT LGS FORWARD LGS and SKEG LGS Hold down the Ctrl key to select multiple files 31 Tutorial 32 Open surface files Directory Boren SE ae ene EEN E Type Modified AFT LGS 186164 Longitudinal Spi 1073171995 11 00 DECKS LOGS 9657 Longitudinal Spl 11787 1995 42 5 FESTDEW LES 9765 Longitudinal Spl 1141995 143 FESTLOECE LES 3123 Longitudinal Spl 13141997 403 3 FOR ARO LES 304949 Longitudinal Spl 117 2871995 11 21 SKEG LGS 6285 Longitudinal Spl 11141995 2 41 5 SKEGSMPL LGS 3112 Longi
186. rmit any third party to use the Licensed Materials and j thoroughly test any and all custom interfaces in accordance with general engineering principles 6 Delivery and Installation All Licensed Materials will be delivered in an electronic format by media or method as SSI may elect and will be sent to the Licensee s 8 9 designated email address or shipping address as specified in the Invoice Licensee agrees to be responsible for installation of the Licensed Materials Term of License The License term commences on the delivery of the Licensed Materials to the Licensee and subject to Section 2B above is either perpetual if so requested on the Order or on a month to month rental or lease basis If Licensee chooses a lease option the license converts to a perpetual term on Licensee s payment of the balance of the perpetual License fee prior monthly payments receiving 80 credit All Licenses are subject to termination in accordance with this Agreement System Configuration Operation of the Licensed Materials requires use of the specified System Configuration which Licensee shall acquire and implement SSI Shall not be responsible for any operational problems caused by the System Configuration Security The Licensed Materials includes security elements which support the detection of unauthorized use or copying of the software and which may a report such unauthorized use or copying to the Licensee and b if applicable b
187. rom a deck centerline and one or more side surface of the hull The program automatically finds the intersection with the side surfaces and trims the camber board To generate a centerline deck oP oe ae EA O Make sure the centerline and all required side surfaces are loaded into LoftSpace Select a viewpoint so that the centerline and the side surfaces can be easily selected Select Tools gt Deck Surface gt Centerline Deck Pick the centerline and press Enter Pick the side surfaces and press Enter The Deck Options window appears Deck Options Deck style Sine curve i C Number of Lines 25 Canca 6 Camber m Half Breadth 29 427 m y V Generate Full Breadth Deck Select the style of deck you want to generate and enter the parameters used by that style of deck Click OK The generated deck appears Note The vertices on the deck centerline determine which locations the camber board will use to calculate the deck surface The centerline should be a faired spline with vertices spaced closely enough so that the side of the deck fits well In the example below the first deck surface was created from a centerline that was too coarse in the forward section of the deck The second figure shows the deck surface much improved In general you want to have the deck camber boards spaced closer together in the bow area or anywhere else where the intersection of the deck with the side surfaces is highly curved in plan view U
188. rong side of the plates Solution Try reversing the order of the lines on the plates 194 PrintOffsets Module PrintOffsets Module The PrintOffsets module lets you generate a table of offsets for buttock lines waterlines longitudinal lines frame lines frame knuckles and design offsets Toolbars Offsets ES d elal S El Lx E Save Offset Table Al Print Preview S Print amp Change Font d Options Ell Construct Offset Table Open Offsets in Text Editor 195 PrintOffsets Module File Menu Open Buttock Lines Open Waterlines Longitudinal Lines gt Frame Offsets Waterline Offsets Buttock Line Offsets Frame Lines gt Ly a a Open Frame Knuckles Waterline Offsets opan aed Need Buttock Line Offsets Save Offsets o Project gt I gt New Project Project Print Ctrl P k oe Print Preview E roject Settings Print Setup Exit Open Buttock Lines Opens buttock lines for producing buttock line offsets Open Waterlines Opens waterlines for producing waterline offsets Open Longitudinal Lines Opens longitudinal lines LGS PMK SIN OBQ PRJ for producing offsets at specified locations Frame Lines gt For Waterline Offsets Opens frame lines FRM for formatted printing of the waterline offsets Frame Lines gt For Buttock Line Offsets Opens frame lines FRM for formatted printing of the buttock line offsets O
189. s the last line of Patch 1 is the first line of Patch 2 3 Click Next to edit the next patch or Finish if you are editing the last patch Define Lines Patch 1 1 J Cancel Lines in Patch Press INSERT to insert lines Into the selected patch Press DELETE to delete lines from the selected patch Options The Options window appears when Fairing Options is selected Options i Beep on change of fairing spline I Autosave Activate nearest control vertes on mouse click Cancel LinesFairing Program Beep on change of fairing spline Flag to indicate if a beep occurs when changing lines This is useful to know if you have accidentally changed lines while fairing AutoSave Saves the lines every 20 recalculations of the spline Activate nearest control vertex on mouse click Activates the control vertex for editing nearest where you clicked the mouse View Menu Profile Plan Body v Viewpoint Set Viewpoint Zoom Window Zoom All Zoom In Zoom Out Toolbars v Vertex Window v Offset Distances v Splines Colors Split Window Control Vertex Move Direction Ctrl F2 Ctrl F3 Ctrl F4 Ctrl F 11 Ctrl F12 gt y Standard v View v Spline Edit y Settings Vertex Window The three information windows are best displayed at the left side of the program window as show in the figure below 137 LinesFairing Program LinesFairing D Projects7005 SC7005Demo
190. s and makes sure that the plate can fit the available stock size Not rotated to smallest rectangle 170 PlateExpand Program Plate rotated to smallest rectangle Strain Scale The scale used to show strain in the expanded plate Note Obtain the maximum strain your yard can handle in plates of different material and thickness This is best done by getting feedback from production about plates that produced problems during production Then set the strain scale so that the red color indicates exceeding the found values Stock Tab Stock Max Stock Width Max Stock Length fi 8 m 6 5 m Top 0 0000 m Left fo 0000 m Right 0 0000 m Bottom 0 0000 m The Stock settings tab lets you set the maximum stock plate size and the extra stock on each expanded plate edge A warning message appears if the expanded plate exceeds the maximum stock dimensions Max Stock Width The width of the stock plate Max Stock Length The length of the stock plate Top The margin added to the top of the expanded plate Bottom The margin added to the bottom of the expanded plate Left The margin added to the left of the expanded plate the right side when using US reversed coordinates Right The margin added to the right of the expanded plate the left side when using US eversed coordinates Templates Tab Templates V Show in original mesh view On other side of plate Type Style C None e Strip Stand
191. s are calculated Select File gt Buttock Line Locations gt Open and select the file BUTTOCK LOC Click OK Click No when asked to edit the location file Select File gt Waterline Locations gt Open and select the file WATER LOC Click OK Click No when asked to edit the location file Select File gt Profile Projection Lines gt Open select the files STR_SIDE PMK and STR_TTOP PMK and click OK Select File gt Plan Projection Lines gt Open select the files STR_BTM PMK and STR_KLSN PMK and click OK Now we have all the information on the 3D surfaces ready to be expanded Select Build gt Options or click Pl Select the settings as shown in the Settings window Tutorial Shell Layers 800 No of Transverse Sections Base Line Water Plane C Buttock Plane C Lower Plate Edge 0 0000 Plane location ee rt AN w o p 3 53 o LL X o 10 Choose Build gt Expand Surface or click 2 The shell expansion takes place It will take a few seconds to run 11 AAA ERA Ue fon A MO EA a E pl rfs designsu Pal demo 1 CAM Ae PLA Ship hy Y z Le l zZ E C 7005Demo 5 i Eee Ej jects2005 Help ur Pro x dows as shown and select one to show the 3D set up and the other one to show the expansion gt in E D Build DXF Export a S View Set up two w ShellExpand File gt 0
192. s button to move to the previous vertex Next Vertex gt Press this button to move to the next vertex Display Spline Porcupine td Displays or hides the porcupine of the current spline Display Section Porcupine Displays or hides the porcupine of the current section Decrease Porcupine Scale Decreases the scale of the porcupine Increase Porcupine Scale F Increases the scale of the porcupine Previous Section t l Activates the previous section Use this function to move the section porcupine between sections Next Section Activates the next section Use this function to move the section porcupine between sections LinesFairing Program 147 LinesFairing Program 148 Porcupine as Curvature This displays the porcupine as curvature Curvature is calculated as 1 gt radius of a circle that can be drawn through any three adjacent points on the spline Porcupine as Slope lx This displays the porcupine as slope or rise over run Use this function when the spline or section is between horizontal and 45 degrees in the current view Porcupine as 1 Slope b This displays the porcupine as 1 slope or run over rise Use this function when the spline or section is between 45 degrees and vertical in the current view Decrease Step Decreases the value by which a control vertex will be moved every time the Shift Arrow keys are pressed Increase Step r Increases the
193. s completed using LinesFairing and LoftSpace butts and seams are defined and the large hull surfaces are divided into small plates The selected plate size is determined by the available stock size by the amount of compound curvature and by the available forming process Areas of large compound curvature bulbous bow require small plate sizes while single curvature or flat areas can be expanded in large plates The design surfaces have to be trimmed into individual plates before expanding The general process for compound curvature plate expansion includes the following steps e Load the plate mesh e Load all markings you need on the plate You only need to load these once All plates loaded later will use the same markings frames waterlines stringers and so on e Set the options templates stock and so on e The expansion algorithm always works on the mesh elements The program begins in the middle of the plate and works from there to the outsides Because of the compound curvature expansion some of the mesh elements will deform This also means that the next elements are based on already deformed elements The amount of deformation depends on the amount of compound curvature in the selected mesh area e Save the plate to a DXF file that can be imported into a ShipConstructor product model or your CAD program 160 PlateExpand Program File Menu Open Surface Expand Multiple Plates Frame Line Locations gt Waterline Loc
194. s on load Selection Cursor Size The size of the cursor box used when picking objects Display objects using non uniform colors Picks unique colors for each block Otherwise chooses color based on block type Show Mesh cross lines on load Displays the cross lines for surfaces when the block is loaded Otherwise only the lines are displayed Project See Projects page 86 for details Blocks Menu These functions are available from the Blocks menu Some functions are also available from the Context menu Blocks Select Unload gt _ gt Ss Unload Chad Unload All ME Unload Hidden Transpose sah DADR Reverse Vertices Reverse Lines Mirror Half breadth Rotate Scale Trim Mesh lines b L gt Equally spaced Sree lines t Locations Automatically Sort Lines Des prostate Outlines Remove vertices below tolerance Exchange Coordinates Smooth Fans Connect Lines Plate Stock Settings Weight amp CGs Select Lets you pick blocks After selecting right click the mouse to display the Context menu Use any one of the functions by selecting it Unload Prompts you to pick the blocks to unload from memory 107 LoftSpace Program 108 Unload All Unloads all blocks from memory Unload Hidden Unloads all blocks from memory that are currently hidden Unload Visible Unloads all blocks from memory that are currently visible Create Creates a new empty block Move Prompts you to pick one or more b
195. s text identifying the frame name the backsets the bracket angle and the sight line height The bracket angle is the angle measure on the sight line between the frame and the plate For example at mid ship the angle will be 90 degrees in the bow area the angle will be smaller than 90 degrees and in the aft area the angle will be larger than 90 degrees AutoCAD 2002 C Projects2004 SC2004Demo ShipCAMW1 2P034 DXF File Edit View Insert Format Tools Draw Dimension Modify Image Window Help Ce Go BAS gt o BOSSE DB oe taa Er se E gt ByLayer y ByLayer v SJ 0 2OMAODOLSAS TMPLT_FR_IO Transverse Backset 351 Long Backset 336 Bracket Angle 100 Sightline Height 331 3 NAINCOLANBDOCHHOR SA rpg Specify first corner Specify opposite corner Command Specify opposite corner Command Templates gt Stack on top of each other Besides the regular templates the drawing will contain templates that are stacked on top of each other as shown in the figure below PlateExpand Program AutoCAD 2002 C Projects2004 SC2004Demo ShipCAMW1 2P034 DXF ax File Edit view Insert Format Tools Draw Dimension Modify Image Window Help G X DEH 2408 BB nna BOSSE LL BeKtCeQ HK 7 4 SS 320002880 v E BylLayer 7 ByLayer y ByLayer a EyColor y Ze E rr H ine E A Ral g gt amp EB DO cio a K P 27 a le rom SEE ps ie Pos E Command _ view Enter an option
196. screen should look like the screen below 56 gt StringerCutouts D Projects2005 SC2005Demo ShipCAMi demo U12 FRM File View Plane Girth Projection Cutouts Help 5 9 9 A8 lili Yl S 0191919 Marking the Keelson 0 0000 2 2752 7 5756 1 Select File gt Mark Options or click EP Change the settings as shown below Click OK Options Stringer width 0 0110 om Stringer Height 0 0150 m le Stretching r Toe Direction y W Show Frames E Inboard M Show Stringers F Cutboard iM Show Marks Stringer Angle _ Normal to surface From Frame FR_106 dl ToFrame FR_114 Cancel Tutorial Seles 2 Select Projection gt Plan Projection and select the file STR_KLSN PMK Click OK A message appears asking if you want to erase the existing marks Click Yes to remove the previous marks The new marks are calculated and displayed You need to zoom in on the lower part on the frames to see the marks because they are very small 5 7 Tutorial Insert Cutouts for the Keelson The cutout for the keelson consists of two arcs and some straight lines 1 Select Cutouts gt Open Cutouts and select the file CUTMSHL DXF Click OK 2 Select Cutouts gt Insert Cutouts or click ns The keelson cutouts are inserted Use the view and zoom functions to investigate the cutouts StringerCutouts D Projects2 005 5C2005Demo ShipCAMidemo U12 F RM File View Plane Girth Projection Cutouts Help
197. se the proportional spacing option when saving splines from LinesFairing to generate a faired center spline with closer spaced vertices in the bow area than mid ships SON FEY TESS LLL Pl Rigi PIES F HHHH i O A a OOO AAAA SA A ASIA OSA NAAA AEH 127 LoftSpace Program 128 Offset Surface Offsets a surface by a thickness For example use this function to calculate the outside surface of shell plating from the molded line surface To offset a surface 1 Select Tools gt Offset Surface or click sE 2 Pick the surface you want to offset and press Enter 3 Inthe Offset Surface window enter the offset value and select the direction of offset Click OK Offset Surface Offset 0 03 m Throw Port C Starboard Cancel Fillet Generates a fillet surface of constant radius between two surfaces Think of generating the fillet surface by rolling a ball between the two surfaces with the ball touching both surfaces at all times To create a fillet surface L 2 Si Select Tools gt Fillet Pick the two surfaces you want to create the fillet between using the mouse Press Enter The Fillet window appears Surface normal indicator lines appear so that you can select which fillet surface will be generated The indicators should point toward the side of each surface that the imaginary ball used to generate the f
198. ssibly you have the lines of the plate running transversely instead of longitudinally ShipCAM expects the lines of a plate to run longitudinally In the General tab of the Options window uncheck Display Mesh cross lines If your lines are running transversely transpose the surface using Transpose Mesh in the Build menu You could also have very slender mesh rectangles If this is the case re mesh the surface so the mesh rectangles are not so slender The aspect ratio of the mesh rectangles should not exceed 1 10 You may have trimmed the plate to have irregular or jagged edges Instead of trimming before expanding expand the un trimmed plate and just mark the trim line on the expanded plate Then use CAD to trim the plate to the edges 177 ShellExpand Program ShellExpand Program e Z Shelia D a a a designsurfs GRP al a al z gt A MY Aa Aaa Settings Shell Layers No of Transverse Sections 200 Base Line Water Plane i Buttock Plane C Lower Plate Edge Plane location 0 0000 m DXF Output Text Size 0 1 mm Se gt nid D EA ae For Help press F1 0 0000 0 0000 0 0000 The ShellExpansion module is based on the expansion of transverse sections only All longitudinal dimensions stay true All transverse dimensions are girth dimensions The transverse sections are expanded so that the X coordinates remain the same All geometry can be marked onto the expanded sections For example you can mark the foll
199. straight lines and arcs e The polyline must be designed so that it will intersect with the frame under all situations The legs have to be long enough for this to happen e The polyline for the cutout must be on a layer named SHAPE e The file must have two straight lines One must be on the layer HEIGHT and the other on the layer WIDTH The height and width lines give the nominal size of the profile used Insert cutouts adjusts the size of the cutout automatically according to the stretching required for the intersection angles of the stringer and the frames Open Cutout References With the cutout you can load references that will be placed at the same position as the cutouts For example you can draw the profile shape of the stiffener The profile shape will then be placed at the same position as the stringer marks giving a realistic look The references are also included in the DXF export file and can thus be used to add items that will simplify the detailing process 157 StringerCutouts Program NOS Insert Cutouts Inserts the cutouts at the marked locations rotates the cutout into the requested orientation trims the cutout and frame and connects all the elements to single polyline frames Inserting cutouts requires you to have the following files loaded e A frames file FRM or a frame lines file FCT e Frame marks FMK e Cutout shape DXF DXF Export Saves the frames with or without cutouts to DXF file
200. surface files does not offset the surfaces by the plate thickness You may need to create offset surfaces depending on the orientation of the assembly right side up or right side down Open Frame Locations Loads a frames location file The frame traces on the plates are calculated and displayed This function is primarily used for construction modules where it is hard to distinguish between the forward and aft end of the module The frame traces and frame location names are output to the DXF drawing The default color for the frames is cyan If you are going to add frame locations make sure you do so prior to rotating and shifting the plates Save Pin Table Saves the table of pin locations pin heights and normal angles to a formatted ACSII text file The file has the extension PIN Open Pin Array Loads a pin array layout file PLC containing a saved layout Save Pin Array Saves a pin array layout to file PLC 191 PinJig Module Build Menu 192 Make Pin Jig Options Generate pin array on seams Rotate Shift Plates Minimum Pin Height Options Displays the Options window for the Pin ig module General Tab General Pin Layout Initial Pin Height Normal Line Length o T Base Length fi m DXF Output Text 150 0 mm Shift Plates lt and Y to 0 0 Min Pin Height 0 0000 m Cancel Help Base Length The length of the displayed base lines which are represented as crosses at
201. t Three Pol iaa aulas anna ads 155 Tilted Plane P Ont SANO E aran ara 155 SOM aaa 155 Constant GIRA TOn BOROM iaa daa 155 Constant G ON OD aaaea AEAEE ENEON abla Ra eile 156 Proportional GII asa 156 POMS ENG aaa a a eaee neue teneteeee neta aeons 156 Pla Fe FO CEI I manana aaron 156 PFO P FO eco anadir 156 BOY PATO CON aaa 156 COEM a Ut it 157 A asec A NOAN AN AA A A NA A A A N A A can eases 157 Open C tout Retenes os 157 MSEE CUTOUTS aio adas 158 DXF EDO nica ia dao 158 MOUDIESNDO NI ns erenr erserrrpeer a ren irr ronnie einen Henne rrr rere eer 159 Contents PlateExpand Program 160 He ME as 161 Y A alee ee E leak teal A TR 161 Expand Multiple Plates osa 161 Frame Lnelocations OPEN daa ENNER AEAEE EREE 162 Watenine Locations ODE Munene aan aA iaa 162 Buttock Eme Locations gt OP iaa aaa 162 Profile Projection Eesti 162 Plan PTOJSCUON LINES ODE iaa EEEE EEA 162 Body PFO SCHON EMSS gt Orar dae 162 A O encuasinends 162 Penetration ounace OP nena dia aaah a ien 162 REMOVE a A iaa 162 VEW MEN scatter EA 163 ON MES EE aetna O AN ORURO 163 Properties Baras 163 MENOR aa mith intirhintismitehiticniieminehmiantiemtninnaantiatas 164 O O 164 Reverse Verena rapid 164 Reversi aaa aaa 164 Save ICS A ac ees a caisess eects had eee E O S E A EA 164 EELE ALAE MED ttre att ca scala at sacl ac wal cl al al lala aa an A eA 164 QO NS nara tan 164 Ear ace Mead a 176 Save DAF EXpanaed Pl ale wicca nama nnn 176 SHOW Orginal Mesias aida A
202. t often consists of many files By default All Compatible Files is set to show all files Use any of the other options to limit the type of files displayed New Group Select any number of files in the main window and click New Group For example the names of all plates for a construction unit can be saved to a GRP file Later you can recall all the plates for the construction unit by selecting this group file Group Edit Select a group file and click Group Edit The window lets you remove files from the group file 100 LoftSpace Program Edit Group File All Files Group U12F03 M SH 11M P00 MSH 11 P04 M5H 11 P02 M5H 11 P05 M5H 11 POB M5H 101 P039 M3H LM PO MSH 11M P08 M5H Import DXF File Lets you import DXF files created by any CAD program These files may be in 2D or 3D ShipCAM can import the following types of entities from DXF files LINE ARC will be automatically converted to a polyline CIRCLE will be automatically converted to a polyline POLYLINE regular curve fit spline fit arc segments are converted to line segments the same as ARCS LWPOLY 2D POLYLINE 3D POLYLINE 3D polygon mesh The DXF Import Options window lets you select the unit conversion to scale the data and exchange co ordinates when the data in the CAD system uses a different co ordinate system than ShipCAM Use this also to convert 2D frame sections into a 3D reference model In this case you exchange X to Y and Y to
203. t settings file in the folder The name of the project file consists of the name of the project folder plus the extension SCP For example the project TUG12 will be located in the folder TUG12 There will be a project settings file called TUG12 SCP in the folder To create a new project 1 Start or activate any one of the ShipCAM program modules 2 Choose File gt Project gt New Project The Create Project window appears Create Project Directory Lancel D Projects20054T ugl4 Browee Help e Name Enter the name of the new project e Directory Lists the location of the project files If you use Browse to locate a folder select the parent of the project directory The new project folder is created inside the parent folder 3 Click Create to create the new project The Project Settings window appears Set the settings as you require The Project Settings Tab page 88 section explains the options of this window in detail Reference Section Project Settings Project Settings ShipConstructor D Projects2005 Tug 14 XCoordinate of Word C US Reversed Output Tolerance 0 0001 Open Project This function opens a project by opening the project file in a ShipCAM project folder Use this function to switch between projects Once you have selected a project all program modules will access the same project by default To open a project 1 Choose File gt Project gt Open Project Browse f
204. t to use while working in AutoCAD currently in millimeters 69 Tutorial 10 11 12 13 14 15 Project Settings Project Settings ShipConstructor Output Path D Projects 005 SC2005Demo ShipCAM X4Coordinate tf Word r US Reversed CAD Units Lofting Units Output Tolerance 0 0001 li Import the DXF file to AutoCAD In AutoCAD draw the centerline of the bow thruster tube Make a UCS with the Z axis along the centerline and draw circles at either end Set the SURFTAB1 2 parameters You want to have at least 100 lines along the surface Make a ruled surface from the two end circles Save the thruster surface alone in a DXF formatted file Import the DXF surface into ShipCAM Save the surface and use it for marking penetration during plate expansion Shell Expansion The ShellExpand module expands the girth of transverse sections The resulting drawing keeps the true longitudinal coordinates while the transverse sections are expanded to produce a 2D drawing The shell expansion is always based on a high number of closely spaced transverse sections 70 Expanding the shell l 2 A CEA a SS Start the ShellExpand program Select File gt Open Shell Surfaces or click S set the file type to Group Files grp and select the file Designsurfs GRP Select File gt Frame Line Locations gt Open and select the file FRAMES LOC Click OK Click No when asked to edit the location file The 3D frame
205. tes vertices by selecting them using the mouse and pressing Enter Move Moves the vertices by a specified amount Vertex Context Menu Delete Deletes the selected vertices LoftSpace Program Move by Moves the specified vertices by a specified amount Move to Moves the specified vertices to a specified point Break Apart at Breaks a line into two lines at the specified vertex Select only one vertex Offset Editor Surface Generation Project Lines Intersect Surfaces Deck Surface b gt Sideline Deck Offset Surface Centerline Deck Fillet Surface A It is important to understand how ShipCAM organizes data to be able to enter offsets efficiently and plan how they are entered ShipCAM deals with three types of data Vertex A point in 3D space consisting of a value for X Y and Z or Length Half Breadth and Height accordingly Line A sequence of at least two but most likely more vertices It is important to note that the sequence in which the vertices are entered is important A line can and should have a name Block This is a collection of two or more lines stored in a named file A block can be a surface several frame sections or any number of oddly shaped lines Offsets or vertices are entered using the following procedure As you enter or change a vertex the result is shown in the display window or windows if multiple views are set When to Use the Offset Editor Use the Offset Editor
206. th waterline 9 Check the frame section in body view to verify that the surface is smooth Note J ust like fairing on the loft floor in ShipCAM you check the fairness of a hull by making sure that all sections are smooth The big advantage here is that all sections are calculated from a 3D surface and that they can be updated in a very short time This lets you go through many more optimization cycles than could ever be done on the loft floor LoftSpace LoftSpace is the most used program module in ShipCAM About 15 formerly independent program modules are now combined in this single program LoftSpace Basics Group Files Using these files you can combine many ShipCAM files and make them accessible by loading just one file For example you can have one file containing all design surfaces another containing all plates for a construction block and so on 1 Start the LoftSpace program module 2 Select Files gt Open ShipCAM File or click In the Files of type window select Grouped Files The display now only lists grouped files These files contain the names of all files that make up a logical group of data such as all design surfaces all plates for unit 12 and so on Select the file designsurfs GRP and click OK 27 Tutorial 28 Open surface files Directory DProjects200515C2005Demos5 hipC AM Modified designsurfs GAP Group File 173171997 3572 LINES GAP 30 Group File 1221997 5 39 17 stringer
207. that indicates the number of polylines in this file Each polyline starts with an integer number that specifies the number of vertices on the polyline and the line name The line name is the one entered by the offset editor given in a location file for lines that are the result of planar sections or in the case of surfaces Is just a running number Files of this type can be generated easily with a text editor or with programs that you can develop in you own company for special in house situations Location File Format ShipCAM location files hold the 1D information of locations The file starts with an integer number that indicates the number of locations in this file Each line of locations consists of the location name If given and the location value The location name is the one entered by the location editor Other File Formats ShipCAM has other formats for two special files the break points files STB and LGB and the frame line files with the inserted cutouts FCT These files should not be edited manually INI File Format Each module contains an INI file in the program directory C ShipCAM that contains all the settings that are not changed from project to project This includes window positions and color settings Index A auto level menu 193 B blocks menu LoftSpace 107 blocks window 29 97 bow fashion plate 66 bow thruster intersection 68 break 145 build menu PinJig 192 PlateExpand 164 ShellExpand 18
208. that is pointed horizontally StringerCutouts Program inboard On opposite side of frame lines is used to create stringers perpendicular to the shell on the outside of the frames Use this on double hulls From Frame To Frame Use this to limit the frames a set of stringers covers Plane Menu Creates stringer marks defined by planes Constant Half Breadth Mark the frames at any number of constant half breadth for example buttocks parallel to center plane Constant Height Mark the frames on any number of planes parallel to the waterline plane Tilted Plane gt Two Points Mark the frames on a single plane described by two points See Planar Sections page 129 for details on two point plane options Tilted Plane gt Three Points Mark the frames on a single plane described by three points See Planar Sections page 129 for details on three point plane options Tilted Plane gt Point amp Angle Mark the frames on a single plane described by a point and angle See Planar Sections page 129 for details on point and angle plane options Girth Menu Constant Girth from Bottom Marks the frames at locations measured along the girth of the frames from the bottom or start of the frames You will be prompted to select a location file that lists the girth lengths 155 StringerCutouts Program Girth Locations STATIONS LOC Locations 172441997 221 1 W117 ForStiffeners LOC Locations Ae 2002 636 2 U1 Si
209. that prevents the Software from performing in a manner consistent with the applicable specifications set out in the User Manual that the Licensee identifies to SSI through fixes or workarounds free of charge If SSI determines that it is unable to make the Licensed Materials perform substantially as warranted Licensee may terminate the License and receive a refund of a portion of the License Fees paid to date WARRANTY EXCLUSIONS THE LIMITED WARRANTY CONTAINED IN SECTION 15 IS IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED ALL OTHER CONDITIONS WARRANTIES AND REPRESENTATIONS EITHER EXPRESS OR IMPLIED ARE EXCLUDED INCLUDING BUT NOT LIMITED TO CONDITIONS REPRESENTATIONS AND WARRANTIES RELATING TO MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE SSI DOES NOT WARRANT THAT THE LICENSED MATERIALS ARE COMPLETELY ERROR FREE OR THAT ITS OPERATION WILL BE CONTINUOUS AND UNINTERRUPTED 18 Maintenance Services Licensee may elect to obtain maintenance support and upgrade services from SSI in accordance with and subject to the terms of SSI s standard Subscription Agreement 19 Loss of Data SSI shall not be responsible for any loss of or damage to files or data caused by the Licensed Materials or be required to restore or rebuild files or data Licensee shall implementing adequate backup procedures to avoid any loss of files and data 20 Modifications SSI may from time to time provide the Licensee with revisions to 21 t
210. ther It is important to switch the XLn option in the Blocks window off to be able to see the direction of the lines in the block to trim 4 The command line will say Select the block to trim and press enter Select the block you want to trim 109 LoftSpace Program 110 Trim Surface keep Block i Before trim line oct E M After timline iZ Cancel Reverse Vertices i Hide the surface being trimmed 5 The Trim Surface window gives you several options e Keep Block gt Before trim line Keeps the portion of the lines in the block before the trim line This is the portion between the first vertex on each line marked by a green cross and the trim line e Keep Block gt After trim line Keeps the portion of the lines in the block after the trim line That is between the trim line and the red cross marking the last vertex on the line e Reverse Vertices This function reverses the vertex order on each line before the trimming operation e Hide surface being trimmed The function makes a copy of the surface while trimming The original surface remains intact However it is best to hide the surface being trimmed as it would obstruct the view of the resulting trimmed surface 6 After choosing your options click Trim to trim the surface Mesh Lines The menu has three options Equally Spaced Use this option to create the same number of vertices on all lines in a block Some functions require that all lines have t
211. ting surface close to any vertex on the selected splines Click Finish The calculation will take just a few seconds Loftspace E A Maximum deviation from the surface to any spline vertex is 7 11919e 003 6 The window above shows the maximum deviation of the surface from any vertex on the longitudinal splines You can choose higher iterations to achieve a closer match in the surface generation wizard Click OK LoftSpace D Projects2005 5C2005Demo ShipCAM demo SKEG LGS Fie View Blocks Lines Vertices Tools Planar Sections Help sal ell ella wl dali le lalele El ml else ela el e al LAES TAN BENUN oa Saat llull elele sel xitla lt dis gt lel el Name y elo bee sk E ET e 17 AFT LGS MO 15 lines FORWARD LGS 20 lines SKEG LGS Y 2lines 15 Untiled01 M5H G H 191 600 1 Obiecte 4 Min fasam oo ao Mel s ors vsme 1t a00 O au For Help press F1 0 0000 0 0000 0 0000 SKEG LGS Ln 2 SKEG_UPPER Vx 100 Zoom x 1 000 m 7 The figure above shows the resulting surface The surface name is added as UNTITLEDO1 MSH to the Blocks window It has a resolution of 191 by 600 vertices 8 Use different views and zooms to investigate the result 35 Tutorial 9 To name the new surface click on the Name field in the Blocks window to highlight the name and then click again Pause between clicks long enough that you do not double click Type the name FWD MSH
212. tinger Width 0 0900 Mm Stinger Angle Stinger Height d3 0 0150 m E ke Normal to surface On opposite side of frame lines Stretching Toe Direction Ww Show ae E Inboard ap FR 06 le Show Stringers Bees Toframe FR 114 m W Show Marks Cancel Stringer Width The nominal width of the stringer profile The stringer marks will always be represented as an L even when using a flat bar of a T It is important to note that the width lines are only used to size the cutout during insertion Stringer Height The nominal height of the stringer profile Stretching If checked the cutouts will be stretched depending on the proportional difference of the sizes of the marking lines to the stringer width and height Stretching is required when the intersection between the frames and the stringers is not perpendicular Show Frames When checked the frames appear in the main window Show Stringers When checked the stringers appear in the main window Show Marks When checked the marks appear in the main window Toe Direction Use this to create stringers with the throw toeing inboard or outboard Stringer Angle Controls the angle of the stringer to the shell surface When Normal is checked the stringers will be perpendicular to the shell surface in body view When Normal is not checked the Angle value in degrees will be used A value of 90 generates a stiffener that is perpendicular up a value of 180 generates a stiffener
213. tion of the neighbor vertices to the left and right of the moved vertex All other areas further away are not affected A N The spline does not pass through the control polygon an occurence called approximation ShipCAM applies a special technique that forces the spline to pass through the control polygon This feature is called interpolation and is used when the fairing program reads new design offsets ShipCAM initially calculates a B spline approximation and calculates the distances between the spline and the control polygon design offsets Then it makes a copy of the design offsets control polygon or control vertices and moves these until the spline passes through the design offsets This procedure is called B spline interpolation E File Menu Open Ctrl O0 Save Ctrl S Save As Save Splines Make Line Offsets Options Project gt New Project Print Ctrl P na ian de Print Previews Pla tone tt J Print Setup Exit Opens a station offset file or longitudinal offset file for fairing If the offsets have not been faired no control points or breakpoints files new control vertices are calculated so that the B splines created from those control points intersect all offset vertices Save Saves the line offsets the control points and the breakpoint locations to their respective files Save As Saves the line offsets the control points and the breakpoint locations to their r
214. to project 2 Select Tools gt Project Lines 3 Pick the blocks you want to project lines onto and press Enter 4 Select the blocks containing the projection lines and press Enter The Projections window appears 123 LoftSpace Program 124 Projections Direction f Plan Profile Cancel Body Join W Tolerance 0 01 Chord Tol Thinning Remove Yertices We Min Distance M1e 005 Direction The direction to project the lines e Plan Lines are projected in the Z direction e Profile Lines are projected in the Y direction e Body Lines are projected in the X direction Join Takes lines being projected from the same line onto different surfaces and joins them together Lines will be joined if he distance between the ends Is less than the tolerance given in design units Chord Tol Thinning Removes vertices below the chord tolerance using the same method described in Remove vertices below tolerance under Lines Menu page 113 Remove Vertices Removes vertices that are closer than the tolerance We will give you an example of creating a deck from a faired sideline deck There are three steps involved e Use the Fairing module and fair the outside line of a deck in profile view only Do not worry about any half breadth Save the result as a spline e Use the LoftSpace module to project the faired spline on the side surface using the project lines function e Generate a deck using the projected s
215. ton l And then use the arrow keys to move to the other end of the flat portion of the spline A thick straight line indicates the flat portion of the spline Press Enter when done A window appears asking you in which direction to move the control vertices Select the option that is most perpendicular to the straight line For example if you are in profile view and the flat portion is mostly longitudinal then the move direction would be in the Z direction up and down Click OK when done The spline is flattened between the two control vertices 145 LinesFairing Program Note The flat portion is one interval shorter than the selected control vertices if the start and end vertices are not break points The spline will fair tangentially into the flat portion if the start and end control vertices of the flat portion are not break points Ends of flattened portion are not break points x X X Ends of flattened portion are break points Delete Line gt Deletes the currently active line Duplicate Line Duplicates the currently active line Move Line F Moves the currently active spline by the specified amount Move By ko i A Y E l oy 0 01 50 0 0000 0 0000 rn are i Settings Toolbar l lt Del TG I lol del le mes Previous Line Press this button to move to the previous spline 146 Next Line 1 Press this button to move to the next spline Previous Vertex lt Press thi
216. ts 198 Note See PrintOffsets page 82 for an example on how to run PrintOffsets 1 Open the lines you want to create offsets from using the appropriate open function from the File menu 2 Select Construct Offset Table from the Offsets menu If necessary load the location file containing the locations to take offsets 3 When the print preview of the offsets appears check the numbers and layout to confirm they are correct and then click Close 4 If necessary change the options and construct the offset table Select Save Offsets from the File menu and save the offsets to a text file Appendix Appendix File Conventions All ShipCAM files for a project are stored in a single directory This project directory has the name of the project ShipCAM stores the data for the fairing and manufacturing data in several different files The file types a description of the contents are given in the table below You do not need to know all the details for normal use of ShipCAM However the information below is very helpful if you want to write your own software that interfaces with ShipCAM 199 Appendix File Description BTK Buttock lines CGR Weights and centers of gravity of plates DEV Developable surface DXF AutoCAD Data Exchange Format FCT Frames with inserted cutouts FKN Frame knuckles Contains the coordinates of vertices at the intersections with plate edges FMK Frame marks Marks for cutouts or setup of frames FR
217. tudinal Spl 117 2471995 8 54 UNDEY LGS 6285 Longitudinal Spl 11 1 1995 2 47 01 Filename AFT LGS FORWARD LGS SKEG LGS ene Files of type Longitudinal Splines Files lgz New Group Group Edit OO Cancel All Compatible Files Plate Mark Files pmk Compressed Files ceh Mesh Surface Files mah Developable Surface Files Longitudinal Splines Files gs Longitudinal Offset Files Igo Station Splines Files sts Station Offset Files sto Frame Line Files frrn Buttock Line Files tk Waterline Files wilh Surface Intersection Files ir Stringer Surface Files str Projection Files Y E E 2 You will see a window similar to the one below when you select a 3D viewpoint ALEA Tutorial LoftSpace D Projects2005 5C2005Demo ShipCAM demo SKEG LGS File View Blocks Lines Vertices Tools Planar Sections Help AY sal ar al El Alida al AAA A El ml eleele sel 8 lala elels al ml xil 8 el al fame y flo Dese sx eel rte 77 AFT LGS MO lt 15 lines FORWARD LGS D lt 20lines SKEG LGS D 2lnes i Objects 3 Min 4 5201 ooo 00000 Max stoves 7 5022 11 2000 For Help press F1 0 0000 0 0000 0 0000 EN Zoom x 1 000 m Cross Spline Surface This surface is most often used when replicating a compound curvature hull It has the advantage that you can force the mesh surface lines to go through each vertex on the longitudinal splines The r
218. ulate the spline The station is flattened between both control vertices 15 Tutorial 16 LinesF airing D Projects7005 SC 7005Demo ShipCAM demo HULL STO File View References Help ca al 1 e Sew Solda E ele 0 AIS Ol 212 ISLE PEE A A erel ES 51 x 3d l Sxe Fairing Spline ls TWN_9 25 x Control Vertex fa ka fe Y T Step 0 1000 m re Fairing Spline On TRANSOM STN_O STN_1 STN_2 STN_3 STN_4 STN_5 STN_6 STN_B5 I G A E 0 0000 0 0000 0 0 0 0000 0 0002 0 0 0 0000 0 0005 00 9 0000 0 0065 0 0 0 0000 00015 00 0 0000 0 0048 00 0 0000 0 0069 0 0 0 0000 0 0212 0 0 0 0000 0 0019 0 0 o 0 0000 0 0294 0 0 eee cel r OS AN i 41 AAA i 0 0000 1 7876 5 2788 Checking Fairness ShipCAM uses curvature porcupines to check fairness The following buttons control the porcupine display of the stations x Switches porcupine display on or off fal Increases porcupine scale P3 Decreases porcupine scale Displays curvature Use curvature to check the fairness of the stations kK Displays slope Use slope for example to check if the station is fairing horizontally into a flat bottom A Displays 1 slope Use 1 slope for areas of splines that are almost vertical Many users ask What tells me that the station is smooth What scale do use There is no absolute answer to this question Curvature is defined as 1 radius The radius value is
219. vature of cut sections StringerCutouts Program 149 StringerCutouts Program StringerCutouts D Projects2005 5C7005Demo ShipCAMidemo U12 FRM File View Plane Girth Projection Cutouts Help S a FS el lala mal paa a 24 Le aif E a g F o DEA cae ys va E ff FF Bi Z Z l Ei l A RS IN ANS a a StringerCutouts is used for three procedures Generate marks on frames for cutouts Insert cutouts or notches in frames Generate stringers surfaces for expansion 150 0 0000 0 0000 0 0000 mi StringerCutouts Program StringerCutouts D Projects2 005 SC2005Demo ShipCAM demo U12 FRM Ea File View Plane Girth Projection Cutouts Help 8 wl TR Il tdi do Yl ZIG PLA NOK S S AS N For Help press F1 0 0000 3 3098 1 4047 Marks are generated on frames using a variety of methods The marks are represented by lines that assume you are using an L shaped profile even if you use a different type The marks are just place holders for when you later insert cutouts and can also be used to be exported as developable surfaces when the stiffeners are to be NC cut from plate e The cutout geometry must be defined in a DXF file All cutout information must be 2D in the World XY plane 151 StringerCutouts Program The cutout drawing must conform to the following guidelines e The cutout shape is a polyline or lightweight polyline which can consist of str
220. y all of the voting stock of the Licensee shall constitute a transfer for these purposes and shall be subject to SSI s prior written consent 35 Successors and Assigns This Agreement will bind and enure to the benefit of the parties and their respective successors and permitted assigns 36 Severability In the event that any provision of this Agreement is declared invalid illegal or unenforceable by a court having jurisdiction then the remaining provisions shall continue in full force and effect 37 Force Majeure Except as related to Licensee s obligation to make payments to SSI neither party shall be liable for delays or non performance if such delays or non performance are beyond such party s reasonable control A delayed party shall promptly notify the other party in writing stating the cause of the delay and its expected duration and shall use commercially reasonable efforts to remedy a delay or non performance as soon as reasonably possible 38 Survival The provisions of Sections 3 5 11 13 14 17 and 20 30 shall survive the expiry or termination of this Agreement 39 Language It is the express will of the parties that this Agreement and related documents have been prepared in English C est la volont expresse des parties que la pr sente Convention ainsi que les documents qui s y rattachent soient r diges en anglais 363338 28 05 2010 Contents Contents Introduction 1 Example PIO Cr ete tee rete tc ct edt
221. y of the individual items Properties Bar Properties 3D Min 69 4100 4 7591 0 5032 Exp Min 0 0000 0 0000 Plate Stock PL12 Min Straim 0 30 Max 75 3500 6 4409 1 4000 Esp Max 6 0931 1 1095 Throw Pot e Mae Stain OOS042 This dockable window shows the extents of the 3D surface the extents of the expanded surface the plate stock and throw direction of the plate and the minimum and maximum strain The Plate Stock list is filled with plate stock in the linked ShipConstructor database The throw is determined from the normal at the center point of the mesh surface The stock and throw can be set in the Properties bar or in the Stock and Throw function in LoftSpace 163 PlateExpand Program Mesh Menu Transpose Reverse vertices Reverse Lines Save Mesh These functions let you manipulate the plate meshes to achieve the desired results Transpose Transposes the internal data matrix See Blocks Menu page 107 for details on this function Reverse Vertices Reverses the logical sequence of the vertices on each line in the plate mesh data See Blocks Menu page 107 for details on this function Reverse Lines Reverses the logical sequence of the lines in the plate mesh data See Blocks Menu page 107 for details on this function Save Mesh Saves the manipulated mesh data so it can be used next time without changes Build Menu 164 Options Expand Surface f Save DXF Expanded Plate
222. y scribe the inverse bending curves onto the straight profiles Then bend the profiles until the inverse bending curves become straight lines InverseBend Program InverseBend produces a DXF CAD drawing with the curved and straightened profiles Each straightened profile consists of one or more overlapping inverse bending curves offsets for the curve points and marks for waterline buttock lines and any other marks Note See Inverse Bending page 76 in the Tutorial for an example on how to run InverseBend File Menu Open Frames Ctrl 0 Mark Lines gt H Open R Open Stringers soltado Open Stringer End Locations Open Frame line locations Open Waterline locations Open Buttock Line Locations Remove All Data Project gt New Project Open Project Project Settings Print Ctrl P Print Preview Print Setup Exit InverseBend can create inverse bending for e Frames e Stringers Use the first two menu items Open Frames Open Marks for loading the data for inverse bending of frames Use the second two menu items Open Stringer Open Stringer End Locations for loading the data for inverse bending of stringers Then load any location files for the marking of frames waterlines and buttocks Open Frames Loads frame lines generate by LoftSpace to be inverse bent to straight profiles and then displays them Open Mark Lines Loads stringer marking lines generated with Strin

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