ETA/BSE-in-NX User`s Manual
Contents
1. The constraint setting interface 15 illustrated in Figure 1 8 Presently three types of constraints are supported Fixed XZ Symmetry and YZ Symmetry After selecting the constraint type the user clicks the Create button to display the dialog box shown in Figure 1 9 The user is allowed to select the constraint point or line After the definition is completed the user can click the OK button to exit All defined constraints will be listed the constraint list When the user selects one of the constraints the corresponding constraint point will be highlighted in the graphical area ETA BSE in NX 2 0 User Manual Constraints E3 Type EE v Constraint List Figure 1 9 Select Constraints 1 1 5 AUTO ORIENTATION This option is selected by default In this case the program will adjust the tipping direction automatically to fit the MSTEP solver for a good result If users have adjusted the tipping direction to the Z direction manually a good result can also be got by toggling off this option Note The direction is adjusted only in program and the direction for original model and mesh will not be adjusted 1 1 6 ADVANCED SETTING Click this button to display the MSTEP Advanced dialog box shown in Figure 1 10 ETA BSE in NX 2 0 User Manual MSTEP Advanced x Analysis Method Force 0 0 0 0 Control Parameter 200 0000 a 001000 1 Medium Figure 1 10 MSTEP Advanced dialog box ANALYSIS METHOD2. WEIGHT The program will automatically calculate the blank weight kg according to the previously defined parameters Note This function is available only when the blank type is Plate BLANK OPTION Fix Angle is used to specifically define a constant rotation angle 21 ETA BSE in NX 2 0 User Manual Fix Pitch is used to specifically define a constant pitch Fix Width is used to specifically define a constant width Width Pitch During nesting width is greater than pitch This option will automatically change to Width gt Pitch 0 5 to constrain part when the user selects Two Pair Mirror Isosceles trapezoid and Trapezoid In One Row This option is available only for Mirror During nesting the nesting drawing 15 constrained and the nesting result is listed in one row ALIGN OPTION Note This option is only enabled in plate nesting Center When this option 1s selected the nesting result will be located in the center of the blank Up When this option 15 selected the nesting result will be located near the top of the blank Left When this option is selected the nesting result will be located near the left of the blank Use Fall Off When this option is selected the program will improve the material utilization as much as possible through two different nesting styles BLANK RANGE This button 15 used to show or hide the range option and cut off die option When this button 1s click the range option and cut off di
3. ki V x e ru o Figure 1 19 Two up Nesting 13 ETA BSE in NX 2 0 User Manual TWO PAIR NESTING It enables the user to generate the nesting result with a pair of identical blanks in opposite orientation s Zi lt x Figure 1 20 Two pair Nesting MIRROR NESTING It enables the user to generate the nesting result by mirroring the blank Figure 1 21 Mirror Nesting 14 ETA BSE in NX 2 0 User Manual MULTITI NESTING It enables the user to generate the nesting result using multiple blanks with different size and shape Material Utiltzation 7 436 Figure 1 22 Multiple Nesting RECTANGLE NESTING It enables the user to generate the nesting result by embedding the blank in rectangle PARALLEL NESTING It enables the user to generate the nesting result by embedding the blank in parallelogram 15 ETA BSE in NX 2 0 User Manual t ane 2 E 92 Vater ta val ISOSCELES TRAPEZOID NESTING It enables the user to generate the nesting result by embedding the blank in isosceles trapezoid Material Utilization 82 111 Y 1 1 Z V L xL Figure 1 25 Isosceles Trapezoid Nesting TRAPEZOID NESTING It enables the user to generate the nesting result by embedding the blank in trapezoid Material Utilization 84 927 Figure 1 26 Trapezoid Nesting ARC
4. 2 HE t tit 118 1 an in D L Major Prin Strain Figure 1 15 Formability Report PDF Cancel Click this button to exit the MSTEP dialog box 11 ETA BSE in NX 2 0 User Manual 1 2 NESTINGU Note After opening Nesting module it will create the temporary file named nest in the prt file directory and this file can be deleted optionally This function enables the user to nest the original blank in a coil and the interface is illustrated in Figure 1 16 Nesting x m m wr 51 S lt A no Optimization Max Utilization Min Cost Edge Width Addendum 0 0 o Constraint Cost Advanced Apply Result NoResut Detail list Close Figure 1 16 NX Nesting interface Figure 1 17 shows the types of nesting options available in the Nesting menu Tm 8 ne Figure 1 17 Nesting types 2 ETA BSE in NX 2 0 User Manual ONE UP NESTING It enables the user to generate the nesting result in one row TWO UP NESTING It enables the user to generate the nesting result with two identical blanks using a common orientation oy A for o i VE m 16 u E uae fi oy F y 7 P j NI r f ir C x
5. The Analysis Method provides two ways for MSTEP Accurate and Fast The user can obtain the calculation results as required according to different methods and parameter settings Accurate This function allows the user to perform MSTEP on blank with the accurate finite element inverse approach one step method If the user selects this option the Force and Control Parameter options will be enabled for the user to define parameters such as Binder and or Pad holding force convergence tolerance and Restraint Condition Fast This function allows the user to perform MSTEP on part with elastic method If the user selects this option the Force and Control Parameter will not be enabled FORCE This option allows the user to set for the force including binder hold and pad hold Binder Hold Define amount of blank holder force The default blank holder force is 20000 Newton Pad Hold Define amount of pad force The default pad force is 20000 Newton 7 ETA BSE in NX 2 0 User Manual CONTROL PARAMETER This option allows the user to define iteration steps displacement convergence friction and restraint condition Max Iteration Steps Define the Max Iteration steps during calculation The default max iteration steps 15 200 Disp Convergence Define the displacement convergence for calculation The default displacement convergence 15 1 0 003 Friction Define the friction between the blank and tools The default friction 1s 0 12
6. report dialog box will be popped as illustrated in Figure 1 13 3 Formability Report YThickness Thinning Thickness Strain Major Strain Prin Strain Strain Tensor FLD Report Type Figure 1 13 Formability report dialog box POST ANALYSIS OPTION There is one defining button behind each analysis option which allows the user to set the scope of contour for the corresponding analysis option as illustrated in Figure 1 14 Contour Setting Contour Levels Contour Range Min Max Contour Notation Decimal Point Oke Apply Cancel Figure 1 14 Contour setting dialog box Thickness Evaluate the forming quality through thickness of different areas of part ETA BSE in NX 2 0 User Manual Thinning Evaluate the morphing quality through thickness variation Thickness Strain Evaluate the morphing quality through thickness strain Major Prin Strain Evaluate the morphing quality through major prin Strain Min Prin Strain Evaluate the morphing quality through min prin Strain Strain Tensor is used to estimate the morphing quality FLD is used to evaluate the formability of blank OUTPUT REPORT TYPE This option offers three report formats PDF format JPG format and XLS format OPEN POST Once this option 1s selected when generating the report the program will automatically open the corresponding postprocessor by sequence according to the selection of postproce
7. the center of the slave blank and the center of the two connecting points in the graphic area The user 15 allowed to rotate the master blank the slave blank or both master and slave together maintaining their relative orientation and adjust the positions of the master blank and slave blank 30 ETA BSE in NX 2 0 User Manual C K I S5 T _ T am RR 4 Q 72729 Q ZO 1l stad es 2 Figure 1 43 Feature points for manual nesting k This function enables the user to output the nesting result in htm format The interface of the Output Nesting Report 1s illustrated in Figure 1 44 1 2 10 REPORT Date Dec 19 2013 Filename 5 in NX case htm Blank Outline Color ERE Output Unit KG SEC Production Volume Per Coil Production Volume Iv Production Volume w Coil Length 100000 0000 Base Material Cost 0 0000 Kg Extra Material Cost 0 2000 Kg Scrap Value Cost 0 0240 5 Kg Consumables Cost 0 3500 S blank Comments Figure 1 44 Nesting Repot dialog box Click Apply button to output the nesting result The nesting report wil be presented automatically in htm format DATE 3l ETA BSE in NX 2 0 User Manual Display date of the nesting report FILE NAME Enable the user to assign a file name htm and the file path to save the current nestin
8. 5 RESTRAINT CONDITION This option allows the user to adjust the restraint condition applied on boundary This option is only available for Accurate solving as illustrated in Figure 1 11 ID Type Value 1 Medium v4 0 00 1 00 Figure 1 11 Constraint Condition setting When this option 15 available the boundary will be highlighted The Medium 1 default for all the boundaries and it allows the user to adjust the restraining force by selecting the Type or dragging the scroll bar 1 1 7 RUN MSTEP After defining the tool the Run Mstep button will be activated Click this button and the user can submit the current setting to solver for calculation After the completion of calculation the program will automatically import the created blank outline preparing for the subsequent analysis Note 1 If there is no result after running MSTEP the message window as illustrated in Figure 1 12 will be displayed At this time the user should check the model to insure the model is right Note 2 After Mstep is run to generate the outline result it will create the temporary file named UGII UGII ANON I prt in the file directory and this file can be deleted optionally Message Unfold failed Check the model Figure 1 12 Message Window ETA BSE in NX 2 0 User Manual 1 1 8 REPORT This button 15 only activated after the user uses MSTEP for analysis and solving After this button 15 clicked the formability
9. ETA BSE in NX User s Manual Version 2 0 ela Engineering Technology Associates Inc 1133 E Maple Road Suite 200 Troy MI 48083 2896 Phone 1 248 729 3010 Support 1 800 382 3362 Fax 1 248 729 3020 Engineering Technology Associates Inc ETA the ETA logo and eta BSE in NX are the registered trademarks of Engineering Technology Associates Inc All other trademarks or names are the property of the respective owners 1998 2013 Engineering Technology Associates Inc rights reserved ETA BSE in NX 2 0 User Manual TABLE OF CONTENTS TABLEORCONTEN T em md I TNERODUC TION au FUNCHONINTRODUC TION u i u u Re o 1 LUCK ED COUT 4 1 IM dE sg 2 eec PT 2 asa 5 Ig 5 IE SUAUTOORIENT ACTION uuu S u i 6 KLESADVANCED SETTING u Su u Su a u a 0 6 8 POR T M RR 9 2 ND EM ILC EK PM 12 CAENESTCTING du 17 t2 TON p mU TR ERE 18 Em 18 24 PARANIBILERS s eo du Eu MEME I M MEE 18 Ios b PIER STE p TP 19 ins EG 0 dem 24 F ADVANCED otto ELE 25 KZS
10. NESTING It enables the user to generate the nesting result by embedding the blank in arc 16 ETA BSE in NX 2 0 User Manual Z r ry r 4 be a w lt Figure 1 27 Arc Nesting Examples of blank nesting are illustrated in Figure 1 18 to Figure 1 27 A detailed description of each function 1 given in the following section 1 2 1 NESTING TYPE Form Nesting MAUI ui in This indicates the nesting functions in the first row in the GUI window including one up nesting two up nesting two pair nesting mirror nesting and multi blanks The user is allowed to select one of these types for nesting After the user selects one optimization target and toggles on this option all the nesting functions in the first row except multi blanks will be highlighted The program will automatically calculate all the highlighted nesting types and save the calculation results corresponding to each nesting type in the result list for the user to browse and compare the difference Draw Nesting Type 4 al A 7 This indicates the nesting functions in the second row in the GUI window including rectangle nesting parallel nesting isosceles trapezoid nesting trapezoid nesting and arc nesting The user 1 allowed to select one of these types for nesting After the user has selected one optimization target and toggled on this option all the nesting functions in the second row will be highlighted The program will calculate al
11. RESUL peer E pc P ERA 21 J mp NIB 28 FO IO PORT es o Mu D EE 31 2 SD TRIMDIINE u uu era T uns kas 34 2 12 CALCULATEADDENDUN uu yuy M Mu ME 34 LX E u 35 CREATE anam as omoi t 35 ETA BSE in NX 2 0 User Manual INTRODUCTION BSE in NX consists of two modules Unfold Part and Nesting Unfold Part is used for rapid stamping simulation and will present a Formability Report for the product after solution In addition BSE can be utilized to estimate a blank size and conduct blank development operations such as blank fitting and blank nesting After NX and BSE in NX have been installed the user is allowed to use all functions of this module in NX ETA BSE in NX 2 0 User Manual 1 FUNCTION INTRODUCTION BSE in NX consists of two modules Unfold Part and Nesting Unfold Part is primarily used to quickly assess formability and estimate the blank outline in the early stage of automobile body design and development cycle Nesting module enables the user to nest the original blank in a coil It will generate an eta log file on the desktop after the user installs this production The user needs to obtain the license file and place the license file into the startup directory before using these two modules The default path for startup directory is C Program File
12. ates and shows the nesting results width pitch and utilization L Angle This option is only available when parallel nesting isosceles trapezoid nesting and trapezoid nesting are selected It is used to show the current angle when adjusting the cut off profile shape R Angle This option is only available when trapezoid cut off profile nesting 1s selected It 1s used to show the current angle when adjusting the cut off profile shape 29 ETA BSE in NX 2 0 User Manual Radius This option 15 only available when arc nesting 15 selected It is used to show the current radius of arc when adjusting the cut off profile shape Angle Shows the current angle of blank rotation when adjusting the blank position Pitch The program automatically calculates the nesting result and shows the current pitch of blank on coil according to the adjusted blank position and cut off profile shape Width The program automatically calculates the nesting result and shows the current width of blank on coil according to the adjusted blank position and cut off profile shape Utilization The program automatically calculates the current utilization of blank nesting according to the adjusted blank position and cut off profile shape RECORD This function enables the user to record the maximum value of utilization calculated from the adjusted nesting results Besides the maximum utilization the program will also save the corresponding blank position and cu
13. e option will be displayed as illustrated Figure 1 35 a and Figure 1 35 27 ETA BSE in NX 2 0 User Manual o1 Constraint b Dimension Dimension plate plate Length 100000 000 Calculator Length 10000 0000 Width 50000 0000 I Width 391 5000 Weight 392 5000 Blank Align Angle 0 0000 Center Up Fix Pitch 0 0000 Q Use Fall 0 0000 l Width gt Pitch Fix Angle _ 0 0000 in One R Fix Pitch 0 0000 Blank Range gt gt 1 Range Min Max Range Min Max Angle 0000 180 0000 Angle 0 0000 180 0000 Width 0 0000 5484 000 Width 0 0000 5484 000 Pitch 5484 000 Pitch 5484 000 Cut off die Cut off die L nge 0 0000 180 0000 LAngle 0 0000 180 0000 RAnge 0 0000 180 0000 RAnge 0 0000 180 0000 Radius 0 0000 5484 000 E 0 Cancel a Coil b Plate Figure 1 35 Complete dialog box in Constraint RANGE OPTION This option uses the range values to constrain the parameters such as rotation angle width pitch cut off profile angle and cut off profile arc radius ANGLE Min Max Use an angle with a certain range to constrain the blank rotation and blank width After entering the minimum and maximum values of angle bla
14. econd row in Draw Nesting Type By clicking the Create Blank Outline button the program will automatically generate blank outline according to the currently selected Draw Nesting Type including rectangle parallelogram trapezoid isosceles trapezoid and arc outline The user can view it after exiting the nesting dialog box 35
15. g report BLANK OUTLINE COLOR Enable the user to change color of the blank outline OUTPUT UNIT Display current unit system in nesting report PRODUCTION VOLUME PER COIL Enable the user to select Production Volume or Per Coil for cost calculation This option 1 unavailable if the blank 1s plate PRODUCTION VOLUME Enable the user to define production volume This option 15 unavailable if the blank 15 plate COIL LENGTH Display coil length defined in Constraints This option is unavailable if the blank 1 plate BASE MATERIAL COST Enable the user to define base material cost EXTRA MATERIAL COST Enable the user to define extra material cost SCRAP VALUE COST Enable the user to define scrap value cost CONSUMABLES COST Enable the user to define consumable cost COMMENTS Enable the user to write comments in the nesting report A typical nesting report is illustrated in Figure 1 45 22 Date File Name File Units Material Type Material Thickness Bridge Span Edge Width Addendum Production Volume Coil Length Coil Weight Plate Length Plate Width Base Material Cost Extra Material Cost Scrap Value Consumables Cost Nesting Layout ETA BSE in NX 2 0 User Manual Nesting Report Dec 19 2013 BSE in NX case htm MM KG SEC N cQ 1 0 0 038 5 0 0 197 2 0 0 079 0 0 0 0 100000 0 3937 008 101 165 223 029 0 0 0 2 0 024 0 35 Additional Comments mm
16. is changed to Blank Outline 1 2 4 PARAMETERS This function is used to set various parameters for the nesting including the Edge Width Bridge Span Addendum and Feed Scrap The interface is illustrated in Figure 1 30 18 ETA BSE in NX 2 0 User Manual Edge Width Addendum 0 G Bridge Span oO Feed Scrap 0 0 Figure 1 30 Nesting Parameters Edge Width This option allows the user to define the gap between blank outline and coil edge The default value 15 2 Bridge Span This option allows the user to define the gap between parts The default value 15 5 Addendum This option allows the user to expand the selected blank outline The default value is zero Feed Scrap For the progressive press part the user can define the feed scrap required for nesting and mark on the nesting result drawing The default value 15 zero The parameters are shown in Figure 1 31 C Addendum Edge Width Bridge Span Figure 1 31 Edge Width Bridge Span and Addendum 1 2 5 CONSTRAINT This function enables the user to constrain the dimension of the coil and the angle of blank relative to the coil direction The tab is illustrated in Figure 1 32 and Figure 1 33 19 ETA BSE in NX 2 0 User Manual Constraint Dimension Plate Length 100000 000 Width 50000 0000 Weight 381 5000 Blank Angle 0 0000 Pitch 1 ooo Fix Width 0 0000 Width gt Pitch In One R
17. l the nesting types in the second row and save the calculation results corresponding to each nesting type in the result list for the user to browse and compare the difference 17 ETA BSE in NX 2 0 User Manual 1 2 2 OPTIMIZATION There are two types of nesting optimization as illustrated in Figure 1 28 One is to use the material utilization as optimization target to maximize the use of coil The other 15 to use the material for nesting as optimization target to minimize the coil price for nesting The user can select either optimization type as the target to achieve the desired result Optimization Max Utilization Cost Figure 1 28 Optimization type Max Utilization This is a commonly used optimization type which is to maximize the material utilization in the nesting process Min Cost The coils used for nesting have different costs During nesting calculation besides the material utilization the production cost will also be considered so that the material cost could be minimized for nesting Once this option 1 toggled on the Cost button will be enabled 1 2 3 BLANK OUTLINE After the Blank Outline Undefined button is clicked it will display the Select Blank Outline dialog box shown in Figure 1 29 which prompts the user to select one or a group of closed outline to define blank outline Figure 1 29 Select Outline dialog box Note After the Blank Outline is defined the button name
18. lank flexibly Toggle on this option to translate and rotate the blank position flexibly without considering the interference of other blanks This option 15 available only for One up Nesting Two up Nesting Two pair Nesting Mirror Nesting and Multiple Nesting SELECT BLANK This function allows the user to select master blank and slave blank respectively to perform operations such as translation rotation and mirroring and adjust the position between blank nesting for multiple parts nesting manually Once a blank 15 selected the outline of this blank turns to grey Since Master Blank mainly controls the pitch size during nesting the adjusting button can only be enabled after selecting the Slave Blank option from the list TRANSFORMATION E Move selected blank outline in positive X Axis direction according to incremental distance Move selected blank outline in negative X Axis direction according to incremental distance Move selected blank outline in positive Y Axis direction according to incremental distance gt Move selected blank outline in negative Y Axis direction according to incremental distance ROTATION Rotate selected blank outline clockwise by incremental angle Rotate selected blank outline counter clockwise by incremental angle PARAMETERS This function 15 used to show the current parameters and the user may adjust these values directly According to the adjusted parameters the program automatically calcul
19. late the width and pitch of different nesting type according to the produced OUTLINE The program will automatically calculate the gross weight of the product according to the envelope area produced with width and pitch and the density and thickness of the defined material FALL OFF WEIGHT BLANK The scrap weight 15 the gross weight minus the net weight 1 2 11 CALCULATE 3D TRIMLINE This button is only activated when the user uses MSTEP and selects Draw Nesting Type for pitch scaling To automatically project the adjusted 2D line onto the 3D product part the user should select one result of the nesting calculation and click Calculate 3D Trim Line button The user can view the 3D projection line on the part after exiting the Nesting dialog box 1 2 12 CALCULATE ADDENDUM This button 1 only activated when the user selects Draw Nesting Type Click the Calculate Addendum button to display the dialog box illustrated in Figure 1 46 5 Calculate Addendum Compensating rate Addendum Figure 1 46 Calculate Addendum dialog box Compensating Rate Compensating rate is used to calculate a coefficient of addendum and the default is 0 8 The user 34 ETA BSE in NX 2 0 User Manual is allowed to modify the value Addendum The program can automatically calculate an appropriate addendum according to the empirical formula by empirical formula according to the current nesting result Pitch and Width and compensa
20. mization type on Setup page and it is illustrated in Figure 1 36 The Cost dialog shows the material name and thickness applied to the outline defined on the Setup page and provides the list of material It allows the user to perform create or delete operations Material CO Thickness 1 00 Base Cost 500 000 091 000 988 000 970 000 953 000 975 000 982 000 Width Base Cost 600 0000 991 0000 Cost List Change Extra Cost 0 2000 Scrap Cost 0 0240 Figure 1 36 Cost Page 24 ETA BSE in NX 2 0 User Manual Material Material shows the material name defined on Unfold Part page and cannot be modified Thickness shows the material thickness defined on Setup page and cannot be modified List In the installation directory folder ETA BSE in NX2 0 tpl csv there is a price csv file which is table made according to different thickness and width The initial price values in the price list are read in from this file and the user 1s may edit this file New Bl allows the user to create a line at the end of the list and enter the width and cost in the input box illustrated m Figure 1 37 After selecting this icon the program will automatically add a new line and the price value is same with the one in the input box Width Base Cost 0000 991 00001 Figure 1 37 Cost input box Delete allows the user to delete any line in the list Extra Cost allows the use
21. mm mm mm kg mm mm S kg S Kg S kg blank MATERIAL UTILIZATION 83 9224 k Pitch Width Material Utilization Product Weight Yield Ratio Fall Off Rotation Angle Net Weight Blank Gross Weight Blank Fall Off Weight Blank Blank Perimeter Minimum Blanking Force No of Coils Total Material Blank RESULTS Single Blank One Up Orientation 219 322 8 635 128 873 5 074 83 922 0 186 0 411 84 045 16 078 90 000 0 186 0 411 0 222 0 489 0 036 0 079 546 141 25 439 18 384 0 0 394 Total Cost of Production 0 0 mm Total Scrap Value 0 0 No of Blanks Coil 456 kg Bridge Com Rate Bridge blank Report generated by ETA BSE in MX www eta com Figure 1 45 Nesting Report example 33 mm ETA BSE in NX 2 0 User Manual YIELD RATIO Different from the nesting utilization this option is the ratio between the Product Weight and Pitch Width In the nesting report the values in Product Weight option and Yield Ratio option can only be output after the user submits the 3D product to estimate the outline excluding the tailor welded blank parts NET WEIGHT BLANK After the user has run MSTEP for the outline estimation the program will automatically calculate the weight of 3 dimension blank according to the dimension of the generated OUTLINE and the density and thickness of the defined material GROSS WEIGHT BLANK The program will automatically calcu
22. nd 3 interferences Figure 1 4 Check Surface dialog box Mesh Display This option will be activated after the sheet has been defined as illustrated in Figure 1 5 Toggle on this option to display the tool mesh ETA BSE in NX 2 0 User Manual Figure 1 5 Sheet Mesh Mesh Parameter Click this button to display the Mesh Parameter as illustrated in Figure 1 6 The user is enabled to modify the mesh parameters in this window as needed The mesh will be automatically updated after the parameters have been confirmed Mesh Parameters Max Size Min Size Chordal Deviation Angle Gap Tolerance Ignore Hole Size Figure 1 6 Mesh Parameter ETA BSE in NX 2 0 User Manual 1 1 3 BINDER This function 1 used to define the binder Flat and Curve represent the plate binder and curve binder respectively The default option 15 Flat The user is enabled to modify the binder type as needed If the Curve option 15 selected the Define Curve Tool button and Tool Display option will be activated as illustrated in Figure 1 7 Binder CO Flat Curve Mesh Display Figure 1 7 Tool Definition Define Curve Binder Click the Define Curve Binder button to display the Class Selection dialog box illustrated in Figure 1 3 The user is allowed to select the surface as the curve tool Tool Mesh Display Toggle on this option to display the defined curve tool mesh 1 1 4 CONSTRAINT SETTING
23. nk nesting calculates a series of results according to the defined range of the rotation angle WIDTH Constrain the width of the coil or sheet Min Max The width range is used as the width constraint The user defines the allowable range of the blank width Min and Max Blank nesting calculates a series of results according to the defined range of the width PITCH 23 ETA BSE in NX 2 0 User Manual Constrain the pitch value during nesting Cut off die L Angle The angle between the left side of parallelogram 1sosceles trapezoid and trapezoid with the positive direction of X Axis Use an angle value within a certain range to constrain the shape of the parallelogram isosceles trapezoid and trapezoid profiles After entering the minimum and maximum values of angle blank nesting calculates a series of results accordingly R Angle The angle between the right side of trapezoid and the positive direction of X Axis Use an angle value within a certain range to constrain the shape of trapezoid profile After entering the minimum and maximum values of angle blank nesting calculates a series of results accordingly Radius The radius of the arc profile Use an angle value within a certain range to constrain the shape of arc profile After entering the minimum and maximum values of angle blank nesting calculates a series of results accordingly 1 2 6 COST The Cost button can only be enabled when the user selects Min Cost as the opti
24. ny type from the result list to display the information corresponding to this type such as the angle width pitch and utilization PROGRESS BAR The progress bar 1s activated to display the completion progress of nesting during the nesting calculation 1 2 9 MANUAL This Manual button enables the user to adjust the relative position between two blanks by moving rotating and mirroring the blank Click on the Manual button to open the Manual dialog box illustrated in Figure 1 41 Manual X Y Step Angle Step 2 0000 Select Blank Blank 1 v lt Manual Operation L Angle 0 0000 Angle 0 0000 Radius 0 0000 Angle 90 0000 Pitch 219 3216 Width 128 8729 Utilization 83 9221 Figure 1 41 Manual nesting interface X Y STEP 28 ETA BSE in NX 2 0 User Manual This function allows the user to set incremental values for the X and Y direction for the transformation During the nesting calculation the program will translate the blank according to the defined steps within the defined range to obtain a series of results The default X Y step is 10 ANGLE STEP This 1s the angle increment for blank rotation The default angle step 15 2 degrees During the nesting calculation the program will rotate the blank according to the defined steps within the defined angle range to obtain a series of results FREE This option allows the user to adjust the b
25. outine1 03 Result One up Max Util 83 922 Detail list Utr83 922 Angle90 0 Width 128 9 Prtch 219 3 Utr 83 884 Angle 30 2 Width 128 9 Prtch 219 3 Utr83 63 ngle 89 4 Width 129 1 Pritch 219 3 Utr83 741 Angle 91 0 Width 129 2 Prtchz219 3 83 419 Angles Width 218 6 Pitch 130 1 483 223 Angle 31 5 Width 130 0 Pitch 219 3 Utr82 810 Angle 8 3 Width 218 3 Pitch 131 2 Utr82 568 Angle10 9 Width 217 4 Pitch 132 2 Utr82 341 Angle l 0 Width 221 8 Pitch 129 9 Utr 793 036 Angle 34 4 Width 136 6 Pitch 219 7 Utr 78 722 Angle 34 6 Width 137 1 Pritch 219 7 Uti 78 126 Anglel7 7 Width 223 3 Pitch 135 9 4 n P Figure 1 40 Nesting result OUTLINE Multiple outlines are supported by the program and the user 1 allowed to select one of the outlines from the drop down list of Outline The button is used to delete the selected outline If the user selects one outline and all results corresponding to this outline will be deleted RESULT After selecting the outline and nesting type and clicking the Apply button to generate the nesting result the nesting results for all types will be listed in the result list and the user can select any one of the results from the drop down list After selecting the result all results corresponding to the type will be displayed in the detail list 27 ETA BSE in NX 2 0 User Manual DETAIL LIST The user may select a
26. ow Figure 1 32 Coil Constraint Constraint Dirnension 3 Coil Length io000 0000 Calculator Width 5000 0000 Weight 382 5000 Align Center C Up Left Use Fall Off Fix Angle Fix Pitch Figure 1 33 Plate Constraint 20 ETA BSE in NX 2 0 User Manual DIMENSION It allows the user to operate nesting for the coil or plate The program will automatically constrain the nesting results according to different blanks selected LENGTH After the Coil is selected Fix Length 15 used to constrain the coil length If the inner diameter ID and outer diameter OD are defined the user is allowed to calculate the length by clicking the Calculator button After the Plate is selected the user may enter a plate length value to constrain the nesting drawing The value will be marked on the nest defining result drawing CALCULATOR Click on the 2 Celeuteter 1 button and the Calculator dialog box will be displayed as illustrated in Figure 1 34 After the inner diameter ID and outer diameter OD values are selected the coil length will be displayed in the Length field Calculator ID 1 000 BLADE Figure 1 34 Calculator dialog box WIDTH After the plate is selected the user may enter a sheet width value to constrain the nesting drawing The value will be marked on the nest defining result drawing Note This function is available only when the blank type is Plate
27. parameters in metric unit English This option enables the user to define the nesting setup parameters in English unit NO OF OUTLINES This function enables the user to set the number of blank outlines in the nesting result The default is three The user 15 allowed to select multiple numbers to display from a list LENGTH DIGITS This function enables the user to set the length digits in the nesting result and 0 to 5 decimal digits can be set The default is one decimal places UTILIZATION DIGITS This function enables the user to set the utilization digits displayed in the nesting result and 0 to 5 decimal digits can be set The default 1s three decimal places APPLY Click the Apply button to calculate the nesting result and show it on the screen according to the current blank position as illustrated in Figure 1 39 Only after the user has defined the blank outline and selected the nesting type the Apply button can be activated 26 ETA BSE in NX 2 0 User Manual i 7 C3 7 m I n 9 Vl i r 7 4 e MEL A d 5 L WU 0v Vv s v Figure 1 39 The Result of One up Nesting 1 2 8 RESULT A series of nesting results calculated under constraints are displayed in the list as illustrated in Figure 1 40 Note The user is not allowed to delete the nesting result separately in this version Outline
28. r to accept default or modify the extra material price Scrap Cost allows the user to accept default or modify the scrap price 1 2 7 ADVANCED This function sorts the seldom changed parameters together for the user to set up The user 15 allowed to set Parameters Output Unit No of Outlines and Decimal digits as illustrated in Figure 1 38 3 Advanced Parameters Default By Csv File Output Unit Metric English MM KG SEC N NO Of Outlines 3 Length Digits 1 v nc Utilization Digits 3 m OK Cancel Figure 1 38 Advanced Option 25 ETA BSE in NX 2 0 User Manual PARAMETERS This function is used to set the Edge Width and Bridge Span The By Csv file options Is used to specify the determination of the initial edge width and bridge span If the By Csv file option is selected the parameter will read in from the Csv file By Default This option 1 selected by default in this case the Edge Width 15 2 times of material thickness and Bridge Span is 5 times of material thickness By This option enables user to read in initial edge width and bridge span from NestingParameter csv file which 1 in the installation directory folder This file sets the edge width and bridge span according to the perimeter of the defined outline It also allows the user to modify and edit the values OUTPUT UNIT Metric This option enables the user to define the nesting setup
29. rresponding material in the list Standard There are three types of standard material libraries and they are United States China and Japan Category There are two types of material categories Steel and Aluminum Strength Level The material library allows the user to classify the following steel grades Low Medium High Advanced High Hot Roll and Cold Roll Thickness The user shall key in the desired blank thickness with mm as its unit 1 1 2 SHEET Click the Define Sheet button to display the Class Selection dialog box as illustrated in Figure 1 3 and the user is allowed to select the corresponding surface through this dialog box Click the OK button to confirm the selection and exit the dialog box The program will automatically mesh the surface after the sheet has been defined ETA BSE in NX 2 0 User Manual Ge Class Selection Objects Select All Invert Selection Other Selection Methods Select by Name Filters A Type Filter Layer Filter Color Filter Attribute Filter Reset Filter Figure 1 3 Class Selection dialog box Check Surface Toggle on this option the program will automatically check if there 1s the interference for the defined tool surface If there 1 the interference face it will be highlighted and a message box will be popped up to prompt the user with the amount of the interference face The Check Surface dialog box is illustrated in Figure 1 4 fi
30. s ETA BSE in NX2 0 startup The methods for obtaining the access file are as follows Contact with the product sales together with eta log file or send the eta log file directly to support eta com 1 1 UNFOLD PART MSTEP is the Modified One Step solver developed by ETA It provides an option for an iterative one step solution intended to achieve more accurate result with slightly longer computational time than a conventional one step solution It is primarily used to quickly assess formability and estimate the blank outline in the early stage of automobile body design and development cycle The Unfold Part interface is illustrated in Figure 1 1 Unfold Part Material CQ Thickness Sheet Surface Check Mesh Display Mesh Parameters Define Sheet Binder Flat C Curve Constraint Setting Auto Orientation Advanced Setting Report Figure 1 1 Unfold Part interface ETA BSE in NX 2 0 User Manual 1 1 1 MATERIAL It enables the user to define material type and blank thickness After clicking the Material button the material library GUI illustrated 1n Figure 1 2 1s displayed gt Library Calegury Strength Lawal Meter al Name Figure 1 2 Material Library dialog box The user 15 allowed to select the Standard Category and Strength Level The corresponding materials will be listed in the material name list and the user 15 allowed to select the co
31. ssor analysis options and read in the analysis results The program will open as many postprocessors as the post analysis options are selected by the user VIEW REPORT This button will be highlighted only after the reported 15 generated Click this button to view the generated report VIEW RESULT This option 15 only highlighted after the MSTEP submits for calculation Click this option and the program will automatically call the Post processor of eta post and read in the result file for the user to deal with the forming analysis Note ETA Post is a general post processor for all ETA software including DYNAFORM VPG FEMB and BSE in NX POST is an independent application module The POST module quickly post processes result data of finite element analyses including the real time animation of stresses strain energy displacements and time history curves Its fully dynamic allocation of memory optimizes system resources allowing for unlimited model sizes APPLY This button will be activated only after the user uses MSTEP for analysis and solving Clicking this button will cause the program to automatically use the postprocessor to read in the dynain file show the results from four different angles in the report according to different postprocessor analysis options and mark the maximum and minimum values of contour results on the part model as illustrated in Figure 1 15 10 ETA BSE in NX 2 0 User Manual Formability Report
32. t off profile shape Clicking 9 button the program will automatically show the nesting result for the maximum utilization in view area and the dialog box OK Click the OK button to confirm the modified nesting result and exit the Manual dialog box CANCEL Exit the Manual dialog box without any modification MANUAL OPERATION The user 15 also allowed to adjust the blank and cut off profile directly in the view area Click this button to display the Select Feature points dialog box illustrated in Figure 1 42 Figure 1 42 Select Feature Points dialog box There are blue feature points labeled in the center of blank pitch width and the side length of cut off profile as illustrated in Figure 1 43 Moving the mouse cursor to the feature point the program will show the translation and rotation arrows near the cursor for the user to adjust the blank and cut off profile shape directly The user can click the left mouse button once to start manual operation and click the left mouse button again to end the manual operation The user can also adjust them through manual adjustment buttons in the Manual dialog box No matter which adjustment method 15 selected the current values of the corresponding parameters will be displayed in the position dialog box during adjustment When the user selects Two up Nesting Two pair Nesting Mirror Nesting or Multi blanks Nesting there are three blue feature points labeled in the center of the master blank
33. ting rate The user 15 not allowed to modify the addendum value Click the OK button to obtain an appropriate Addendum value Click the Cancel button to exit this dialog box The program will automatically put the calculated addendum on the Setup page for the user to redo the nesting calculation according to this addendum 1 2 13 CALCULATE BRIDGE This button can only be activated when the user selects One up Nesting This option is mainly used to maximize the material utilization Click Calculate Bridge button to display the dialog box illustrated in Figure 1 47 Calculate Bridge Compensating rate 9000 Bridge Te LED Cancel Figure 1 47 Calculate Bridge Compensating Rate Compensating rate is used to calculate a coefficient used to determine the bridge size and the default 1 0 9 The user is allowed to modify the value Bridge The program can automatically calculate an appropriate bridge value by the empirical formula for compensation according to the current nesting result Edge Width and compensating rate The user is not allowed to modify the bridge value Click the OK button to obtain an appropriate Bridge value Click the Cancel button to exit this dialog box The program will automatically redo the nesting calculation after applying the new bridge value The nesting result will be updated accordingly 1 2 14 CREATE BLANK OUTLINE This button 1 only available when user selects s
Download Pdf Manuals
Related Search