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1. Model 3 Reference Millimeters Inches g marks Display step Display BE mm E uu g steplinch 5 g ne S AE 3 AR P31 P43 P33 P38 P P 38 CT 2 single 0 0005 5 4 0 00002 2 5 MT xx01 0 0002 2 4 0 00001 1 5 LIP 401A 401R single 0 0001 1 4 0 000005 5 6 0 00005 5 5 0 000002 2 6 Recommended onl IP 401 0 00002 2 5 0 000001 1 6 0 00001 1 5 0 0000005 5 7 0 000005 5 6 0 0000002 2 7 LF 103 103C 4 single 5000 0 001 1 3 0 00005 5 5 LF 401 401C 0 0005 5 4 0 00002 2 5 LIF 101 101C 0 0002 2 4 0 00001 1 5 LIP 501 501C 0 0001 1 4 0 000005 5 6 LIP 101 single 0 00005 5 5 0 000002 2 6 Recommended only for LIP 101 0 00002 2 5 0 000001 1 6 0 00001 1 5 0 0000005 5 7 MT xx 10 single 0 0005 5 4 0 00002 2 5 0 0002 2 4 0 00001 1 5 0 0001 1 4 0 000005 5 6 LS 303 303C 20 single 1000 0 01 1 2 0 0005 5 4 LS 603 603C 0 005 5 3 0 0002 2 4 Linear Encoders Linear Encoders 36 Parameter settings for HEIDENHAIN linear encoders 11 pA continued Model 3 Reference Millimeters Inches marks Display step 7 Display 7 to RE E Eg E Eg 25 amp gs amp ga P31 P43 P33 P38 P P 38 LS 106 106C 20 single 1000 0 001 1 3 0 00005 5 5 LS 406 406C 0 0005 5 4 0 00002 2 5 LS 706 706C ST 1201 z LB 302 302C 40 single 2000 0 005 5 3 0 0002 2 4 LIDA 10x 10xC 0 002 2 3 0 0001 1 4 0 001 1 3 0 00005 5 5 0 0005 5 4 0 00002 2 52. Select the axis e g Z enter the nominal coordinate e g 20 mm and confirm with ENT Move the Z axis until the display value is zero The tool is at position 2 Select the axis enter the nominal coordinate e g 20 mm radius confirm with ENT Move the X axis until the display value is zero The tool is at position Exit the distance to go mode The A symbol goes out Taper Calculator The taper calculator enables you to calculate the angle for the top slide There are two possibilities Calculation from taper ratio Difference between taper radii and length of taper Calculation from two diameters and the length Starting diameter Final diameter Length of taper Calculation from taper ratio Select the special functions Select the taper calculator Confirm the function Confirm the function Enter the first value e g 1 and confirm with ENT Enter the second value e g 3 confirm with ENT length of taper is three times as large as radius difference The result is displayed in the message field or Exit the taper calculator Calculation from two diameters and the length l Select the special functions Select the taper calculator for input of diameters and length Confirm the function Select the taper dimensions function Confirm the function O Enter
3. DELTA MODE ND 730 42 106 ND 770 58325 Status display SET Setdatum REF Blinking A Distance to go Inch Inch display SCL Scaling factor R 1 Position display ND 730 only two axes Select coordinate axes ND 730 only X and Z Select axis specific operating parameters Traverse the reference points On continuously Reference points have been traversed SET SET REF LU SET REF Radius diameter display Selectedtool Tool compensation Page backward in the list of special functions Page backward in the list of parameters Numerical input Change algebraic sign Calllast dialog Change parameters in the parameter list Confirm entry Page forward in the parameter list Select radius diameter display in X axis Select special functions Page forward in the list of special functions Cancel entry Reset operating mode Zero the selected axis if activated via P 80 Select parameter CL plus two digit number About this manual This manual is divided into two parts Part I Operating Instructions Fundamentals of positioning ND functions Part Il Installation and Specifications Mounting the display unit on the machine Description of operating parameters Part Operating Instructions Funda
4. 1596 to 1650 el Cross slide saddle and top slide On conventional lathes the tool is mounted on a slide that moves in the direction of the X axis the cross slide and in the direction of the Z axis the saddle Most lathes have a top slide above the saddle The top slide moves in Z axis direction and is designated Zo Datum setting The workpiece drawing is used as the basis for machining the workpiece To enable the dimensions in the drawing to be converted into traverse distances of machine axes X and Z each drawing dimension requires a datum or reference point on the workpiece since a position can only be defined in relationship to another position The workpiece drawing always indicates one absolute datum the datum for absolute dimensions However it may contain additional relative datums In the context of a numerical position display unit datum setting means bringing the workpiece and the tool into a defined position in relation to each other and then setting the axis displays to the value which corresponds to that position This establishes a fixed relationship between the actual positions of the axes and the displayed positions With the ND you can set one absolute datum point and as many as 9 relative datum points tool datums and store them in nonvolatile memory Absolute datum Tool datums tool compensation You
5. inputs for the ND 730 Encoder input X1 is for the X axis Encoder input X2 is for the Z axis Assignment of the encoder inputs for the ND 770 Encoder input X1 is for the X axis Encoder input X2 is for the Zo axis Encoder input X3 is for the Z axis Encoder monitoring Your display unit features a monitoring system for checking the amplitude and frequency of the encoder signals If it detects a faulty signal one of the following error messages will be generated SIGNAL X FRO ERR X Encoder monitoring can be activated with parameter 45 If you are using linear encoders with distance coded reference marks the encoder monitoring system also checks whether the spacing of the reference marks as defined in parameter P43 is the same as the actual spacing on the scales If it is not the following error message will be generated ERR REF X O Connecting the Encoders 29 Operating Parameters 30 Operating Parameters Operating parameters allow you to modify the operating characteristics of your display unit and define the evaluation of the encoder signals Operating parameters that can be changed by the user are called user parameters and can be accessed with the SPEC FCT key and the dialog PARAMETER user parameters are identified as such in the parameter list The full range of parameters can only be accessed via the dialog CODE and input of the code numbe
6. operating parameters gt Pressthe SPEC FCT or CL key List of operating parameters POOCODE Enterthe code number 9 51 48 Change protected operating parameters 66 55 44 Display the software version in the X axis Display the date of release in the Y axis 10 52 96 Multipoint axis error compensation POl Unit of measurement 1 Display in millimeters MM Display in inches INCH P03 1 to P03 3 Radius diameter display 1 Display position value as radius RADIUS Display position value as diameter DIAMETER PO6 Select the sum display Sum display default setting SUM ON Sum display selectable with the ZO and Z keys SUM OFF P11 Activate scaling factor 1 Scaling factor active SCALING ON Not active SCALING OFF P12 1 to P12 3 Enter scaling factor 1 Enter a scaling factor separately for each axis Entry value gt 1 workpiece will grow Entry value 1 workpiece will remain the same size Entry value lt 1 workpiece will shrink Input range Default setting 0 111111 to 9 999999 1 P30 1 to P30 3 Counting direction Positive counting direction with positive direction of traverse DIRECT POS Negative counting direction with positive direction of traverse DIRECT NEG P31 1 to P31 3 Signal period of the encoder Input range 0 00000001 to 99999 9999 um Default setting 20 um P33 1 to P33 3 Counting step 0 1 2 3 4 5 6 7 8 9 0 2 4 6 8 0 5 P38 1to P38 3 Decim
7. workpiece datum and data for up to 9 tools relative datums Setting the absolute workpiece datum When you enter a new value for the absolute workpiece datum all tool data are then based on the new workpiece datum Qe Touch the workpiece end face with the tool Enter the position of the tool tip e g 0 mm Confirm with ENT Enter further axes in the same way X Entering tool data relative datums Select tool T starts blinking Enter tool number e g 3 and confirm with ENT Touch the workpiece end face with the tool Select the special functions 94949 Cj Select the tool setting function The decimal point next to T and the decimal points below T start blinking Toon SET N S Select the axis e g Z enter the position of the tool tip e g 0 mm and confirm with ENT Touch the workpiece or turn the first diameter Select the axis e g X enter the positio of the tool tip e g 20 mm and confirm with ENT TERES P X 54 Bie select a new tool number and enter the To set additional tools change the tool data for the next tool SPEC s Exit the special functions v only When you work with the sum display also set the tool data when the sum display is active ND 770 Holding Positions If you
8. 5 Items Supplied ND 730 for 2 axes or ND 770 for 3 axes Power connector Id Nr 257 811 01 User s Manual Optional accessories Tilting base for housing bottom Id Nr 281 619 01 Connections on Rear Panel ID label Power switch SO SZ EO Sz Power input Ground terminal Encoder inputs X1 to X3 ng Connections X1 X2 X3 meet the requirements for electrical separation according to EN 50178 Rubber feet with M4 thread Connections on Rear Panel 27 Power Connection Mounting 28 Mounting To mount the display unit on a support use the M4 threaded holes in the rubber feet You can also mount the display unit on the optional tilting base Power Connection Power leads and Connect protective ground to Powersupply 100 Vac to 240 Vac 15 to 10 50 Hz to 60 Hz 2 Hz A voltage selector is not necessary Danger of electrical shock A Connect a protective ground This connection must never be interrupted e Unplug the power cord before opening the housing To increase the noise immunity connect the ground terminal on the rear panel to the central ground point of the machine minimum cross section 6 mm Tilting base Support Connecting the Encoders Your display unit will accept all HEIDENHAIN linear encoders with sinusoidal output signals 11 to 16 App and distance coded or single reference marks Assignment of the encoder
9. Clo co o e H o N o 4S0c c 9G i 7 ea Sis E cr ea ar E3 Ln 3 ES 25 iu ein ic ni x I o x x xx za iN LU NIE he eL 9 41 800 VOZ 2 O vL Z 0 98 S 0 6Z 800 890 6 ZOFOEZ p 80078778 T OF6OZ Ey 2 N NN oo e OL eer 800 L ZOFLZ 0 eU oz 80 99 paw e c E6 HEIDENHAIN DR JOHANNES HEIDENHAIN GmbH Dr Johannes Heidenhain Straf e 5 83301 Traunreut Germany 49 8669 31 0 FAX 49 8669 5061 e mail info heidenhain de Technical support Ax 49 8669 31 1000 Measuring systems amp 49 8669 31 3104 e mail service ms supportQheidenhain de TNC support 49 8669 31 3101 e mail service nc support heidenhain de NC programming 49 8669 31 3103 e mail service nc pgm heidenhain de PLC programming amp 49 8669 31 3102 e mail service plc heidenhain de Lathe controls 49 711 952803 0 e mail service hsf heidenhain de www heidenhain de HEIDENHAIN G B Limited 200 London Road Burgess Hill West Sussex RH15 9RD Great Britain 01444 247711 AX 01444 870024 341 697 24 SW 246 271 07 10 5 2003 F amp W Printed in Germany Subject to change without notice
10. Recommended only for LB 302 0 0002 2 4 0 000000 1 5 0 0001 1 4 0 0000005 5 6 LB 301 300 100 single 1000 0005 5 3 0 0002 2 4 0 002 2 3 0 0001 1 4 0 001 1 3 0 00005 5 5 LIM 501 10240 single 0 1 1 1 0 005 5 3 0 01 1 2 0 0005 5 4 0 05 5 2 0 002 2 3 Multipoint Axis Error Compensation up If you want to use the multipoint axis error compen sation feature you must Activate this feature with operating parameter P40 see Operating Parameters Traverse the reference marks after switching on the display unit Enter a compensation value table Your machine may have a non linear axis error due to factors such as axis sag or drivescrew errors Such deviations are usually measured with a comparator measuring system such as the VM 101 This allows you to determine for example the screw pitch error X F X for the X axis An axis can only be corrected in relation to one axis causing the error You can create a compensation value table for each axis with each table containing 64 compensation values The compensation value table is selected with the SPEC FCT key and the dialog PARAM ETER CODE To determine the compensation values e g with a VM 101 the REF display must be selected after selecting the compensation value table Select REF display The decimal point in the left display field indicates that the displayed values are referenced to the reference point If the dec
11. al places 1 2 3 4 5 6 up to 8 with inch display P40 1 to 40 3 Define axis error compensation No axis error compensation COMP OFF Linear error compensation active COMP LIN Multipoint error compensation active COMP MULTI See Multipoint Axis Error Compensation 1 User parameter Operating Parameters 31 Operating Parameters 32 P41 1to P41 3 Linear axis error compensation Linear axis error compensation is activated via parameters 40 1 to 40 3 Input range um 99999 to 99999 Default setting 0 Example Displayed length Lg 620 000 mm Actual length as determined for example with the VM 101 from HEIDENHAIN La 619 876 mm Difference AL La Lg 124 um Compensation factor k k AL Lg 124 um 0 62 m 200 um m P42 1 to P42 3 Backlash compensation 9 999 to 9 999 0 000 no backlash compensation A change in direction might cause a clearance between rotary encoder and table This is referred to as backlash Positive backlash The rotary encoder is ahead of the table The distance traversed by the table is too short entry of positive value Negative backlash The rotary encoder follows the table The distance traversed by the table is too large entry of negative value Input range mm Default setting P43 1 to P43 3 Reference marks One reference mark SINGLE REF Distance coded with 500 SP 500 SP Distance coded with 1000 SP 1000 SP Distance coded with 2000 SP 2000 SP Distan
12. ce coded with 5000 SP 5000 SP SP signal period P44 1to P44 3 Reference mark evaluation Evaluation REF X ON No evaluation REF X OFF P45 1 to P45 3 Encoder monitoring Amplitude and frequency monitoring ALARM ON No monitoring ALARM OFF P48 1 to P48 3 Activate axis display Axis display active AXIS ON Axis display not active AXIS OFF P80 Function of CL key Set to zero with CL CL RESET No set to zero with CL Cli sues OFF P98 Dialog language German English French Italian Dutch Spanish Danish Swedish Finnish Czech Polish Hungarian Portuguese 1 User parameter LANGUAGE LANGUAGE UAGE UAGE UAGE UAGE UAGE UAGE UAGE UAGE UAGE UAGE UAGE EEEEEEEEEEE Qogoo0Qggaoodggg E E DE FR IT ES DA SV FI CS PL PT Operating Parameters 33 Linear Encoders 34 Linear Encoders Setting the display step with linear encoders To select a certain display step you must define the following operating parameters Signal period P31 Counting mode P33 Decimal places P38 Example Linear encoder with signal period 20 um Required display step 0 000 5 mm Signal period P31 20 Counting mode P33 5 Decimal places P38 4 The following tables will help you select the parameters Parameter settings for HEIDENHAIN linear encoders with 11 pA signals
13. hed off or otherwise interrupted You must cross over the reference marks if you want to use the multipoint axis error compensation function See Multipoint Axis Error Compensation Selecting Radius or Diameter Display Your ND can display positions in the cross slide as a diameter or as a radius Drawings of lathe parts usually indicate diameters When you are turning the part however you infeed the tool in the cross slide axis in radius values Example Radius display position X 20mm Diameter display position X 40mm To switch the display Press Separate Value Sum Display ND 7700nly Separate value display In this mode the positions of the saddle and top slide are displayed separately The position displays are referenced to the datum points that you set for the Zo and Z axes When an axis slide moves only the position display for that axis changes Sumdisplay In this mode the position values of both axis slides are added together The sum display shows the absolute position of the tool referenced to the workpiece datum Example Separate value display Z 425 000mm Zo 15 000 mm Sum display Zs 440 000 mm To switch the display Sum display Press the keys Zo and Z at the same time Separate value display Press the key Zo Datum Setting With the ND 730 ND 770 position displays you can set one absolute
14. imal point blinks the reference marks have not been traversed Entries in the compensation value table Axis to be corrected X ZoorZ Zo only ND770 Axis causing the error X ZoorZ Zo only ND770 Datum for the axis to be corrected Here you enter the point starting at which the axis with error is to be corrected This point indicates the absolute distance to the reference point Do not change the datum point after measuring the axis error and before entering the axis error into the compensation table Spacing of the compensation points The spacing of the compensation points is expressed as 2 um Enter the value of the exponent x into the compensation value table Minimum input value 6 2 0 064 mm Maximum input value 20 2 1052 672 mm 23 8388 608 mm Example 900 mm traverse and 15 compensation points results in 60 000 mm spacing between points Nearest power of two 216 um 65 536 mm Entry in compensation value table 16 Compensation value You enter the measured compensation value in millimeters for the displayed compensation point Compensation point O always has the value 0 and cannot be changed on Axis Error Com Multipoi 37 Axis Error Compensation ipoi Mult 38 Selecting the compensation table entering an axis correction FCT or Select the parameter function if required E by repeatedly pressing the TOOL key V P Sy PARAMETER Select the dialog for e
15. mentals 4 Switch On Traversing the Reference Marks 10 Selecting Radius or Diameter Display 11 Separate Value Sum Display only ND 770 12 Datum Setting 13 Setting the absolute workpiece datum 13 Entering tool data relative datums 14 Holding Positions 15 Moving the Axes with Distance To Go 17 Taper Calculator 19 Error Messages 23 Part Il Page 25 Installation and Specifications and following Fundamentals You can skip this chapter if you are already familiar with coordinate systems incremental and absolute dimensions nominal positions actual positions and distance to go Coordinate system To describe the geometry of a workpiece a rectangular or Cartesian coordinate system is used The Cartesian coordinate system consists of three mutually perpendicular axes X Y and Z The point of intersection of these axes is called the datum or origin of the coordinate system Think of the axes as scales with divisions usually in millimeters that allow us to fix points in space referenced to the datum To determine positions on a workpiece the coordinate system is laid onto the workpiece With lathe work i e rotationally symmetrical workpieces the Z axis moves along the axis of rotation and the X axis moves in the direction of the radius or diameter The Y axis can be disregarded since it would always have the same values as the X axis 1 Named in honor of the French mathematician and philosopher Ren Descartes
16. ntering the code number C d CD oS B Enter 105296 and confirm with ENT 989 wv a Se a X Select the axis to be corrected e g X confim With ENT X FCT X Enter the axis causing the error e g X 2 i screw pitch error confirm with ENT Select the special functions Enter the active datum for the error on the axis to be corrected e g 27 mm and confirm with ENT 000 SPACING X Enter the spacing of the compensation points on the axis to be corrected e g 2 um equals 1 024 mm and confirm with ENT TA a 27 000 M Gog Compensation point no 1 is displayed enter the associated compensation value e g 0 01 mm and confirm with ENT J Qu p 28 024 M Enter all further compensation points If you press the MINUS key the number of the current compensation point is shown in the X display wyr R Conclude entry Deleting a compensation value table SPEC FCT Select the special functions Cu Select the parameter function 8 FCT Cu P PARAMETER eof Select the dialog for entering the code number C p CODE K 00ga Bao Enter 105296 and confirm with ENT SFT SPEC FCT Ns P gt AXIS X K A z Select the compensation value table e g for Z axis and delete
17. r 95148 Operating parameters are designated by the letter P and a number Example P11 The parameter designation is shown in the X display when a parameter is selected with the TOOL and ENT keys The parameter setting is shown in the Z 2 ND 730 Zo ND 770 display Some operating parameters have separate values for each axis Such parameters have an additional index number from 1to 3 with the ND 770 and from 1 to 2 with the ND 730 Example P12 1 scaling factor X axis P12 2 scaling factor Zo axis only ND 770 P12 3 scaling factor Z axis The operating parameters are preset before the unit leaves the factory These factory settings are indicated in the parameter list in boldface type Entering and changing operating parameters To access the operating parameters gt Press the SPEC FCT key gt Press SPEC FCT or TOOL until PARAMETER appears in the X display gt Confirm with ENT To select protected operating parameters gt Press the TOOL key to select the POO CODE user parameter gt Enter the code number 95148 gt Confirm with the ENT key To page through the operating parameters gt Page forwards by pressing the ENT key gt Page backwards by pressing the TOOL key To change parameter settings gt Press the minus key or enter the value and confirm with the ENT key To correct an entry gt Press the CL key the old value reappears in the input line and becomes effective again To exit the
18. r display unit should show you the absolute position of the workpiece regardless of the length and shape of the particular tool being used For this reason you must determine the tool data and enter it First touch the workpiece with the cutting edge of the tool and then enter the associated display value for that position You can enter tool data for up to 9 tools When you have set the absolute workpiece datum for a new workpiece all tool data relative datum points are referenced to the new workpiece datum Nominal position actual position and distance to go The positions to which the tool is to move are called the nominal positions The position at which the tool is actually located at any given moment is called the actual position D The distance from the nominal position to the actual position is called the distance to go Sign for distance to go When you are using the distance to go display the nominal position becomes the relative datum display value 0 The distance to go is therefore negative when you move in the positive axis direction and positive when you move in the negative axis direction Absolute workpiece positions Each position on the workpiece is uniquely defined by its absolute coordinates Example Absolute coordinates of position 1 X2 5mm Z 35 mm If you are working according to a workpiece drawing with absolute dimensions you are moving the
19. rence marks When a reference mark is crossed over a signal is generated identifying that position as a reference point scale datum machine datum When these reference points are crossed over the ND s reference mark evaluation feature restores the relationship between axis slide positions and display values as you last defined it by setting the datum If the linear encoders have distance coded reference marks you need only move the machine axes a maximum of 20 mm to restore the datum Workpiece Encoder Scale in linear Distance coded encoder reference marks Reference mark Switch On Traversing the Reference Marks M UNES ccc CC mE ns SEN nn M ux IG a 0 2 Tum on the power switch located on rear panel q 1 REF starts blinking in the status display J gt a ENT CL Confirm reference traverse mode REF remains on continuously Decimal points start blinking bs E C C TN Cross over the reference marks in all axes in any sequence Each axis display becomes active when its reference mark is crossed over amp x Crossing over the reference marks stores the last relationship between axis slide positions and display values for all datum points in nonvolatile memory Note that if you choose not to cross over the reference marks by clearing the dialog ENT CL with the CL key this relationship will be lost if the power is switc
20. the table C DELETE Z M e Confirm with ENT or cancel with CL LO A Cu Conclude entry ion nt Axis Error Compensat ipoi Mult 39 Specifications u E 9 Housing ND 730 ND 770 f Bench top design cast metal Dimensions W H D D 270 mm x 172 mm x 93 mm i Operating temp 0 to 45 C 32 to 113 F Storage temp 20 to 70 C 4 to 158 F Weight Approx 2 3 kg Relative humidity 7596 annual average lt 90 in rare cases Power supply 100 Vac to 240 Vac 1596 to 10 50 Hz to 60 Hz 2 Hz Powerconsumption 15 W Protection IP40 according to EN 60 529 40 Encoderinputs For encoders with 7 to 16 App Grating period 2 4 10 20 40 100 200 um and 12 8 mm Reference mark evaluation for distance coded and single reference marks Input frequency Max 100 kHz with 30 m 66 ft cable Display step Adjustable see Linear Encodes Tool datums 9 nonvolatile Functions Distance to go display Radius diameter display Separate value sum display only ND 770 Hold position Set absolute datum Taper calculator Scaling factor suone yiedg Tilting base hes inc m imensions in m Di 20 Xe ELV S O OZT olin Ft
21. tool to the coordinates Relative workpiece positions A position can also be defined relative to the previous nominal position The datum for the dimension is then located at the previous nominal position Such coordinates are termed relative coordinates or chain dimensions Incremental coordinates are indicated by a preceding I Example Relative coordinate of position 2 referenced to position 1 X 10mm IZ 30 mm If you are working according to a workpiece drawing with incremental dimensions you are moving the tool by the dimensions Signforincremental dimensioning A relative dimension has a positive sign when the axis is moved in the positive direction and a negative sign when it is moved in the negative direction 0 Position encoders The position encoders on the machine convert the movements of the machine axes into electrical signals The ND display unit evaluates these signals determines the actual position of the machine axes and displays the position as a numerical value If the power is interrupted the relationship between the machine axis position and the calculated actual position is lost The reference marks on the position encoders and the REF reference mark evaluation feature enable the ND to quickly re establish this relationship again when the power is restored Reference marks The scales of the position encoders contain one or more refe
22. value e g 10 mm confirm with ENT Enter value e g 20 mm confirm with ENT ano s m Enter value e g 30 mm confirm with ENT The result is displayed in the message field Exit the taper calculator The encoder signal is too weak The scale may be contaminated ERR REF X The spacing of the reference marks as defined in P43 is not the same as the actual spacing FRQ ERR X The input frequency for this encoder input is too high This can occur when the scale is moved too fast ERR MEMORY Checksum error Check the datum operating parameters and compensation values for multipoint axis error compensation If this error recurs contact your service agency SIGNAL X To clear error messages When you have removed the cause of the error gt Press the CL key Part Il Installation and Specifications Items Supplied 26 Connections on Rear Panel 27 Mounting 28 Power Supply 28 Connecting the Encoders 29 Operating Parameters 30 Entering changing operating parameters 30 Operating parameter list 31 Linear Encoders 34 Setting the display step 34 Compatible HEIDENHAIN linear encoders 35 Multipoint Axis Error Compensation 37 Input in compensation value table 37 Selecting a compensation value table entering axis error values 38 Deleting a compensation value table 39 Specifications 40 Dimensions ND 730 770 41 Part Il Installation and Specifications 2
23. want to measure the workpiece after turning the first diameter your display unit has the capability to freeze hold the actual position before you retract the tool Turn the first diameter for example in the X axis l Select the special functions w Select the holding positions function Select the axis whose position is to be held and eg X confirm with ENT Cw Retract the tool The X axis display remains stopped Measure the workpiece Enter the measured position for example 12 mm and confirm with ENT The display shows the current tool position Moving the Axes with the Distance To Go Display Normally the display shows the actual position of the tool However it is often more helpful to display the remaining distance to the nominal position distance to go You can then position simply by moving the axis until the display value is zero Application example Finish tuming a shoulder by traversing to zero SPEC FCT Select the special functions EY Cu SPEC Fee or Select delta mode C DELTA MODE E Confirm the distance to go A lights gt Cw X EE Select the axis e g X enter the nominal coordinate e g 15 mm radius confirm with ENT Move the X axis until the display value is zero The tool is at position
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