User manual HEIDENHAIN TNC 407

[. . . ] Controls on the TNC 407, TNC 415 B and TNC 425 Controls on the visual display unit Toggle display between machining and programming modes GRAPHICS TEXT SPLIT SCREEN Programming path movements APPR DEP L Approach/depart contour Straight line Switch-over key for displaying graphics only, program blocks only, or both program blocks and graphics Soft keys for selecting function in screen CC Circle center/pole for polar coordinates Circle with center point Circle with radius Tangential circle Chamfer Corner rounding C CR Shift keys for soft keys Brightness, Contrast CT CHF RND Typewriter keyboard for entering letters and symbols QWE R T Y GFSTM Machine operating modes File names/ comments ISO programs Tool functions TOOL DEF TOOL CALL Enter or call tool length and radius Activate tool radius compensation R L R+ R- Cycles, subprograms and program section repeats MANUAL OPERATION EL. HANDWHEEL POSITIONING WITH MDI PROGRAM RUN/SINGLE BLOCK PROGRAM RUN/FULL SEQUENCE Programming modes PROGRAMMING AND EDITING TEST RUN Program/file management PGM NAME CL PGM PGM CALL EXT CYCL DEF CYCL CALL Define and call cycles Enter and call labels for subprogramming and program section repeats Enter program stop in a program Enter touch probe functions in a program LBL SET LBL CALL STOP TOUCH PROBE Coordinate axes and numbers, editing X 0 . . . . V 9 Select coordinate axes or enter them into program Numbers Decimal point Arithmetic sign Polar coordinates Incremental dimensions Select programs and files Delete programs and files Enter program call in a program Activate external data transfer Select miscellaneous functions P MOD Moving the cursor and for going directly to blocks, cycles and parameter functions Move cursor (highlight) GOTO Q Q parameters for part families or in mathematical functions Capture actual position Go directly to blocks, cycles and parameter functions Spindle speed 100 NO ENT ENT Skip dialog questions, delete words Confirm entry and resume dialog End block Clear numerical entry or TNC message Abort dialog; delete program sections Override control knobs 100 Feed rate END 50 150 F% 0 50 150 S% 0 CE DEL TNC Guideline: From workpiece drawing to program-controlled machining Step Task TNC operating mode Section in manual Preparation 1 2 Select tools Set workpiece datum for coordinate system Determine spindle speeds and feed rates Switch on machine ---- ---- ---- ---- 3 ---- ---- 12. 4 1. 3 4 5 6 7 Cross over reference marks Clamp workpiece Set datum / Reset position display. . . without 3D Touch Probe or ---- 1. 3, 2. 1 ---- 7a 7b or or 9. 2 2. 3 Entering and testing part programs 8 Enter part program or download over external data interface 5 to 8 or 10 or EXT 9 Test part program for errors 3. 1 10 Test run: Run program block by block without tool 3. 2 11 If necessary: Optimize part program 5 to 8 Machining the workpiece 12 Insert tool and run part program 3. 2 1 Introduction 1. 1 The TNC 425, TNC 415 B and TNC 407 The TNCs are shop-floor programmable contouring controls for boring machines, milling machines and machining centers with up to 5 axes. [. . . ] The machining direction can be varied by changing the entries for start and end angles. a, b Y Y b Y1 X2 a Y2 b 2 1 X1 a P X Y Y Q5 S X DR 0 = E Q4 DR+ X X Part program 0 BEGIN PGM K72 MM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Load data 1 FN 0: Q1 = +50 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . X coordinate for center of ellipse 2 FN 0: Q2 = +50 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Y coordinate for center of ellipse 3 FN 0: Q3 = +50 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Semiaxis in X 4 FN 0: Q4 = +20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Semiaxis in Y 5 FN 0: Q5 = +0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Start angle 6 FN 0: Q6 = +360 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . End angle 7 FN 0: Q7 = +40 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Number of calculating steps 8 FN 0: Q8 = +0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Rotational position 9 FN 0: Q9 = +10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Depth 10 FN 0: Q10 = +100 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Plunging feed rate 11 FN 0: Q11 = +350 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Milling feed rate 12 FN 0: Q12 = +2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Setup clearance Z 13 BLK FORM 0. 1 Z X+0 Y+0 Z20 14 BLK FORM 0. 2 X+100 Y+100 Z+0 15 TOOL DEF 1 L+0 R+2. 5 16 TOOL CALL 1 Z S2800 17 L Z+2000 R0 F MAX 18 CALL LBL 10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Call subprogram ellipse 19 L Z+20 R0 F MAX M2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Retract in Z, end of main program Continued . . . 7-20 TNC 425/TNC 415 B/TNC 407 7 7. 8 Programming with Q Parameters Examples for Exercise 20 LBL 10 21 CYCL DEF 7. 0 DATUM SHIFT 22 CYCL DEF 7. 1 X+Q1 23 CYCL DEF 7. 2 Y+Q2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Shift datum to center of ellipse 24 CYCL DEF 10. 0 ROTATION 25 CYCL DEF 10. 1 ROT +Q8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Activate rotation, if Q8 is loaded 26 Q35 = (Q6 - Q5) / Q7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Calculate angle increment (end angle to start angle divided by number of steps) 27 Q36 = Q5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Current angle for calculation = set start angle 28 Q37 = 0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Set counter for milled steps 29 Q21 = Q3 * COS Q36 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] SCALING FACTOR NOT PERMITTED Enter identical scaling factors for coordinate axes in the plane of the circle. TNC 425/TNC 415 B/TNC 407 12-27 12 Tables and Overviews 12. 5 TNC Messages SELECTED BLOCK NOT ADDRESSED Before a test run or program run, you must enter GOTO 0. STYLUS ALREADY IN CONTACT Before probing, pre-position the stylus where it is not touching the workpiece surface. TOOL LIFE EXPIRED TIME1 or TIME2 of TOOL. T has been exceeded with no replacement tool defined in the tool table. TOOL RADIUS TOO LARGE Enter a tool radius that lies within the given limits permits the contour elements to be calculated and machined. [. . . ]