HEIDENHAIN CNC PILOT 640 User Manual page 26

4.12 Tool-tip and cutter radius compensation........................................................................................ 302
Fundamentals....................................................................................................................................... 302
Switch off TRC/MCRC G40..................................................................................................................302
Switch on TRC/MCRC G41/G42.......................................................................................................... 303
4.13 Datum shifts....................................................................................................................................... 304
Datum shift G51...................................................................................................................................305
Datum shifts - G53/G54/G55...............................................................................................................306
Additive datum shift G56..................................................................................................................... 306
Absolute datum shift G59....................................................................................................................307
4.14 Oversizes............................................................................................................................................. 308
Switching off oversize G50.................................................................................................................. 308
Axis-parallel oversize G57.................................................................................................................... 308
Contour-parallel oversize (equidistant) G58.......................................................................................... 309
4.15 Safety clearance................................................................................................................................. 310
Safety clearance G47........................................................................................................................... 310
Safety clearance G147......................................................................................................................... 310
4.16 Tools, compensations........................................................................................................................ 311
Inserting tools - T................................................................................................................................311
Correction of cut G148 (changing the cutter compensation)............................................................... 312
Additive correction G149......................................................................................................................313
Compensation of tool tip G150/G151.................................................................................................. 314
4.17 Contour-based turning cycles........................................................................................................... 315
Working with contour-based cycles..................................................................................................... 315
Longitud. roughing G810......................................................................................................................317
Face roughing G820.............................................................................................................................320
Contour-parallel roughing G830............................................................................................................323
Contour cycle, bidirectional G835 (contour-parallel with neutral tool).................................................. 325
Recessing G860................................................................................................................................... 327
Repeating recessing cycle G740.......................................................................................................... 329
Repeating recessing cycle G741.......................................................................................................... 329
Recess turning cycle G869.................................................................................................................. 331
Recessing cycle G870..........................................................................................................................334
Contour finishing G890........................................................................................................................ 335
Measuring cut G809............................................................................................................................ 338
4.18 Contour definitions in the machining section................................................................................ 339
Cycle end / Simple contour G80.......................................................................................................... 339
Linear slot on front/rear face G301......................................................................................................340
Circular slot on front/rear face G302/G303..........................................................................................340
Full circle on front/rear face G304....................................................................................................... 341
Rectangle on front/rear face G305...................................................................................................... 341
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HEIDENHAIN | User's Manual smart.Turn and DIN Programming | 12/2017
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