HEIDENHAIN TNC 640 User Manual page 33

Contents
10 Cycles: Coordinate Transformations........................................................................................... 289
10.1 Fundamentals..................................................................................................................................... 290
Overview.............................................................................................................................................. 290
Effectiveness of coordinate transformations....................................................................................... 290
10.2 DATUM SHIFT (Cycle 7, DIN/ISO: G54)............................................................................................ 291
Effect.................................................................................................................................................... 291
Cycle parameters................................................................................................................................. 291
Please note while programming.......................................................................................................... 291
10.3 DATUM SHIFT with datum tables (Cycle 7, DIN/ISO: G53)............................................................ 292
Effect.................................................................................................................................................... 292
Please note while programming:......................................................................................................... 293
Cycle parameters................................................................................................................................. 293
Selecting a datum table in the part program.......................................................................................294
Editing the datum table in the Programming mode of operation........................................................ 294
Configuring a datum table................................................................................................................... 296
Leaving a datum table......................................................................................................................... 296
Status displays..................................................................................................................................... 296
10.4 PRESETTING (Cycle 247, DIN/ISO: G247)........................................................................................ 297
Effect.................................................................................................................................................... 297
Please note before programming:....................................................................................................... 297
Cycle parameters................................................................................................................................. 297
Status displays..................................................................................................................................... 297
10.5 MIRRORING (Cycle 8, DIN/ISO: G28)............................................................................................... 298
Effect.................................................................................................................................................... 298
Please note while programming:......................................................................................................... 299
Cycle parameters................................................................................................................................. 299
10.6 ROTATION (Cycle 10, DIN/ISO: G73)................................................................................................ 300
Effect.................................................................................................................................................... 300
Please note while programming:......................................................................................................... 301
Cycle parameters................................................................................................................................. 301
10.7 SCALING (Cycle 11, DIN/ISO: G72................................................................................................... 302
Effect.................................................................................................................................................... 302
Cycle parameters................................................................................................................................. 302
10.8 AXIS-SPECIFIC SCALING (Cycle 26).................................................................................................303
Effect.................................................................................................................................................... 303
Please note while programming:......................................................................................................... 303
Cycle parameters................................................................................................................................. 304
HEIDENHAIN | User's manual for cycle programming | 10/2017
33