HEIDENHAIN TNC 620 User Manual page 33

Contents
11 Cycles: Special Functions............................................................................................................ 309
11.1 Fundamentals..................................................................................................................................... 310
Overview.............................................................................................................................................. 310
11.2 DWELL TIME (Cycle 9, DIN/ISO: G04)..............................................................................................311
Function................................................................................................................................................ 311
Cycle parameters................................................................................................................................. 311
11.3 PROGRAM CALL (Cycle 12, DIN/ISO: G39)......................................................................................312
Cycle function.......................................................................................................................................312
Please note while programming:......................................................................................................... 312
Cycle parameters................................................................................................................................. 312
11.4 SPINDLE ORIENTATION (Cycle 13, DIN/ISO: G36)..........................................................................313
Cycle function.......................................................................................................................................313
Please note while programming:......................................................................................................... 313
Cycle parameters................................................................................................................................. 313
11.5 TOLERANCE (Cycle 32, DIN/ISO: G62).............................................................................................314
Cycle function.......................................................................................................................................314
Influences of the geometry definition in the CAM system.................................................................314
Please note while programming:......................................................................................................... 315
Cycle parameters................................................................................................................................. 316
11.6 ENGRAVING (Cycle 225, DIN/ISO: G225).........................................................................................317
Cycle run.............................................................................................................................................. 317
Please note while programming:......................................................................................................... 317
Cycle parameters................................................................................................................................. 318
Allowed engraving characters.............................................................................................................. 320
Characters that cannot be printed....................................................................................................... 320
Engraving system variables..................................................................................................................321
Engraving the counter reading.............................................................................................................322
11.7 FACE MILLING (Cycle 232, DIN/ISO: G232, software option 19)................................................... 323
Cycle run.............................................................................................................................................. 323
Please note while programming:......................................................................................................... 325
Cycle parameters................................................................................................................................. 326
11.8 ASCERTAIN THE LOAD (Cycle 239, DIN/ISO: G239, software option 143)................................... 328
Cycle run.............................................................................................................................................. 328
Please note while programming:......................................................................................................... 329
Cycle parameters................................................................................................................................. 329
11.9 THREAD CUTTING (Cycle 18, DIN/ISO: G18, software option 19).................................................330
Cycle run.............................................................................................................................................. 330
HEIDENHAIN | TNC 620 | User's manual for cycle programming | 10/2017
33