HEIDENHAIN TNC 640 User Manual page 51

Contents
11 Miscellaneous Functions............................................................................................................. 457
11.1 Entering miscellaneous functions M and STOP..............................................................................458
Fundamentals....................................................................................................................................... 458
11.2 Miscellaneous functions for program run inspection, spindle and coolant................................. 460
Overview.............................................................................................................................................. 460
11.3 Miscellaneous functions for coordinate entries..............................................................................461
Programming machine-referenced coordinates: M91/M92................................................................. 461
Moving to positions in a non-tilted coordinate system with a tilted working plane: M130.................. 463
11.4 Miscellaneous functions for path behavior.....................................................................................464
Machining small contour steps: M97.................................................................................................. 464
Machining open contour corners: M98............................................................................................... 465
Feed rate factor for plunging movements: M103................................................................................ 466
Feed rate in millimeters per spindle revolution: M136........................................................................ 467
Feed rate for circular arcs: M109/M110/M111......................................................................................468
Calculating the radius-compensated path in advance (LOOK AHEAD): M120.....................................469
Superimposing handwheel positioning during program run: M118..................................................... 471
Retraction from the contour in the tool-axis direction: M140..............................................................473
Suppressing touch probe monitoring: M141....................................................................................... 475
Deleting basic rotation: M143..............................................................................................................476
Automatically retracting the tool from the contour at an NC stop: M148........................................... 477
Rounding corners: M197......................................................................................................................478
HEIDENHAIN | TNC 640 | ISO Programming User's Manual | 10/2017
51