HEIDENHAIN TNC 640 User Manual page 51

Contents
11 Miscellaneous Functions............................................................................................................. 479
11.1 Entering miscellaneous functions M and STOP..............................................................................480
Fundamentals....................................................................................................................................... 480
11.2 Miscellaneous functions for program run inspection, spindle and coolant................................. 482
Overview.............................................................................................................................................. 482
11.3 Miscellaneous functions for coordinate entries..............................................................................483
Programming machine-referenced coordinates: M91/M92................................................................. 483
Moving to positions in a non-tilted coordinate system with a tilted working plane: M130.................. 485
11.4 Miscellaneous functions for path behavior.....................................................................................486
Machining small contour steps: M97.................................................................................................. 486
Machining open contour corners: M98............................................................................................... 487
Feed rate factor for plunging movements: M103................................................................................ 488
Feed rate in millimeters per spindle revolution: M136........................................................................ 489
Feed rate for circular arcs: M109/M110/M111......................................................................................490
Calculating the radius-compensated path in advance (LOOK AHEAD): M120.....................................491
Superimposing handwheel positioning during program run: M118..................................................... 493
Retraction from the contour in the tool-axis direction: M140..............................................................495
Suppressing touch probe monitoring: M141....................................................................................... 497
Deleting basic rotation: M143..............................................................................................................498
Automatically retracting the tool from the contour at an NC stop: M148........................................... 499
Rounding corners: M197......................................................................................................................500
HEIDENHAIN | TNC 640 | Conversational Programming User's Manual | 10/2017
51