Miscellaneous functions – HEIDENHAIN TNC 620 (73498x-01) ISO programming User Manual

Page 457

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HEIDENHAIN TNC 620

457

Miscellaneous functions

M

Effect

Effective at block... Start

End

Page

M0

Program run STOP/Spindle STOP/Coolant OFF

„

Page 279

M1

Optional program STOP/Spindle STOP/Coolant OFF

„

Page 416

M2

Program run STOP/Spindle STOP/Coolant OFF/Clear status display
(depending on machine parameter)/Go to block 1

„

Page 279

M3
M4
M5

Spindle ON clockwise
Spindle ON counterclockwise
Spindle STOP

„
„

„

Page 279

M6

Tool change/Stop program run (depending on machine parameter)/Spindle STOP

„

Page 279

M8
M9

Coolant ON
Coolant OFF

„

„

Page 279

M13
M14

Spindle ON clockwise/Coolant ON
Spindle ON counterclockwise/Coolant ON

„
„

Page 279

M30

Same function as M2

„

Page 279

M89

Vacant miscellaneous function or
Cycle call, modally effective (depending on machine parameter)

„

„

Cycles
Manual

M91

Within the positioning block: Coordinates are referenced to machine datum

„

Page 280

M92

Within the positioning block: Coordinates are referenced to position defined by machine
tool builder, such as tool change position

„

Page 280

M94

Reduce the rotary axis display to a value below 360°

„

Page 332

M97

Machine small contour steps

„

Page 283

M98

Machine open contours completely

„

Page 285

M99

Blockwise cycle call

„

Cycles
Manual

M101
M102

Automatic tool change with replacement tool if maximum tool life has expired
Reset M101

„
„

Page 157

M109

M110

M111

Constant contouring speed at tool cutting edge
(increase and decrease feed rate)
Constant contouring speed at tool cutting edge
(feed rate decrease only)
Reset M109/M110

„

„

„

Page 287

M116
M117

Feed rate for rotary axes in mm/min
Reset M116

„

„

Page 330

M118 Superimpose handwheel positioning during program run

„

Page 290

M120 Pre-calculate radius-compensated contour (LOOK AHEAD)

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Page 288

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