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

Page 511

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HEIDENHAIN TNC 620

511

Miscellaneous functions

M

Effect

Effective at block... Start

End

Page

M0

Program run STOP/Spindle STOP/Coolant OFF

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Page 313

M1

Optional program STOP/Spindle STOP/Coolant OFF

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Page 470

M2

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

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Page 313

M3
M4
M5

Spindle ON clockwise
Spindle ON counterclockwise
Spindle STOP

„
„

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Page 313

M6

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

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Page 313

M8
M9

Coolant ON
Coolant OFF

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„

Page 313

M13
M14

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

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„

Page 313

M30

Same function as M2

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Page 313

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

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Page 314

M92

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

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Page 314

M94

Reduce the rotary axis display to a value below 360°

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Page 375

M97

Machine small contour steps

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Page 317

M98

Machine open contours completely

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Page 319

M99

Blockwise cycle call

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Cycles
Manual

M101
M102

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

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„

Page 160

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

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„

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Page 321

M116
M117

Feed rate for rotary axes in mm/min
Reset M116

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Page 373

M118 Superimpose handwheel positioning during program run

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Page 324

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

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Page 322