Feed Rate In Millimeters Per Spindle Revolution: M136 - HEIDENHAIN TNC 640 User Manual

Miscellaneous Functions | Miscellaneous functions for path behavior

Feed rate in millimeters per spindle revolution: M136

Standard behavior
The control moves the tool at the programmed F feed rate in mm/
min
Behavior with M136
In NC programs based on inch units, M136 is not
allowed in combination with the alternative FU feed rate.
The spindle is not permitted to be controlled when
M136 is active.
With M136, the control does not move the tool in mm/min, but
rather at the programmed F feed rate in millimeters per spindle
revolution. If you change the spindle speed by using the spindle
override, the control changes the feed rate accordingly.
Effect
M136 becomes effective at the start of the block.
You can cancel M136 by programming M137.
HEIDENHAIN | TNC 640 | ISO Programming User's Manual | 10/2017
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