Adjusting Spindle Speed And Feed Rate - HEIDENHAIN TNC 320 User Manual

Spindle speed S, feed rate F and miscellaneous function M 12.3

Adjusting spindle speed and feed rate

With the override knobs you can vary the spindle speed S and feed
rate F from 0% to 150% of the set value.
The override knob for spindle speed is only functional
on machines with infinitely variable spindle drive.
TNC 320 | User's Manual HEIDENHAIN Conversational Programming | 5/2013
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