HEIDENHAIN NC 124 - Manual (Page 40)

4 Positioning with MDI
40 TNC 124
Feed Rate F, Spindle Speed S and Miscellaneous Function M
Entering and changing the spindle speed S
The machine manufacturer determines which spindle
speeds are allowed on your TNC.
Select S for the spindle speed function.
S p i n d l e s p e e d ?
9 5 0 Enter the spindle speed S, for example 950 rpm.
Change the spindle speed S. NC
To change the spindle speed S:
You can vary the spindle speed S infinitely by turning the knob for
spindle speed override — if provided — on the TNC control panel.
Spindle speed override
You can vary the spindle speed S from
0% to 150% of the set value.
Example: Entering the spindle speed S
Entering a miscellaneous function M
The machine manufacturer determines which miscel-
laneous functions are available on your TNC and what
effects they have.
Example: Entering a miscellaneous function
3
NC
0
100
150 50
S %
Select M for the miscellaneous functions.
M i s c e l l a n e o u s f u n c t i o n M ?
Enter the miscellaneous function M, for example M 3: spindle ON, clockwise.
Execute the miscellaneous function M.