HEIDENHAIN TNC 370 User Manual page 63

2 Manual Operation and Setup
2.2 Spindle Speed S, Feed Rate F and Miscellaneous Functions M
The following values can be entered and changed in the MANUAL
OPERATION mode:
l
Miscellaneous functions M
l
Spindle speed S
l
Feed rate F (can be changed but not entered)
For part programs, these functions are entered directly in the PRO-
GRAMMING AND EDITING operating mode.
CO
000000000
000000000
000000000
000000000
WFI
OS%
1w ,ca
0 0
F% 1
II
S%
Fig. 2.4:
Knobs for spindle speed and feed
rate overrides
To enter the spindle speed S
-
Shift the soft key row.
I Is) I
Select the S soft key to enter the spindle speed.
1
I
I /
J
,
SPINDLE SPEED
S=
c
J
e.g. moo@
Enter the spindle speed, for example 1000 rpm.
Confirm the spindle speed S with the NC start key.
A miscellaneous function M starts spindle rotation at the entered
speed S.
To change the spindle speed S
i!!!
The
knQb
far spindle speed override is effective
anly
on machines with a stkyless spindle drive.
Turn the spindle speed override knob:
Adjust the spindle speed S to between 0 % and 150 % of the last
active value.
TNC 370
2-5