HEIDENHAIN TNC 407 (280 580) User Manual - Manual (Page 43)

TNC 425/TNC 415 B/TNC 407 2-5
2 Manual Operation and Setup
e.g.
S%
F%
0
100
150 50
S %
0
100
150 50
F %
1 0 0 0
ENT
I
Select S for spindle speed.
SPINDLE SPEED S =
Enter the desired spindle speed (here 1000 rpm).
Press the machine START button to confirm the entered spindle
speed.
The spindle speed S with the entered rpm is started with an M function.
0
100
150 50
S %
To change the spindle speed S
Turn the knob for spindle speed override:
You can vary the speed from 0 to 150% of the last valid speed.
The override knob for spindle speed can only vary the spindle speed on machines with a stepless spindle drive.
2.2 Spindle Speed S, Feed Rate F and Miscellaneous Functions M
These are the soft keys in the MANUAL OPERATION and ELECTRONIC
HANDWHEEL modes:
With these functions and with the override knobs on the TNC keyboard
you can change and enter:
• the spindle speed S
• the feed rate F (can be changed but not entered)
• miscellaneous functions M
These functions are entered directly in a part program in the
PROGRAMMING AND EDITING mode.
To enter the spindle speed S:
The machine manufacturer determines what spindle speeds S are available on your TNC. See your machine tool
manual.
Fig. 2.4: Knobs for spindle speed and feed
rate overrides