HEIDENHAIN TNC 310 (286 140) - Manual (Page 30)

18 2 Manual Operation and Setup
2.3 Spindle Speed S, Feed Rate F and Miscellaneous Functions M
2.3 Spindle Speed S, Feed Rate F and
Miscellaneous Functions M
In the Manual Operation mode, enter the spindle speed S and the
miscellaneous function M using soft keys. The miscellaneous
functions are described in Chapter 7 ”Programming: Miscellaneous
Functions.” The feed rate is defined in a machine parameter and can
be changed only with the override knobs (see next page).
Entering values
Example: Entering the spindle speed S
To enter the spindle speed, press the S soft key.
SPINDLE SPEED S=
<
1000 Enter the desired spindle speed,
and confirm with the NC START button
The spindle speed S with the entered rpm is started with a
miscellaneous function.
Proceed in the same way to enter the miscellaneous functions M.
Changing the 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 knob for spindle speed override is effective only on
machines with an infinitely variable spindle drive.
The machine tool builder determines which
miscellaneous functions M are available on your TNC and
what effects they have.