HEIDENHAIN TNC 620 User Manual page 491

Spindle speed S, feed rate F and miscellaneous function M 14.3
14.3 Spindle speed S, feed rate F and
miscellaneous function M
Application
In the Manual Operation and El. Handwheel operating modes, you
can enter the spindle speed S, feed rate F and the miscellaneous
functions M with soft keys.
Further Information: Enter miscellaneous functions M and STOP ,
page 370
The machine tool builder determines which
miscellaneous functions M are available on your
control and what effects they have.
Entering values
Spindle speed S, miscellaneous function M
Select input for spindle speed: press the S soft key
SPINDLE SPEED S=
Enter 1000 (spindle speed) and confirm your entry
with the NC START key
The spindle speed with the entered speedS is started with a
miscellaneous function M. Input a miscellaneous function M in the
same way.
Feed rate F
After entering a feed rate F, confirm your entry with the ENT key.
The following is valid for feed rate F:
If you enter F=0, then the lowest feed rate from the machine
parameter manualFeed (no. 400304) takes effect
If the feed rate entered exceeds the value defined in the
machine parameter maxFeed (no. 400302) then the parameter
value in the machine parameter takes effect
F is not lost during a power interruption
The control displays the feed rate.
When 3D ROT is active the machining feed rate is shown if
several axes are moved
If 3D ROT is not active, the feed drive display remains empty
if several axes are moved
HEIDENHAIN | TNC 620 | Conversational Programming User's Manual | 10/2015
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