HEIDENHAIN TNC 640, User Manual, Page: 732 / 948

Manual Operation and Setup | Spindle speed S, feed rate F and miscellaneous function M
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HEIDENHAIN | TNC 640 | Conversational Programming User's Manual | 10/2017
17.3 Spindle speed S, feed rate F and
miscellaneous function M
Application
In the
Manual operation
and
Electronic handwheel
operating
modes, you can enter the spindle speed S, feed rate F and the
miscellaneous functions M with soft keys.
Further information: "Entering miscellaneous functions M and
STOP", page 480
Refer to your machine manual.
The machine tool builder defines which additional
functions are available on the machine.
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 apply this value
with the
NC Start
key
The spindle speed with the entered speed
S
is started with a
miscellaneous function
M
. Input a miscellaneous function
M
in the
same way.
The control shows the current spindle speed in the status display.
If the spindle speed is less than 1000, the control also shows a
decimal place that has been entered.
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 feed rate that the machine tool
builder has defined as minimum feed rate is effective
If the feed rate entered exceeds the maximum value that has
been defined by the machine tool builder, then the value defined
by the machine tool builder is effective
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