2 moving the machine axes, Note, Incremental jog positioning – HEIDENHAIN TNC 640 (34059x-05) ISO programming User Manual
Page 483: Moving the machine axes, Moving the machine axes 15.2

Moving the machine axes 15.2
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TNC 640 | User's ManualDIN/ISO Programming | 1/2015
483
15.2
Moving the machine axes
Note
Traversing with the machine axis direction buttons
can vary depending on the machine tool. Refer to
your machine manual.
Moving the axis with the machine axis direction
buttons
Select the
Manual Operation mode
Press the machine axis direction button and hold it
as long as you wish the axis to move, or
Move the axis continuously: Press and hold the
machine axis direction button, then press the
machine START button
Stop the axis: Press the machine STOP button
You can move several axes at a time with these two methods. The
control then shows the feed rate. You can change the feed rate
at which the axes are traversed with the
F soft key, see "Spindle
speed S, feed rate F and miscellaneous function M", page 494.
If a traverse task is active on the machine, the control displays the
control-in-operation symbol.
Incremental jog positioning
With incremental jog positioning you can move a machine axis by a
preset distance.
Select the
Manual Operation or El. Handwheel
mode of operation
Shift the soft-key row
Select incremental jog positioning: Switch the
INCREMENT soft key to ON
JOG INCREMENT =
Enter the jog increment in mm, and confirm with
the
ENT key
Press the machine axis direction button as often as
desired
The maximum permissible value for infeed is 10 mm.