HEIDENHAIN TNC 640 User Manual page 781

Test Run and Program Run | Program run
Activate retraction: Press the RETRACT soft key
Retraction: Retract the tool with the axis direction keys or the
electronic handwheel
Axis key Z+: Retraction from the workpiece
Axis key Z-: Moving into the workpiece
Exit retraction: Return to the original soft-key
level
End the Retraction mode: Press the
END RETRACTION soft key
The control checks whether the Retraction
mode can be ended. If necessary, follow the
dialog.
Answer confirmation request: If the tool was not correctly
retracted, press the NO soft key. If the tool was correctly
retracted, press the YES soft key.
The control hides Retraction selectedmode.
Initialize the machine: if required, cross the reference points
Establish the desired machine condition: If required, reset the
tilted working plane
HEIDENHAIN | TNC 640 | ISO Programming User's Manual | 10/2017
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