HEIDENHAIN TNC 620 User Manual page 578

16
Test Run and Program Run
16.5 Program run
Retraction after a power interruption
The Retraction mode is enabled and adapted by
the machine manufacturer. Refer to your machine
manual.
With the Retraction mode of operation you can disengage the tool
from the workpiece after an interruption in power.
If you activated a feed rate limit before a power failure, this is still
active. You can deactivate the feed rate limit with the CANCEL THE
FEED RATE LIMITATION soft key.
The Retraction mode of operation is selectable in the following
conditions:
Power interrupted
No control voltage for the relay
Traverse reference points
The Retraction operating mode offers the following modes of
traverse:
Mode
Machine axes
Tilted system
Tool axis
Thread
If tilting the working plane (option 8) is activated on
your TNC, then the Tilted system traverse mode is
available for you.(option 8)
The TNC selects the mode of traverse and the associated
parameters automatically. If the traverse mode oder the parameters
have not been correctly preselected, you are unable to reset them
manually.
578
Function
Movement of all axes in the machine
coordinate system
Movement of all axes in the active
coordinate system
Effective parameters: Position of the tilting
axes
Movements of the tool axis in the active
coordinate system
Movements of the tool axis in the active
coordinate system with compensating
movement of the spindle
Effective parameters: Thread pitch and
direction of rotation
HEIDENHAIN | TNC 620 | ISO Programming User's Manual | 9/2016