HEIDENHAIN TNC 620 Programming Station, User Manual

Page: 578 / 695

Test Run and Program Run
16.5 Program run
16
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HEIDENHAIN | TNC 620 | ISO Programming User's Manual | 9/2016
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 Function
Machine axes Movement of all axes in the machine
coordinate system
Tilted system Movement of all axes in the active
coordinate system
Effective parameters: Position of the tilting
axes
Tool axis Movements of the tool axis in the active
coordinate system
Thread Movements of the tool axis in the active
coordinate system with compensating
movement of the spindle
Effective parameters: Thread pitch and
direction of rotation
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.