Returning To The Contour - HEIDENHAIN TNC 620 User Manual

Testing and running | Program run

Returning to the contour

With the RESTORE POSITION function, the control moves the tool to
the workpiece contour in the following situations:
Return to the contour after the machine axes were moved
during a program interruption that was not performed with the
INTERNAL STOP function.
Return to the contour after a block scan (e.g., after an interruption
with INTERNAL STOP)INTERNAL STOP
Depending on the machine, if the position of an axis has changed
after the control loop has been opened during a program
interruption
Procedure
To approach the contour, proceed as follows:
Press the RESTORE POSITION soft key
Restore the machine status, if required
Approach the axes in the sequence shown by the control:
Press the NC Start key
Approach the axes according to individually selected sequence:
Press the SELECT AXIS soft key
Press the soft key of the first axis
Press the NC Start key
Press the soft key of the second axis
Press the NC Start key
Repeat the process for all axes
If the tool is located in the tool axis below the starting
point, then the control offers the tool axis as the first
traverse direction.
HEIDENHAIN | TNC 620 | User's Manual for Setup, Testing and Running NC Programs | 01/2022
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