HEIDENHAIN TNC 640 User Manual page 703

Turning | Turning program functions (option 50)
Blank form update TURNDATA BLANK
The TURNDATA BLANK function enables you to use the blank form
update feature. The control detects the described contour and only
then machines the residual material.
With TURNDATA BLANK you call a contour description used by the
control as an updated workpiece blank.
Define the function TURNDATA BLANK as follows:
Show the soft-key row with special functions
Press the TURNING PROGRAM FUNCTIONS soft
key
Press the FUNCTION TURNDATA soft key
Press the TURNDATA BLANK soft key
Press the soft key for the desired contour call
You can call the contour description in the following ways:
Soft key Call
Contour description in an external program
Call via file name
Contour description in an external program
Call via string parameter
Contour description in a subprogram
Call via label number
Contour description in a subprogram
Call via label name
Contour description in a subprogram
Call via string parameter
Deactivate blank form update
Deactivate blank form update as follows:
Show the soft-key row with special functions
Press the TURNING PROGRAM FUNCTIONS soft
key
Press the FUNCTION TURNDATA soft key
Press the TURNDATA BLANK soft key
Press the BLANK OFF soft key
HEIDENHAIN | TNC 640 | Conversational Programming User's Manual | 10/2017
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