HEIDENHAIN TNC 640 (34059x-02) ISO programming - Manual (Page 418)

Programming: Turning Operations
14.2 Basis Functions (Software Option 50)
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TNC 640 | User's Manual for DIN/ISO Programming | 5/2013
Tool compensation in the program
With FUNCTION TURNDATA CORR you can define additional
compensation values for the active tool. In FUNCTION TURNDATA
CORR you can enter delta values for tool lengths in the X direction
DXL and in the Z direction DZL. The compensation values have
an additive effect on the compensation values from the turning
tool table.
FUNCTION TURNDATA CORR is always effective for
the active tool. A renewed TOOL CALL deactivates compensation
again. When you exit the program (e.g. PGM MGT), the TNC
automatically resets the compensation values.
Tool compensation is always effective in the tool
coordinate system, even during inclined machining.
Defining tool compensation:
Show the soft-key row with special functions
Select the menu for TURNING PROGRAM
FUNCTIONS
Select FUNCTION TURNDATA
Select TURNDATA CORR
NC syntax
21 FUNCTION TURNDATA CORR-TCS:Z/X DZL:0.1 DXL:0.05
...