Multiple-axis machining | Compensating the tool angle of inclination with FUNCTION TCPM (option9)
11
REFPNT CENTER-CENTER
You can use the REFPNT CENTER-CENTER variant to machine parts
with a tool whose tip is used as a reference point when executing NC
programs generated in a CAD/CAM software where the paths are
referenced to the center of the cutting edge radius instead of the tool
tip.
Previously, this functionality could only be achieved by shortening
the tool with DL. The variant with REFPNT CENTER-CENTER is
advantageous in that the control knows the true tool length .
If you use REFPNT CENTER-CENTER to program pocket milling
cycles, the control generates an error message.
Example
...
13 FUNCTION TCPM F TCP AXIS SPAT PATHCTRL AXIS
REFPNT TIP-TIP
Both the tool reference point and the center of rotation are
located at the tool tip.
14 FUNCTION TCPM F TCP AXIS POS PATHCTRL AXIS
REFPNT CENTER-CENTER
Both the tool reference point and the center of rotation are
located at the center of the cutting-edge radius.
...
474
HEIDENHAIN | TNC620 | Klartext Programming User's Manual | 01/2022
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