HEIDENHAIN TNC 640 - Page 770

Manual Operation and Setup | Compensating workpiece misalignment with 3-D touch probe
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HEIDENHAIN | TNC 640 | Conversational Programming User's Manual | 10/2017
Optionally inputting a datum angle enables you to define the
nominal direction of the probed plane.
Select the probe function by pressing the
PROBING PL soft key
The control displays the current 3-d rotation.
Position the touch probe at a position near the
first touch point
Select the probe direction or probing routine by
soft key
Probe: Press the NC Start key
Position the touch probe at a position near the
second touch point
Probe: Press the NC Start key
Position the touch probe near the third touch
point
Probe: Press the NC Start key.
The control measures the 3-D basic rotation and
displays the values for SPA, SPB, and SPC in
relation to the active coordinate system.
If required, enter the datum angle
Activate 3-D basic rotation:
Press the SET BASIC ROTATION soft key
Save the 3-D rotation in the preset table:
Press the BASIC ROT. IN PRESET TABLE soft key
To terminate the probe function, press the END
soft key
The control saves the 3-D basic rotation in the columns SPA, SPB,
and SPC of the preset table.