HEIDENHAIN TNC 640, User Manual, Page: 770 / 948

Manual Operation and Setup | Compensating workpiece misalignment with 3-D touch probe
17
770
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.