HEIDENHAIN TNC 620 User Manual page 518

14
Manual Operation and Setup
14.8 Calibrating a 3-D touch trigger probe
Calibration using a calibration sphere
Proceed as follows for manual calibration using a calibration sphere:
In the Manual operation mode, position the ball
tip above the center of the calibration ball
Select the calibration function: Press the CAL. R
soft key
Enter the outside diameter of the ball
Enter the safety clearance
Enter the start angle
Enter the number of touch points
Select Length measurement, if applicable
If necessary, input the reference for the length
Probe: Press the NC START key. The 3-D touch
probe probes all required touch points in an
automatic probing routine and calculates the
effective ball-tip radius. If probing from opposite
orientations is possible, the TNC calculates the
center offset
Check results
Press the OK soft key for the values to take effect
Press the END soft key to terminate the calibrating
function. The TNC logs the calibration process in
TCHPRMAN.html.
In order to be able to determine the ball-tip center
misalignment, the TNC needs to be specially
prepared by the machine manufacturer.
Refer to your machine manual.
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HEIDENHAIN | TNC 620 | Conversational Programming User's Manual | 10/2015