HEIDENHAIN TNC 370 User Manual page 273

9 3D Touch Probes
9.3 Measuring Workpieces with a 3D Touch Probe
Measuring workpiece dimensions
Fig. 9.13:
Measuring lengthswith the
3D touch probe
1 Select the probe function for setting the datum in any axis.
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Select the probing direction with the arrow keys
Probe the workpiece
If you will need the current datum later, write down the value that appears in the DATUM display.
Set the DATUM to 0 and confirm with ENT.
Terminate the dialog.
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Re-select the probe function for datum setting in any axis.
Move the touch probe to a starting position @ near the second touch point.
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TNC 370 9-15