HEIDENHAIN TNC 370 User Manual page 274

9 3D Touch Probes
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9.3 Measuring Workpieces with a 3D Touch Probe
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Select the probing direction with the arrow keys -
same axis as for 0,
Probe the workpiece.
The value displayed as DATUM is the distance between the two points
on the coordinate axis.
To return to the datum that was active before the length measurement:
Select the probe function for datum setting in any axis.
Probe the first touch point again.
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[ Set the DATUM to the value that you wrote down previously.
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Terminate the dialog.
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Measuring angles
You can also use the 3D touch probe system to measure angles in the
working plane. You can measure
l
the angle between the angle reference axis and a workpiece side, or
l
the angle between two sides.
The measured angle is displayed as a value of maximum 90".
To find the angle between the angle reference axis and a side of the workpiece:
If you will need the current basic rotation later, write down the value that appears under ROTATION ANGLE.
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TNC 370 -