HEIDENHAIN TNC 370 User Manual page 275

9 3D Touch Probes
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9.3 Measuring Workpieces with a 3D Touch Probe
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The angle between the angle reference axis and the side of the workpiece appears as the ROTATION ANGLE in
the BASIC ROTATION function.
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Cancel the basic rotation.
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Restore the previous basic rotation by setting the ROTATION ANGLE to the value that you wrote down
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To measure the angle between two sides of a workpiece:
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Fig.
9.14:
Measuring the angle between two
sides of a workpiece
Select the probe function for compensating workpiece misalignment.
If you will need the current basic rotation later, write down the value that appears under ROTATION ANGLE.
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Make a basic rotation for the first side (see "Compensating workpiece misalignment").
Probe the second side as for a basic rotation, but do not set the ROTATION ANGLE to zero!
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The angle PA between the workpiece sides appears as the ROTATION ANGLE in the BASIC ROTATION func-
tion.
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Cancel the basic rotation.
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Restore the previous basic rotation by setting the ROTATION ANGLE to the value that you wrote down
previously.
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TNC 370
9-17