HEIDENHAIN TNC 620 User Manual page 239

Setup | Presetting with a 3-D touch probe (option number 17)
Measuring the angle between two workpiece edges
Select the probe function by pressing the
PROBING ROT soft key
Rotation angle: If you wish to restore the current
basic rotation later, note the value that appears
under Rotation Angle
Perform a basic rotation with the workpiece edge
to be compared
Further information: "Compensating workpiece
misalignment with 3-D touch probe (option 17)",
Page 221
Probe the second edge in the same way as for a
basic rotation, but do not set the rotation angle to
0
Press the ROTATION PROBING soft key to display
the angle PA between the workpiece edges as the
rotation angle
Cancel the basic rotation, or restore the previous
basic rotation by setting the rotation angle to the
value that you wrote down previously
HEIDENHAIN | TNC 620 | User's Manual for Setup, Testing and Running NC Programs | 01/2022
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