HEIDENHAIN TNC 640 User Manual page 781

Manual Operation and Setup | Presetting with a 3-D touch probe
Measuring workpiece dimensions
Select the probing function: Press the
PROBING POS soft key
Position the touch probe at a position near the
first touch point A
Select the probing direction by soft key
Probe: Press the NC Start key
If you need the current preset later, write down
the value that appears in the display
Preset: Enter 0.
Cancel the dialog: Press the END key
Select the probing function again: Press the
PROBING POS soft key
Position the touch probe at a position near the
second touch point B
Select the probe direction with the soft keys:
Same axis but from the opposite direction
Probe: Press the NC Start key
The Measured value display shows the distance between the two
points on the coordinate axis.
To return to the values that were active before the length
measurement:
Select the probing function: Press the PROBING POS soft key
Probe the first touch point again
Set the preset to the value that you wrote down previously
Cancel the dialog: Press the END key
Measuring angles
You can use the 3-D touch probe to measure angles in the working
plane. You can measure
The angle between the angle reference axis and a workpiece
edge; or
the angle between two sides
The measured angle is displayed as a value of max. 90°.
HEIDENHAIN | TNC 640 | Conversational Programming User's Manual | 10/2017
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