HEIDENHAIN TNC 128 (77184x-01) - Manual (Page 309)

HEIDENHAIN TNC 128 309
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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
 Start the probing procedure: Press the machine
START button
 If you need the current datum later, write down the
value that appears in the Datum display
 Datum: 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
 Start the probing procedure: Press the machine
START button
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 probing function: Press the PROBING POS soft key
 Probe the first touch point again
 Set the datum to the value that you wrote down previously
 Cancel the dialog: Press the END key
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