6 calibr a ting a 3-d t o uc h pr obe – HEIDENHAIN TNC 128 (77184x-01) User Manual
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HEIDENHAIN TNC 128
301
1
1
.6 Calibr
a
ting a 3-D t
o
uc
h pr
obe
Proceed as follows for manual calibration with a stud or calibration pin:
In the Manual Operation mode, position the ball tip above the center
of the calibration pin
Select the calibration function: Press the CAL. R soft
key
Enter the diameter of the stud
Enter the safety clearance
New cal. spindle angle: Spindle angle that is used for
the calibration. The TNC uses CAL_ANG from the
touch probe table as a default value. If you change the
value, the TNC saves the value to the touch probe
table during calibration
Start the probing procedure: Press the machine
START button. The 3-D touch probe probes all
required touch points in an automatic probing routine
and calculates the effective ball-tip radius. If probing
from opposite orientations is possible, the TNC
calculates the center offset
Check the results (change the values if required)
Press the END soft key to terminate the calibrating
function
In order to be able to determine the ball-tip center offset,
the TNC needs to be specially prepared by the machine
manufacturer. The machine manual provides further
information.