6 calibr a ting 3-d t ouc h pr obes – HEIDENHAIN TNC 620 (340 56x-03) ISO programming User Manual
Page 359

HEIDENHAIN TNC 620
359
13.6 Calibr
a
ting 3-D T
ouc
h Pr
obes
Proceed as follows for manual calibration:
U
In the Manual Operation mode, position the ball tip in the bore of the
ring gauge
U
Select the calibration function for the ball-tip radius
and the touch probe center misalignment: Press the
CAL. R soft key
U
Select the tool axis and enter the radius of the ring
gauge
U
To probe the workpiece, press the machine START
button four times. The 3-D touch probe contacts a
position on the hole in each axis direction and
calculates the effective ball-tip radius
U
If you want to terminate the calibration function at this
point, press the END soft key
U
If you want to determine the ball-tip center
misalignment, press the 180° soft key. The TNC
rotates the touch probe by 180°
U
To probe the workpiece, press the machine START
button four times. The 3-D touch probe contacts a
position on the hole in each axis direction and
calculates the ball-tip center misalignment
In order to be able to determine ball-tip center
misalignment, the TNC needs to be specially prepared by
the machine manufacturer. The machine tool manual
provides further information.