HEIDENHAIN TNC 620 Programming Station, User Manual

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Manual Operation and Setup
14.8 Calibrating 3-D touch probes (option 17)
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HEIDENHAIN | TNC 620 | ISO Programming User's Manual | 9/2016
Calibrating the effective length
HEIDENHAIN only gives warranty for the function of
the probing cycles if HEIDENHAIN touch probes are
used.
The effective length of the touch probe is always
referenced to the tool datum. The machine tool
builder usually defines the spindle tip as the tool
datum.
Set the datum in the spindle axis such that for the machine tool
table Z=0.
Select the calibration function for the touch probe
length: Press the
CAL.
Press
L
The TNC displays the current calibration data.
Datum for length: Enter the height of the ring
gauge in the menu window
Move the touch probe to a position just above the
ring gauge
To change the traverse direction (if necessary),
press a soft key or an arrow key
Probe surface: Press
NC START
key
Check results
Press the
OK
soft key for the values to take effect
Press the
CANCEL
soft key to terminate the
calibrating function.
The TNC logs the calibration process in
TCHPRMAN.html.