HEIDENHAIN TNC 128 (77184x-01) - Manual (Page 298)

298 Manual operation and setup
1
1
.6 Calibr
a
ting a 3-D t
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obe
Calibrating the effective length
 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. L soft key. The TNC opens a
menu window with input fields
 Datum for length: Enter the height of the ring gauge
 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.
 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
 To probe the upper surface of the ring gauge, press
the machine START button
 Check the results (change the values if required)
 Press the OK soft key for the values to take effect
 Press the END soft key to terminate the calibrating
function
5
Y
X
Z
HEIDENHAIN grants a warranty for the function of the
touch probe cycles only 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.