Datum Setting With A 3-D Touch Probe - HEIDENHAIN iTNC 530 User Manual

14.9 Datum Setting with a 3-D Touch
Probe
Overview
The following soft-key functions are available for setting the datum on
an aligned workpiece:
Soft key Function
Datum setting in any axis
Setting a corner as datum
Setting a circle center as datum
Center line as datum
Danger of collision!
Note that during an active datum shift the TNC always
bases the probed value on the active preset (or on the
reference point most recently set in the Manual operating
mode), although the datum shift is included in the position
display.
Datum setting in any axis
U Select the probe function by pressing the PROBING
POS soft key.
U
Move the touch probe to a position near the touch
point.
U Use the soft keys to select the probe axis and
direction in which you want to set the datum, such as
Z in direction Z–.
U
Probing: press the NC Start button
U Datum: Enter the nominal coordinate and confirm your
entry with the SET DATUM soft key, or write the
value to a table (see "Writing the measured values
from touch probe cycles in datum tables", page 493,
or see "Writing the measured values from touch
probe cycles in the preset table", page 494, or see
"Storing measured values in the pallet preset table",
page 495).
U
To terminate the probe function, press the END key.
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