HEIDENHAIN TNC 620 Programming Station, User Manual

Page: 533 / 695

Datum setting with a 3-D touch probe (option number 17) 14.10
14
HEIDENHAIN | TNC 620 | ISO Programming User's Manual | 9/2016
533
14.10 Datum setting with a 3-D touch
probe (option number 17)
Overview
The following soft-key functions are available for setting a datum on
an aligned workpiece:
Soft key Function Page
Datum setting on any axis with 533
Setting a corner as datum 534
Setting a circle center as datum 535
Center line as datum
Setting the center line as datum
538
Please ensure that the TNC refers to the probed
value on the active datum or the last defined datum
in
MANUAL OPERATION
mode with active datum
shift. The datum shift is included in the position
display.
Datum setting on any axis
Select the probing function by pressing the
POSITION PROBING
soft key
Move the touch probe to a position near the touch
point
Select the axis and probing direction, e.g. Probe in
direction Z-
Probe: Press the
NC START
key
Datum
: Enter the nominal coordinates, confirm
with the
SET DATUM
soft key
Further Information: "Writing measured values
from the touch probe cycles to a datum table",
page 519
To terminate the probe function, press the
END
soft key
HEIDENHAIN only gives warranty for the function of
the probing cycles if HEIDENHAIN touch probes are
used.