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8 datum setting with a 3-d touch probe, Overview, Datum setting in any axis – HEIDENHAIN iTNC 530 (340 49x-05) ISO programming User Manual

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HEIDENHAIN iTNC 530

461

14.8 D

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m Set

ting with a 3-D T

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14.8 Datum Setting with a 3-D Touch

Probe

Overview

The following soft-key functions are available for setting the datum on
an aligned workpiece:

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

Select the probe axis and direction in which you wish

to set the datum, such as Z in direction Z–. Selection
is made via soft keys.

U

To probe the workpiece, press the machine 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 453,
or see “Writing the measured values from touch
probe cycles in the preset table,” page 454, or se
e
“Storing measured values in the pallet preset table,”
page 455).

U

To terminate the probe function, press the END key.

Soft key

Function

Page

Datum setting in any axis

Page 461

Set a corner as datum

Page 462

Set a circle center as datum

Page 463

Center line as datum

Page 464

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.

Y

X

Z