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Setting a center line as datum, Datum setting with 3-d touch probe 15.9 – HEIDENHAIN TNC 640 (34059x-02) User Manual

Page 535

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Datum Setting with 3-D Touch Probe

15.9

15

TNC 640 | User's Manual
HEIDENHAIN Conversational Programming | 5/2013

535

Setting the datum in the intersection of multiple holes:

Preposition the touch probe approximately in the
center of the hole

Hole is to be probed automatically: Define by soft
key

To probe the workpiece, press the machine
START button. The touch probe probes the circle
automatically.

Repeat the probing procedure for the remaining
elements

Terminate the probing procedure and switch to the
evaluation menu: Press the EVALUATE soft key

Datum: In the menu window, enter both
coordinates of the circle center, confirm with the
SET DATUM soft key, or write the values to a table
(See "Writing measured values from the touch
probe cycles in a datum table", page 520, or
See
"Writing measured values from the touch probe
cycles in the preset table", page 521
)

Terminate the probing function: Press the END
soft key

Setting a center line as datum

Select the probe function: Press the PROBING
soft key

Position the touch probe at a position near the first
touch point

Select the probing direction by soft key

Start the probing procedure: Press the NC Start
button

Position the touch probe at a position near the
second touch point

Start the probing procedure: Press the NC Start
button

Datum: Enter the coordinate of the datum in the
menu window, confirm with the SET DATUM soft
key, or write the value to a table (See "Writing
measured values from the touch probe cycles in a
datum table", page 520, or
See "Writing measured
values from the touch probe cycles in the preset
table", page 521.

Terminate the probing function: Press the END key