Heidenhain TNC 320 (340 55x-03) Touch Probe Cycles User Manual download pdf (Page 34)

2.4 Setting the Datum with a 3-D Touch Probe

2.4 Setting the Datum with a

3-D Touch Probe

Introduction

The following functions are available for setting the datum on an

aligned workpiece:

 Datum setting in any axis with PROBING POS

 Defining a corner as datum with PROBING P

 Setting the datum at a circle center with PROBING CC

Datum setting in any axis

8 Select the probe function by pressing the PROBING

POS soft key.

8 Move the touch probe to a starting position near the

touch point.

8 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.

8 To probe the workpiece, press the machine START

button.

8 Datum: Enter the nominal coordinate and confirm your

entry with SET DATUM, or write the value to a table

(see “Writing the measured values from touch probe

cycles in datum tables,” page 27, or see “Writing the

measured values from touch probe cycles in the

preset table,” page 28).

8 To terminate the probe function, press the END key.

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Heidenhain TNC 320 (340 55x-03) Touch Probe Cycles User Manual Page 34