beautypg.com

5 setting the datum with a 3-d touch probe, Introduction, To set the datum in any axis (see figure at right) – HEIDENHAIN TNC 426B (280 472) Touch Probe Cycles User Manual

Page 32: Datum setting in any axis

background image

20

2 Touch Probe Cycles in the Manual and Electronic Handwheel Modes

2.5 Set

ting the D

a

tu

m with a 3-D T

ouc

h Pr

obe

2.5 Setting the Datum with a 3-D

Touch Probe

Introduction

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

n

Datum setting in any axis with PROBING POS

n

Defining a corner as datum with PROBING P

n

Setting the datum at a circle center with PROBING CC

To set the datum in any axis (see figure at right)

U

U

U

U

Select the probing function by pressing the PROBING

POS soft key.

U

U

U

U

Move the touch probe to a starting position near the

touch point.

U

U

U

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

U

U

U

To probe the workpiece, press the machine START

button.

U

U

U

U

Datum: Enter the nominal coordinate and confirm your

entry with ENT.

Y

X

Z