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HEIDENHAIN TNC 426B (280 472) Touch Probe Cycles User Manual

Page 38

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26

2 Touch Probe Cycles in the Manual and Electronic Handwheel Modes

2.6 Measur

ing W

o

rk

pieces with a 3-D T

ouc

h Pr

obe

To find the angle between the angle reference
axis and a side of the workpiece

U

U

U

U

Select the probing function by pressing the PROBING

ROT soft key.

U

U

U

U

Rotation angle: If you will need the current basic

rotation later, write down the value that appears
under Rotation angle.

U

U

U

U

Make a basic rotation with the side of the workpiece

(see “Compensating Workpiece Misalignment” on
page 18).

U

U

U

U

Press the PROBING ROT soft key to display the angle

between the angle reference axis and the side of the
workpiece as the rotation angle.

U

U

U

U

Cancel the basic rotation, or restore the previous basic

rotation:

U

U

U

U

This is done by setting the rotation angle to the value

that you wrote down previously.

To measure the angle between two workpiece sides:

U

U

U

U

Select the probing function by pressing the PROBING ROT soft key.

U

U

U

U

Rotation angle: If you will need the current basic rotation later, write
down the value that appears under Rotation angle.

U

U

U

U

Make a basic rotation with the side of the workpiece (see
“Compensating Workpiece Misalignment” on page 18).

U

U

U

U

Probe the second side as for a basic rotation, but do not set the
rotation angle to zero!

U

U

U

U

Press the PROBING ROT soft key to display the angle PA between
the two sides as the rotation angle.

U

U

U

U

Cancel the basic rotation, or restore the previous basic rotation by
setting the rotation angle to the value that you wrote down
previously.

PA

–10

100

α

?

α

?

L?

X

Z

Y

100