HEIDENHAIN TNC 426B (280 472) Touch Probe Cycles User Manual
Page 38

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