HEIDENHAIN TNC 407 (280 580) User Manual - Manual (Page 282)

9-15 TNC 425/TNC 415 B/TNC 407
9 3D Touch Probes
9.2 Touch Probe Cycles in the MANUAL and ELECTRONIC HANDWHEEL Operating Modes
I
or
Y
X
XÐ
X+
Y+
YÐ 3
1
2
4
Outside circle
Move the touch probe to a starting position near the first touch point ➀ outside of the circle.
X + X – Y + Y –
Select the probe direction.
Probe the workpiece.
Repeat the probing process for points ➁, ➂, and ➃ (see illustration).
Enter the coordinates of the datum.
After the probing procedure is complete the TNC displays the coordinates
of the circle center and the circle radius PR.
Fig. 9.15: Probing an outside cylindrical
surface to find the center
0
ENT e.g.
END
0
ENT
1
e.g.
.
.
.
DATUM
Enter the first coordinate or the datum, here in the X axis.
Select the second coordinate.
DATUM
Enter the second coordinate, here in the Y axis.
Terminate the probe function.