Siemens SINUMERIK 840D Operation/Programming Manual page 78

2
Operation
2.6 Measuring workpiece zero
Measuring three holes
automatically
Jog
Cycle Start
2-78
The angle between the line connecting the center points and the
reference axis is calculated and displayed.
With "Set WO", the center point of the first hole now corresponds to
the position setpoint. The calculated rotation is stored in the work
offset.
1. Attach a 3D probe type tool to the spindle.
2. Move the tool until it is approximately at the center of first the hole.
3. In "Machine Manual" mode, select the "Meas. workp." softkey.
4. Press the "Pocket/Hole" softkey.
The "Pocket/Hole" window opens with new vertical softkeys.
Press the "3 holes" softkey.
5. Specify whether you want "Measurement only" or in which work
offset you want to store the zero point (as described under
"Measuring an edge manually", step 5).
6. Enter the approximate diameter in "Øhole" (see step 4, "Measuring
two holes manually").
7. Under "Angle offs.", select entry "No".
- OR -
Under "Angle offs." select entry "Yes", if you want alignment to be
performed with coordinate rotation.
8. Enter the setpoint angle.
The angle entered here refers to the 1st axis of the working plane
(X/Y plane). This input field only appears if you specified "Yes" for
"Angle offs."
9. Specify setpoint positions X0 and Y0.
These determine the center point of the circle on which the center
points of the three holes are to lie.
10. Press the "Cycle Start" key.
The tool automatically contacts 4 points in succession around the first
inside wall of the hole. When measurement has been successfully
completed, the "P1 stored" softkey becomes active.
SINUMERIK 840D/840Di/810D Operation/Programming ShopMill (BAS) – 10.04 Edition
2
10.04
 Siemens AG, 2004. All rights reserved