Siemens SINUMERIK 840D Operating Manual page 82

Setting up the machine
2.6 Measuring the workpiece zero
Note
Settable work offsets
The labeling of the softkeys for the adjustable work offsets varies, i.e. the selectable work
offsets configured at the machine are displayed (examples: G54...G57, G54...G505,
G54...G599).
Please refer to the machine manufacturer's specifications.
82
Press the "Select WO" softkey to select an adjustable work offset.
In the window "Work offset – G54 ... G599", select a work offset, in
which the zero point should be saved and press the "In manual"
softkey.
You return to the measurement window.
6. Select the corner (inside corner or outside corner) that you wish to
measure and its position (position 1... position 4).
The position of the measuring points appear in the help display.
7. Specify the setpoint of the workpiece corner (Z0, X0) you want to
measure.
8. Traverse the tool (acc. to help display) to the first measuring point P1
if you are measuring manually.
9. Press the "Save P1" softkey.
The coordinates of the first measuring point are measured and stored.
10. Reposition the spindle holding the tool each time, approach
measuring points P2 and P3 and press the "Save P2" and "Save P3"
softkeys.
11. Repeat the procedure to measure the fourth measuring point when
you measure any corner.
12. Press the "Calculate" softkey.
The corner point and angle α are calculated and displayed.
- OR -
13. Press the "Set WO" softkey.
The corner point now corresponds to the setpoint position. The
calculated offset is stored in the work offset.
Operating Manual, 03/2010, 6FC5398-7CP20-1BA0
Milling