Zero Offsets - Siemens SINUMERIK 840D sl Operating Manual

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Resetting the actual value
Note
Irreversible active zero offset
The current active zero offset is irreversibly deleted by this action.
4.5

Zero offsets

Following reference point approach, the actual value display for the axis coordinates is based
on the machine zero (M) of the machine coordinate system (Machine). The program for
machining the workpiece, however, is based on the workpiece zero (W) of the workpiece
coordinate system (Work). The machine zero and workpiece zero are not necessarily identical.
The distance between the machine zero and the workpiece zero depends on the workpiece
type and how it is clamped. This zero offset is taken into account during execution of the
program and can be a combination of different offsets.
Following reference point approach, the actual value display for the axis coordinates is based
on the machine zero of the machine coordinate system (Machine).
The actual value display of the positions can also refer to the SZS coordinate system (settable
zero system). The position of the active tool relative to the workpiece zero is displayed.
Universal
Operating Manual, 05/2017, A5E40868517
Press the ">>", "REL act. vals" and "Set REL" softkeys to set position
values in the relative coordinate system.
3. Enter the new required position value for X, Y or Z directly in the actual
value display (you can toggle between the axes with the cursor keys) and
press the "Input" key to confirm the entries.
- OR -
Press softkeys "X=0","Y=0" or "Z=0" to set the relevant position to zero.
- OR -
Press softkey "X=Y=Z=0" to set all axis positions to zero simultaneously.
Press the "Delete active ZO" softkey.
The offset is deleted permanently.
Setting up the machine
4.5 Zero offsets
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