Programming manual
CNC 8070
ORIGIN SELECTION
Coordinate preset (G92)
4.
(SOFT V02.0X)
47
4.3 Coordinate preset (G92)
Coordinate presetting is done with function G92 and it may be applied
onto any axis of the machine.
When presetting a coordinate, the CNC interprets that the axis
coordinates programmed after the G92 set the current position of the
axes. The rest of the axes that have not been defined with G92 are
not affected by the preset.
Considerations
A coordinate preset, by itself, does not cause any axis movement.
When homing an axis in JOG mode, the preset for that axis is
canceled.
Properties of the function
G92 is modal, the preset values remain active until the preset is
canceled (with another preset, a zero offset or with G53).
On power-up, the CNC assumes the coordinate preset that was active
when the CNC was turned off. On the other hand, the coordinate
preset is neither affected by functions M02 and M30 nor by
RESETTING the CNC.
...
N100 G90 G01 X40 Y30 (Positioning at P0)
N110 G92 X0 Y0 (Presetting P0 as part zero)
... (Machining of profile 1)
N200 G90 G01 X80 Y0 (Positioning at P1)
N210 G92 X0 Y0 (Presetting P1 as part zero)
... (Machining of profile 2)
N300 G92 X120 Y30 (Recover O
W
as part zero)
...
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