CNC 8070
5
·81·
(REF: 1709)
ORIGIN SELECTION
With this CNC, it is possible to program movements in the machine reference system or apply
offsets in order to use reference systems referred to the fixtures or the part without having
to change the coordinates of the different points of the part in the program.
There are three different offset types; fixture offset, zero offsets and PLC offsets. The CNC
may have several of these offsets active at the same time, in that case, the system coordinate
origin being used will be defined by the sum of the active offsets.
Type of offset. Description.
Fixture offset. Distance between the machine reference zero and the fixture's
zero point.
On machines using several fixtures, this offsets allows selecting
the particular fixture to be used.
Zero offset. Distance between the fixture's zero point and the part zero. If the
fixture zero is not active (no fixture offset), the zero offset is
measured from machine zero.
The zero offset may be set by presetting a coordinate or a zero
offset.
PLC offset. Special offset handled by the PLC that is used to correct the
deviations due to dilatations, etc.
The PLC always applies this offset, even when programming
with respect to machine zero.
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