Review
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1
The coordinates of any point (A) defined with respect to the programme origin (OP) are converted by the CNC into
coordinates with respect to the measurement origin (OM):
OP
Y
Z
X
OM
Op
A
Y
MA
Y DAT2
Y DAT1
Y
PA
X
MA
X DAT1
Y DAT2
Z DAT1
Z DAT2
Z
PA
Z
PA,
X
MA
X
PA
Programme dimensions Measurement dimensions
(with respect to OP) (with respect to OM)
X
PA
X
MA
= X
PA
+ X DAT1 + X DAT2
Y
PA
Y
MA
= Y
PA
+ Y DAT1 + Y DAT2
Z
PA
Z
MA
= Z
PA
+ Z DAT1 + Z DAT2
The dimensions are algebraic values.
Programmed shifts can be added to the measurement dimensions.
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