Fundamental Geometrical Principles
1.2 Position of zero points
Fundamentals
Programming Manual, 11/2006, 6FC5398-1BP10-2BA0
23
Turning:
=
;
5
%
:
$
0
Reference points
They are:
M Machine zero
A Blocking point. Can coincide with the workpiece zero point
(only turning machines).
W Workpiece zero = Program zero
B Start point. Can be defined for each program.
Start point of the first tool for machining.
R Reference point. Position determined by cams and measuring
system. The distance to the machine zero M must be known, so
that the axis position can be set at this place exactly on this value
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