3 Directions of Movement, Dimensioning 01.93
3.10 Coordinate rotation
3.10 Coordinate rotation
By coordinate rotation the coordinate system of the workpiece can be defined independently of
the coordinate system of the machine. Thus, a workpiece does not have to be oriented along
the machine axes. The settable coordinate rotation is intended for this purpose.
If several identical contours pointing in different directions have to be machined on one
workpiece, you can use the programmable coordinate rotation.
Example: The workpiece W with coordinate system X
W
and Y
W
is clamped to machine
coordinate system X
M
and Y
M
at the angle A
E
. Three geometrical shapes are to be cut out
which are identical but have different positions and orientations.
X
workpiece
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machine
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Y
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X
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Y
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Y
3
X
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X
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1
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A
E
Y
machine
Y
workpiece
Settable and programmable coordinate rotation
% 10
N005 G55
( X
E
, Y
E
, A
E
, settable coordinate rotation )
N010 G00 F500 X.. Y.. Z.. ( Machining the outside edge of the workpiece )
N015 G01 ...
N020 ...
N025 G58 X
1
Y
1
A
1
( Programmable coordinate rotation )
N030 L10 ( Subroutine e.g. for elongated hole machining )
N035 G58 X
2
Y
2
A
2
N040 L10
N045 G58 X
3
Y
3
A
3
N050 L10
N055 M02
3–22 © Siemens AG 1991 All Rights Reserved 6ZB5 410-0HD02
SINUMERIK 880, (PG)
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