Siemens SINUMERIK 880 GA2

01.93 4 Programming of Motion Blocks
4.2.11 Coordinate transformation 2D G133, G233, G333/3D G135, G235, G335
4.2.11 Coordinate transformation
2D G133, G233, G333/3D G135, G235, G335
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a
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a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a
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The ”Coordinate transformation 2D/3D” function is an
option.
The order code is: B67
The transformation can be programmed as two-dimensional (2D) or three-dimensional (3D).
The programming is done in a fictitious (Cartesian) coordinate system. The machine moves in
a real machine coordinate system.
Special fictitious axes must be defined for the fictitious coordinate system.
If two-dimensional coordinate transformation is selected, plane G18 is active as standard.
If three-dimensional coordinate transformation is selected, plane G17 is active as standard.
Two-dimensional coordinate transformation
Transformation parameter and constant:
a1: offset of the read system in u direction relative to the fictitious zero.
a2: offset of the real system in v direction relative to the fictitious zero.
: angle of rotation of the real system relative to the fictitious system.
2D G133, G233 or G333 transformation
a a
a a
a a
a a
a a
a a
a a
a a
y
a a
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a a
a a
x
a a a
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a a a
a a a
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a a a
u
a a
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v
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a a a
a
2
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1
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a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a
x, y = real coordinate system Transformation equations:
u, v = fictitious coordinate system u=a
1
+x cos – y sin
a
1
, a
2
= offset v=a
2
+x sin +y cos
= angle of rotation
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