18 I Operating Instructions
I – 1 Fundamentals of Positioning
Angle Reference Axis
For angular positions, the following reference axes are defined:
Positive direction of rotation is counterclockwise if the working plane
is viewed in negative tool axis direction. See Fig. I.11.
Example: Angle in the working plane X / Y
Fig. I.11 Angle and the angle reference axis, e.g. in
the X / Y plane
Plane Angle reference axis
XY +X
YZ +Y
ZX +Z
Angle Corresponds to the...
+ 45° ... bisecting line between +X and +Y
+/– 180° ... negative X axis
- 270° ... positive Y axis
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