Siemens SINUMERIK 840Di sl - Assignment of Workpiece Coordinate System to Machine Axes

Fundamental Geometrical Principles
1.3 Position of coordinate systems
Fundamentals
Programming Manual, 11/2006, 6FC5398-1BP10-2BA0
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• Performing multi-side machining operations.
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The conventions for the working plane and the tool offsets must be observed – in
accordance with the machine kinematics – for machining operations in inclined working
planes.
For further information, please see "Selection of working plane, G17 to G19".
1.3.6 Assignment of workpiece coordinate system to machine axes
The location of the workpiece coordinate system in relation to the basic coordinate system
(or machine coordinate system) is determined by settable frames.
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The settable frames are activated in the NC program by means of commands such as G54.