Coordinate Systems; Machine Coordinate System (Mcs) - Siemens Sinumerik 840D sl Programming Manual
Fundamentals
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- Function manual (2184 pages) ,
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Fundamental Geometrical Principles
2.4 Coordinate systems
2.4
Coordinate systems
A distinction is made between the following coordinate systems:
● Machine coordinate system (MCS) (Page 24) with the machine zero M
● Basic coordinate system (BCS) (Page 26)
● Basic zero system (BZS) (Page 28)
● Settable zero system (SZS) (Page 29)
● Workpiece coordinate system (WCS) (Page 30) with the workpiece zero W
2.4.1
Machine coordinate system (MCS)
The machine coordinate system comprises all the physically existing machine axes.
Reference points and tool and pallet changing points (fixed machine points) are defined in the
machine coordinate system.
If programming is performed directly in the machine coordinate system (possible with some G
functions), the physical axes of the machine respond directly. Any workpiece clamping that is
present is not taken into account.
Note
If there are various machine coordinate systems (e.g. 5-axis transformation), then an internal
transformation is used to map the machine kinematics on the coordinate system in which the
programming is performed.
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Programming Manual, 01/2015, 6FC5398-1BP40-5BA2
Fundamentals
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