Fundamental Geometrical Principles
1.3 Position of coordinate systems
Fundamentals
Programming Manual, 10.2004 Edition, 6FC5 298-7AB00-0BP1
1-11
B
Start point. Can be defined for each program.
Start point of the first tool for machining.
R Reference point. Position determined by cams and measuring system.
The distance to the machine zero M must be known, so that the axis
position can be set at this place exactly on this value
1.3 Position of coordinate systems
1.3.1 Overview of various coordinate systems
We distinguish between the following coordinate systems:
• The machine coordinate system with the machine zero M
• The basic coordinate system (this can also be the workpiece coordinate system W)
• The workpiece coordinate system with the workpiece zero W
• The current workpiece coordinate system with the current offset workpiece zero Wa
In cases where different machine coordinate systems are in use (e.g., 5-axis transformation),
an internal transformation function mirrors the machine kinematics on the coordinate system
currently selected for programming.
Note
The individual axis identifiers are explained in the subsection headed "Axis types".
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