Fundamental Geometrical Principles; Cartesian Coordinates - Siemens SINUMERIK 840D sl Programming Manual

Fundamental Geometrical Principles

1.1 Workpiece positions
1.1.2

Cartesian coordinates

The axes in the coordinate system are assigned dimensions. In this way, it is possible to
clearly describe every point in the coordinate system and therefore every workpiece position
through the direction (X, Y and Z) and three numerical values The workpiece zero always has
the coordinates X0, Y0, and Z0.
Position specifications in the form of Cartesian coordinates
To simplify things, we will only consider one plane of the coordinate system in the following
example, the X/Y plane:
Points P1 to P4 have the following coordinates:
Position
P1
P2
P3
P4
14
Coordinates
X100 Y50
X-50 Y100
X-105 Y-115
X70 Y-75
Programming Manual, 09/2011, 6FC5398-1BP40-2BA0
Fundamentals