Absolute Dimensions - Siemens Sinumerik 840D sl Programming Manual

Fundamental Geometrical Principles
2.1 Workpiece positions
The polar angle is the angle between the polar radius and the horizontal axis of the working
plane. Negative polar angles are in the clockwise direction, positive polar angles in the
counterclockwise direction.
Example
Points P1 and P2 can then be described – with reference to the pole – as follows:
Position
P1
P2
RP: Polar radius
AP: Polar angle
2.1.4

Absolute dimensions

Position specifications in absolute dimensions
With absolute dimensions, all the position specifications refer to the currently valid zero point.
Applied to tool movement this means:
the position, to which the tool is to travel.
18
Polar coordinates
RP=100 AP=30
RP=60 AP=75
Programming Manual, 01/2015, 6FC5398-1BP40-5BA2
Fundamentals