Siemens SINUMERIK 840DE Programming Manual page 112

Programming Motion Commands
4.2 Travel commands with polar coordinates, polar angle, polar radius
If the dimensions of a workpiece, such as those in hole patterns, proceed from a central
point, then the dimensions are given in terms of angles and radii.
Programming
G0 AP=... RP=...
Or
G1 AP=... RP=...
Or
G2 AP=... RP=...
Or
G3 AP=... RP=...
The new end position is defined relative to a pole, see defining the pole G110, G111, G112
Parameters
G0
G1
G2
G3
AP=
RP=
=AC(...)
=IC(...)
4-6
Rapid traverse movement
Linear interpolation
Circular interpolation clockwise
Circular interpolation counter-clockwise
Polar angle, value range ±0...360°, the polar angle can be
defined both absolutely and incrementally.
Polar radius in mm or inches always in absolute positive
values.
Absolute dimensioning
Incremental dimensioning
Programming Manual, 10.2004 Edition, 6FC5 298-7AB00-0BP1
Fundamentals