Circular Interpolation With Polar Coordinates (G2/G3, Ap, Rp) - Siemens Sinumerik 840D sl Programming Manual

Example 2: Turning
Program code
N125 G1 X40 Z-25 F0.2
N130 G3 X70 Z-75 AR=135.944
N130 G3 I-3.335 K-29.25 AR=135.944
N130 G3 I=AC(33.33) K=AC(-54.25) AR=135.944
N135 G1 Z-95
10.6.5

Circular interpolation with polar coordinates (G2/G3, AP, RP)

The circular motion is described by:
● The polar angle AP=...
● The polar radius RP=...
The following rule applies:
● The pole lies at the circle center.
● The polar radius corresponds to the circle radius.
Syntax
G2/G3 AP= RP=
Meaning
G2:
G3:
X Y Z :
Fundamentals
Programming Manual, 01/2015, 6FC5398-1BP40-5BA2
X
3
25
54.25
95
Circular interpolation clockwise
Circular interpolation counter-clockwise
End point in Cartesian coordinates
Z
Motion commands
10.6 Circular interpolation
189