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
2.9.6.5

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

Circular interpolation version, that uses the circle end point in polar coordinates for the
interpolation.
The following rule applies:
● The pole lies at the circle center.
● The polar radius corresponds to the circle radius.
Syntax
G2/G3 absolute pressure=... Recipe procedure=...
Meaning
G2:
G3:
NC programming
Programming Manual, 12/2019, 6FC5398-2EP40-0BA0
Circular interpolation clockwise
Effective: Modal
Circular interpolation counter-clockwise
Effective: Modal
Fundamentals
2.9 Motion commands
195