Siemens SINUMERIK 828D Programming Manual page 215

Example 2: Turning
Program code
N.. ...
N120 G0 X12 Z0
N125 G1 X40 Z-25 F0.2
N130 G3 X70 Y-75 I-3.335 K-29.25
N130 G3 X70 Y-75 I=AC(33.33) K=AC(-54.25)
N130 G3 X70 Z-75 CR=30
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
N130 G111 X33.33 Z-54.25
N135 G3 RP=30 AP=142.326
N130 CIP X70 Z-75 I1=93.33 K1=-54.25
N140G1 Z-95
N.. ...
N40 M30
Fundamentals
Programming Manual, 07/2010, 6FC5398-1BP40-0BA0
Motion commands
9.6 Circular interpolation
Comment
; Circle end point, center point
in incremental dimensions
; Circle end point, center point
in absolute dimensions
; Circle end point, circle
radius
; Opening angle, circle end
point
; Opening angle, center point in
incremental dimensions
; Opening angle, center point in
absolute dimensions
; Polar coordinates
; Polar coordinates
; Circular arc with intermediate
point and end point
; End of program
215