Siemens SINUMERIK 828D Programming Manual page 225

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
Fundamentals
Programming Manual, 07/2010, 6FC5398-1BP40-0BA0
X
3
25 25
54.25 54.25
95 95
Z
Motion commands
9.6 Circular interpolation
225