Siemens SINUMERIK 840D sl Programming Manual page 219

Examples
Example 1: Milling
Program code
N10 G0 X67.5 Y80.211
N20 G3 X17.203 Y38.029 AR=140.134 F500
N20 G3 I–17.5 J–30.211 AR=140.134 F500
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, 09/2011, 6FC5398-1BP40-2BA0
X
3
25 25
54.25 54.25
95 95
Z
Motion commands
9.6 Circular interpolation
219