Siemens SINUMERIK 840Di sl - Page 144

Motion commands
4.9 Circular interpolation with polar coordinates (G2/G3, AP=, RP=)
Fundamentals
144 Programming Manual, 11/2006, 6FC5398-1BP10-2BA0
Example of milling
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Programming a circle with polar coordinates
N10 G0 X67.5 Y80.211
N20 G111 X50 Y50
N30 G3 RP=34.913 AP=200.052 F500
Example of turning
Z
X
54.25
54.25
25
25
95
95
Ø 33.33
Ø 33.33
30
30
Ø 40
Ø 40
1
4
2
.
3
2
6
°
Programming a circle with polar coordinates
N125 G1 X40 Z-25 F0.2
N130 G111 X33.33 Z-54.25
N135 G3 RP=30 AP=142.326
N140 G1 Z-95