Siemens SINUMERIK 840Di sl - Page 142

Motion commands
4.8 Circular interpolation with arc angle and center point (G2/G3, AR=)
Fundamentals
142 Programming Manual, 11/2006, 6FC5398-1BP10-2BA0
Example of milling
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Programming a circle with opening angle and center point or end point
N10 G0 X67.5 Y80.211
N20 G3 X17.203 Y38.029 AR=140.134 F500
or
N20 G3 I–17.5 J–30.211 AR=140.134 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 opening angle and center point or end point
N125 G1 X40 Z-25 F0.2
N130 G3 X70 Z-75 AR=135.944