Siemens SINUMERIK 802D sl Programming Manual page 29

04.07
Example of programming
G17 G90 G03 X15. Y40. I-30. J-10. F150;
Example of programming
G17 G91 G03 X-40. Y20. I-30. J-10. F150;
Fig. 2-4
If the specified end point is not on the specified arc, the arc radius is gradually
changed from the start point to the end point to generate a spiral so that the end
point lies on the specified arc.
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SINUMERIK 802D sl/840D/840D sl/840Di/840Di sl/810D ISO Milling (PGM) -- 04.07 Edition
Y-axis
End point
40.
20.
Center
15.
(a) Absolute programming (G90)
Y-axis
End
point
40.
20.
Center
15.
(b) Incremental programming (G91)
End point of circular arc
Commands Calling Axis Movements
2.1 Interpolation commands
Start point
G03
--10.
--30.
55.
--40.
G03
20.
--10.
--30.
55.
X-axis
X-axis
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