Siemens SINUMERIK 808D Milling Programming And Operating Manual page 77

Pole change example
Figure 4-4
Pole:
End point:
L1abs = 10.0
New pole:
Xpole1 = 5.0
Next point:
L1inc = -2.0
Milling Part 1: Operation
Programming and Operating Manual, 12/2012, 6FC5398-4DP10-0BA0
pole change (milling)
Xpole = 0.0,
ϕabs = 30.0°
Ypole1 = 5.0
ϕinc = 45.0°
4.5 Free contour programming
Ypole = 0.0,
Calculated Cart. Coordinates
Xabs = 8.6603
Calculated polar coord. Predecessor
L1abs = 3.6603
Absolute polar coordinates for current element
L1abs = 1.6603
Calculate Cartesian coordinates
Xabs = 1.1740
Part programming
(Pole 0)
Yabs = 5.0
(Pole 1)
ϕabs = 0.0°
ϕabs = 45.0°
Yabs = 1.1740
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