Siemens SINUMERIK 840D

6
"Program" Operating Area 03.04
6.5 Free contour
p
ro
g
rammin
g
6
 Siemens AG, 2004. All rights reserved
6-288 SINUMERIK 840D/840Di/810D Operator's Guide HMI Advanced (BAD) – 03.04 Edition
Pole change example
Pole:
X
Pole
= 0.0, Y
Pole
= 0.0 (Pole 0)
End point:
L1
abs
= 10.0
ϕ
abs
= 30.0°
Calculated Cart. coordinates
X
abs
= 8.6603 Y
abs
=5.0
New pole:
X
Pole1
= 5.0 Y
Pole1
= 5.0 (Pole 1)
Calculated polar coord. for prev.
element
L1
abs
= 3.6603
ϕ
abs
= 0.0°
Next point:
L1
inc
= -2.0
ϕ
inc
= 45.0°
Absol. pol. coord. for current
element
L1
abs
= 1.6603
ϕ
abs
= 45.0°
Calc. Cart. coordinates
X
abs
= 1.1740 Y
abs
= 1.1740
5
5
10
Y
X
8.6603
10
Pole 0
Pole1
φ
inc
45.0 °
φ
inc
30.0 °
L1
inc
-2
Prev.
element
Polar coordinates for prev
element with ref to pole 1:
L1= 3.6603, φ = 0
φ
0 °
1.6603
Polar coordinates with
ref. to pole 0 (entry)