Siemens SINUMERIK 840D Operator's Manual page 288

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