Siemens SINUMERIK 840Di sl - Page 311

6
01/2008 "Program" operating area
6.7 Free contour programming
6
© Siemens AG 2008 All rights reserved.
SINUMERIK 840Di sl/840D sl/840D Operating Manual HMI-Advanced (BAD) - 01/2008 Edition 6-311
Example 3
Starting point: X=0 abs., Y=5.7 abs., machining plane G17
The contour is programmed in a clockwise direction.
Workpiece drawing of contour
5
22°
R
2
R
3
.
2
R
2
60°
R
2
R
9
.
5
11.5
Starting point
X=0, Y=5.7
15.214.8
Y
X
4.65
4.65
Element Softkey Parameters Comment
1 Counterclockwise direction of rotation, R=9.5, I=0 abs.,
make dialog selection,
Transition to following element: R=2
2
α1=−30 degree
Observe angles in help
screen!
3 Clockwise direction of rotation, tangent to preced.
R=2, J=4.65 abs.
4 Counterclockwise direction of rotation, tangent to preced.
R=3.2, I=11.5 abs., J=0 abs., make dialog selection, make
dialog selection
5 Clockwise direction of rotation, tangent to preced.
R=2, J=−4.65 abs., make dialog selection
6 Tangent to preced.
α1=−158 degrees, Y=−14.8 abs., α2=0 degrees
Observe angles in help
screen!
7
A
ll parameters, L=5, make dialog selection
8 Y=5.7 abs.