Siemens SINUMERIK 880 Programming Manual page 141

05.91
Example: Rectangle
The subroutine below permits a rectangle, with variable ratio of sides, which are parallel to the
machine axes, to be machined in the X-Y plane.
L F
%300
L F
N26 G90 X . . . Y . . .
N27 R0=60 R1=30. R2=5. R3=8. L46 P1
L F
N28 G90 X . . . Y . . .
L F
N29 R0=40. L46 P1
Subroutine
L F
L 46
L F
N05 G01 G91 Z=–R2
L F
N10 G64 X=R0
N15 G02 X=R3 Y=–R3 J=–R3
L F
N20 G01 Y=–R1
N25 G02 X=–R3 Y=–R3 I=–R3
L F
N30 G01 X=–R0
N35 G02 X=–R3 Y=R3 J=R3
L F
N40 G01 Y=R1
N45 G02 G60 X=R3 Y=R3 I=R3
L F
N50 G01 Z=R2
L F
N55 M17
Y
30 mm
30 mm
W
Rectangle
© Siemens AG 1991 All Rights Reserved
SINUMERIK 880, (PG)
(First starting position of current program)
L F
(Second starting position)
L F
L F
L F
L F
R0=60 mm
B1
R3=8 mm
Rectangle depth
R2=5 mm
(N 27 )
R0=40 mm
B1
R3=8 mm
Rectangle depth
R2=5 mm
R1
(N 29 )
6ZB5 410-0HD02
7.5 Programming examples with parameters
R1
R2 = Infeed depth of Z axis
B1 = Starting and end positions of subroutine
7 Parameters
X
7–7