Siemens SINUMERIK 880 Programming Manual page 143

05.91
Example: Line-by-line milling
The transitions are programmed with radii, in order to prevent any reduction in the feedrate
and hence relief-cutting marks when changing the direction of movement.
60
R0
R1
500 R2=480
R1
R0
R0=40
1
R1=10
Calling L34 in higher-level program:
N80 L34 P9 R0=40. R1=10. R2=480. F200
L F
L34
N05 G01 G64 G91 X=R0
N10 G03 X=R1 Y=R1 J=R1
N15 G01 Y=R2 L F
N20 G02 X=R1 Y=R1 I=R1
N25 G01 X=R0 L F
N30 G02 X=R1 Y=–R1 J=–R1
N35 G01 Y=–R2 L F
N40 G03 X=R1 Y=–R1 I=R1
L F
N45 M17
© Siemens AG 1991 All Rights Reserved
SINUMERIK 880, (PG)
60
R1
3
2
L F
L F
L F
L F
L F
L F
6ZB5 410-0HD02
7.5 Programming examples with parameters
Y
X
4 9
5 . . . 8
7 Parameters
7–9