4 Programming of Motion Blocks 05.91
4.3.2 Thread with constant lead
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If
> 45°, the lead in the X direction (parameter
) must be
programmed instead of the lead in the Z direction (parameter K).
Example: Transversal thread
h=
t
80
10 30
3
P2 P1
P4
P6
P3
P5
W
X
Z
3
Lead h = 2 mm
Thread depth t = 1.3 mm
Infeed direction perpendicular to cutting direction
Absolute position data input:
N40 G90 S . . .
L
F
N45 G00 X4 Z82
L
F
(P1)
N50 Z79.35
L
F
(P2)
N55 G33 X36 I2
L
F
(P3)
N60 G00 Z82
L
F
(P4)
N65 X4
L
F
(P1)
N70 Z78.7
L
F
(P5)
N75 G33 X36 I2
L
F
(P6)
N80 G00 Z82
L
F
(P4)
N85
.
.
.
4–58
© Siemens AG 1991 All Rights Reserved 6ZB5 410-0HD02
SINUMERIK 880, (PG)
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