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8-11. Longitudinal Straight Thread Cutting (G187)
(X
+ I, Z
)
1
0
[Program format]
N100
G00
N101
G95
N102
G187
N103
N104
G180
Since the G187 cycle contains only Q
as in the program above can cut threads continuously.
Cycle operation
Q
: The axes are positioned in the G00 mode to the point specified by X
1
completion of positioning, the M-tool spindle starts rotation in the forward direction.
Q
: The C-axis starts rotation. The thread cutting cycle is carried out up to point (X
2
the G01 mode.
The thread cutting cycle is carried out in accordance with the commands in sequence N103 up to
the commanded target point (X
rapid feedrate by the command G180 (cancel) specified in the N104 sequence.
:
X
Z
0
0
SB=
X
Z
C
I
1
1
Z
2
:
and Q
1
+ I, Z
). Then, the axes are returned to the starting point at the
1
2
(X
+ I, Z
)
1
1
Q
2
K
SA=
SA=
cycles, repeated designation of G187 in succession
2
5238-E P-147
SECTION 7 FIXED CYCLES
Starting point
(X
, Z
0
Q
1
I/2
(X
, Z
)
1
0
K
LE33013R0300900390001
LE33013R0300900390002
and Z
- K. After the
1
0
+ I, Z) in
1
)
0
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