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2.13
PROGRAM SUPPORT FUNCTIONS (Cont'd)
i
k-IOIST
--
U-KilMl
!*if;*;*!*
i
i
l
i
-I
—
L
T
i
l-J
l-J
ft
T
TT
I--M
l--'J
II.
i
1
—
in
—
lij
I
—
m
—
1 ij
K".
1
K
K
K-: FINAL
CUT
INTO
/-MINT
KfiK
-Z-lMlKI
Z HUM
ibl
FOR
G
83
ta>
FOR G 73
The value of
o
is given
by
parameter
setting
(HmSiO
for
G73,
PtnS71
tor G83).
(2QH)
Fig. 2.13.7
Command
of G73 or G83
iLiina
O
Q. I.
J. and K
are
modal
in
a
canned cycle. They
are
commanded without
a sign.
Q
A
variable
pilch
can
be commanded
by
using
Q
in place of
address
I. If
Q,
I,
J.
and K
are simultaneously commanded,
variable pitch
cut
is
performed
with
Q
taken
as
the
initial value
of cut-in
quantity.
Because Q
is
modal,
if there
is
a
Q
command before variable
pitch is
commanded
with I.
J, or
K.
Q
0
must
be commanded.
Q
Alarm "174"
occurs
unless
Q
and 1.
J.
or
K
are
commanded.
Q
If J =0
or no
J command
is specified in
a
G73/G83
variable
pitch
command,
uni¬
form pilch drilling will be performed.
of
Programmingÿ
C
9 1
G73 X---
R
-
3
0.
Z-G5. I
10. J 1. K4. F-- ;
CUT-IN QUANTITY
1
0
mm
-
I III.
1st
2nd
9
mm
8
in
m
7
mm
3rd
1
lit
5 th
6
mm
5
mm
6 th
7
th
-
K
J.
4
mm
4
tnm
*lh
9 th
-
K'
2
inin
TOTAI.
5 5.00 mm
•-
-
V. -55.
184
-
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