YASKAWA yasnac i80m

(7)
Method
of
commanding
2-step
hole
canned
cycle
Two-step
cycles
are
provided
to
enable
opening
holes
in
hollow
workpieces
such
as
castings.
These
cycles
correspond
to
G80
to
G
89
canned
cycles.
For
two-step
hole
commands,
100
is
added
to
each
G
code
to
produce
G181.
G182,
G185,
G186,
G187,
and
G189,
com¬
mands.
•2-step
hole
drilling
(G181)
command
l
U
18
1
X_
Y
_
Z_
R.
L._
V_
K.
L_
W.
;
Q':v4
?
INITIAL
POINT
i
l
t
W-
POINT
R
POINT
E FEED
F
FEED
J-
POINT
K-POINT
r
E
FEED
,
,
F FEED
i
‘
Z-POINT
o
SINGLK-HLOCK
STOP
J
:
2-STEP
HOLE
RAPID
FEEDRATE
START
POINT
(absolute/incrcmental)
K
:
2-STEP
HOLE
CUTTING
FEED
START
POINT
(absolute/incrcmental)
E
:
2-STEP
FEEDRATE
(1st
step
:
E,
2nd
step
:
F)
Q
:
SPEED
CHANGE
POINT
(incremental)
W
:
NEW
INITIAL
POINT
(absolutc/incrcmcntal)
To
use
J
or
K
in
the
Gyl
I
incremental
I
mode,
use
an
incremental
value
measured
from
point
R.
Fig.2.13.13
2
-step
Hole
Drill
(G181)
Command
-
189
-