YASKAWA yasnac i80m

2.13
PROGRAM
SUPPORT
FUNCTIONS
(Cont’d)
Circle
Cutting
(G12, G13)
*
This
function
provides
a
canned
cycle
in
which
a
series
of
operations
to
cut
a
circle
can
be commanded
with
a
single
block.
Various commands
are
provided
as
shown
below.
(1)
Circle
cutting
(G12,
G13)
command
2.13.3
G12
(G13)
I
......
D F
:
With
this
command,
a
circle
can
be
cut.
Y-AXIS
I
UOL
'y
/ÿT
CNM
/
X-AXIS
S’l
Ali'l
1
1.U
NT
“f-ilTT
I
Fig.
2.13.20
Circle
Cutting
Command
(G12,
G13)
(2)
High-speed
feed
interval
specification
R
G12
(G13)
I
......
R
......
D
F
:
With
this
command,
circle
cutting
is executed
as
shown
in
Fig.2.13.21.
R
specifies
the interval
in
which
the tool is
fed
at
high
speed.
Y-AXIS
/
>
.TOOL
>i>
A>
'25
X-AXIS
START
J'OINT
J
TOOL-
PATH
G12
:
—
ij'—
'fi'-tC'
G
is
:
I]I
and
(£•’
are
hijjh
speed
feed
interval.
V
I;
Tpi"
(in
I
Shows
that
tool
diamefer
compensation
number
of
tool
offset
amount
is stored.
(D)
Fig.
2.13.21
High-speed
Feed Interval
Specification
R
"
-
206
-