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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
-
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