YASKAWA YASNAC 3000G - Page 72

•
Command
format
G
code
of
canned
cycle
r
G-..
Xt---
Y±.
..
Z+...
Rf...
P-..
Q.:.
L-.- F...
*
TI
Cutting
feedrate
—
Number
of
repeats
—
Drilling
pitch
for
G73,
G83
—
Dwell
at
hole
bottom
—
R
point
coordinate
command
I—
Z
point
coordinate
command
—
Drilling
position
X,
Y
coordinate
command
Woo
INITIAL
POSITION
START
POINT
©
!©
-R
POSITION
I
©
i
i
o—
1
Z
POSITION
(HOLE
BOTTOM)
Fig.
4.
14.
16.
1
Operations
(7)
through
(T)
are
executed
in
one
cycle
with
the
commands
shown
above.
(l)
Positioning
the
drilling
position
(X,
Y)
Rapid
traverse
to
R
point
Drilling
to
Z
point
@
Re
turn to
R
point
or
to
initial
point
In
the
next
and
subsequent
blocks,
the
G
codes
of
the
canned
cycles
are
modal,
and
program
each
cycle
with
changes
only
in
the
portions
newly
specified
by
the
following
commands
.
Change
in
dril¬
ling
position
Xi-
•
Yt-
-
«
Zi---
*
-
Change
in
Z
point
X*-
••
YF-
•
P...
*
-
Change
in
dwell
time
For
cancelling
the
canned
cycles,
program
G80
(canned
cycle
cancel)
or a
G
code
of
group
A
in
the
next
block.
G
codes
of
canned
cycles
and
their
function
are
indicated
in
Table
2. 14.
16.2.
Both
cases
of
return
to
R
point
(G99)
and
return
to
initial
point
(G98)
are
indicated.
For
proper
programming
of
these
returns,
program
G98
or
G99
in
the
same
block
as
the canned
cycle
instruction
or
in
a
preceding
block.
G98,
G99
are
modal
G
codes
of
G
group.
See
2.
14.20
Designation
of
Canned
Cycle
Return
Point
for
details.
I
Absolute
/incremental
designation
Address
data
Xt-
-
-
,
Yt-
..
,
Zt-
-
-
,
R±-
-
.
of
coordinates
command
of
canned
cycles
follow
the
rules
for
G90
(absolute
designation)
or
of
G9
1
(incremental
designation).
That
is,
the
above
address
data
are
defined
as
shown below
by
G90
or
G91
programmed
in
the
same
block
as
the
canned
cycle
instruction
or
in
a
preced¬
ing
block.
Xi---
Yt---
*
-
65
-