YASKAWA yasnac i80m

2.12
TOOL OFFSET
(Cont’d)
When
the
tangential
angle
at
twii
programmed
blocks
ia
.'iU'or
lev-.
>r
when
value
y
is
smaller
than
i
he
value
set
by
parameter
I’ni-MSfi
Actual
mote
of
tool
f
!
/
!/
.
’**’
«
d:
T< ml
diameter
y:
Value
of
parameter
PmJ4oii
,1
j
j
SfTor
les?
/
i
Programmed
path
Fig.
2.12.69
Tool
motion
with
small
programmed tangential
angle
17.
Type
A
cancellation
of
offset
When
move
command
for
offset
plane
is
not
provided
in
G40
command
block,
the
program
such
as
examples
1
and
2
may
not
be
executed
as
commanded.
(Example
1)
Where concellation
of offset
and
work
coordinate
sys¬
tem
setting
are
commanded
simultaneously.
G40;
GO
Z-10.;
G90
G55
J02
XO
YO:
(Example
2)
Where
cancellation
of offset
and
offset
startup
are
commanded
simultaneously.
G40;
G42
G01
XO.
YO.;
(10)
G39
(compensation
around
circular
arc)
By
commanding
G39
during
tool
diameter
compensation
C
command
(G41/G42).
the
tool
can
move
in
the
corner
in
circular
arc.
G
39
is
a
non-modal
G
code.
•
G39
commanding
method
Q)
G39
is
commanded
alone.
©
All
codes
after
G39
are
disregarded.
G39
I_
J_
S_
F
_
;
160
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