YASKAWA yasnac i80m Instruction Manual page 184

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 -