YASKAWA yasnac i80m

(9)
Interference
check
This
function
prevents
the
tool
from
accidentally
cutting
into material
other
than
the
intended
workpiece
(interference).
If
there is
a
possibility
of
interference,
an
alarm
may
be
generated
(type
A)
or
the
tool
center
path
is corrected
(type
B).
Type
A
and
type
B
can
be
selected
by
a
parameter.
Pm4013
D4
=
l
:
Type
A
Pm4013
D4
-
0
:
Type
B
l
Interference
check
can
be
changed
to
valid/invalid
by
the
following
parameter.
Pm
4013
D6
=
0
!
With
interference
check
Pm
4013
D6
=
1
I
Without
interference
check
(a)
Interference
definition
fiV
fi**
r.
y
COMMAND
T
J
N
r.v
!*>
f:.
fh
n
(J.
x
COMMAND
J
f::
N
:
1!
\:i
!
/
COMMAND
Fig.
2.12.58
Interference
Definition
For
the above
command,
the
tool
radius
path
for
tool
radius
compensation
quantity Dy
is
fl
—
f2
—
f3
—
f4
—
f5
—
f6;
for
Dx,
f3
—
f4
is
180°
different from
the
correct
command
direction
f3'
—
f4'
in
fl7
—
f2'
—
f3'
—
f4'
—
f5'
—
f6'.
This
instance
is
assumed
to
be
an
interference,
and
an
alarm is
generated.
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