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2.12
TOOL OFFSET (Cont'd)
(b)
Type
A: Alarm
generation
(
i
)
Because cut-in occurs
at
end point
(2)
of
Nl.
alarm "187" results and
the tool is
stopped
at start
point
(1)
of NO.
y
in
NO
«r I
i
:ÿ»
\
d
N::
Nl
NJ
Fig.
2.12.59
Alarm Occurrence
'!•
(ii)
Because cut-in occurs
at
end point
(2)
of
Nl.
alarm "187"
results
and
the tool is
stopped
at
start
point
(1)
of NO.
in
\
\
*7
\
N«
\
\
:
N:I
y
Nl
CSi
i_i
NL1
Fig. 2.12.60
Alarm Occurrence
«1>
If the programmed block move direction differs
greatly
from the offset
path move
direction
as
shown above, it is assumed that cut-in
(interference)
occurs.
Q£I2U9
Interference check is
not
performed
at
offset
startup.
152
-
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