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2.2
PROGRAMMING (Cont'd)
•
Splicing
NC
tape
ID
To
join
part
program
tapes,
the
two
ends should be
placed
end
to
end
without
overlapping and without
a space.
(2)
A
proper length
ot'
splicing
tape
(approx.
0.08
mm
in
thickness)
should
be
applied on one
side.
(3)
After
splincing,
the
tape
should be checked for
correct
alignment
of
the feed holes before
use.
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V.
APPROX.
SPLICING TAPE
Jt
=ÿ
TAPE
*
Example
.
"
NCB SPLICING
TAPE
8-CHANNEL
FULLY PERFORATED
SILVER
7
NC TAPE
Fig.
2.2.7 Splicing
Part
Program Tape
1
. T
ape
splices are
available in the
fully perforated
type
and in the
type
in which
only
the
feed holes
are
punched, but the former is
more
convenient.
2.
Do
not
use
rigid
industrial
adhesive,
and do
not
make the
joint too thick,
as
these
conditions
are
conductive
to
jamming
troubles.
•
Keeping
NC
tape
Generally, properly maintained
part
program
tapes
can
last
at
least 300
cycles,
with one cycle consisting
of
one reading and one rewinding
pass.
I
i
1. Part
program
tapes
should be stored in
a
clean
area,
free of
contaminants and
humidity.
2. Do
not
handle
part
program
tapes
wearing gloves
contaminated with oil
or cutting
fluid.
-
34
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