Operation
ORCA-I Operation Manual
GBC Pro-Tech 1997 October
3-8
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1.
See process chart 3-3 and diagram 3-3a.
2.
Shims: None.
3.
Front Laminating Roll Pressure: 80 PSI
(550 kPa).
4.
Back Pull Roll Clutch Pressure: On, 80 PSI
(550 kPa).
5.
Pull Roll: Down, 60 PSI (414 kPa).
6.
Speed: 5-7 fpm (1.5-2 m/min).
7.
Upper Laminator Roll Heat: 220°F (104 °C).
8.
Lower Laminator Roll Heat: 220°F (104 °C).
9.
Cooling: Off.
10.
Use of the rear wind-up roll for the finished
material is optional. It is a good procedure for
long runs.
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Feed the work into the nip with the leading edge tight
and entering the nip evenly from side to side. For thin
paper from electrostatic printers in roll form it is best
to fold over the leading edge approximately 6 inches
to create a square leading edge.
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There are several approaches to the mount/laminate
task. It can be accomplished with either hot or cold
laminate film on the top. Also, the second pass for
mounting can be done by feeding from either the front
or back of the laminator.
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See process charts 3-4, 3-5, 3-6, 3-7 and diagrams
3-4a, 3-5a, 3-6a, and 3-7a for film mounting
instructions and machine adjustments.
Be sure that the mounting film from the bottom side
has the sticky (adhesive) side riding up around the
outside of the bottom laminating roll.
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1.
Run the print through to apply adhesive and
laminate.
2.
Trim to slightly larger than the desired finished
size.
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1.
Prepare to put the print through a second time to
mount the print to the substrate - anything from
wood, to Masinote, to Gator foam. Start by
setting the shims to the appropriate spacing for
the material used.
2.
Trim the board to the size of the print.
3.
Align the work to the board and ensure an exact
fit. Place weights on the center of the print to
make sure that it does not move relative to the
board during the next steps.
4.
Raise one end of the print and peel back
approximately two inches of the liner to expose
the adhesive that was applied to the print in the
first pass. Fold it under.
5.
Lay the print back down evenly and extremely
flat. From the center outward, tack the exposed
adhesive to the substrate.
6.
Position the piece so that the end with the liner
peeled back is facing the nip. Insert the first one
inch of the board into the nip. Very carefully
wrap the print back and over the top laminating
roll. Be sure there are no wrinkles in the nip area.
Carefully peel off the liner as the board
progresses through the laminator.
7.
Trim the piece to the finished size.
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