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PROBLEM: Wavy or rippled sections in the laminate, especially toward the center
of the web.
SOLUTION:
These “heat wrinkles” are caused by excess temperature and/or speed for
the film being used. Slow down the motor and/or use a lower appropriate temperature
for that particular film.
PROBLEM: General haziness or cloudiness in the film after lamination.
SOLUTION:
Increase the temperature. Cloudiness is a result of incomplete adhesion.
On a variable speed machine loaded with thicker film, it may be that the film is being run
too fast and is not getting enough time on the heat shoes.
PROBLEM: Bubbles in the center of the web and/or film not sticking to the center
of an item.
SOLUTION:
This problem can be caused by excessive laminating roll pressure.
Putting too much pressure on the laminating rollers actually decreases pressure in the
center of the web.
The other likely cause of this symptom is worn rollers. For example, if hundreds of
thousands of 18-inch wide sheets are laminated on a 38-inch machine, the center of the
rollers can get worn down more than the ends of the rollers. In this situation, the
laminating rollers should be replaced. The rollers worn in this way are not suitable for
use as pull rollers.
For problems not listed here, contact your LEDCO dealer. If the dealer doesn’t know
the answer, please ask the dealer to contact LEDCO and get back to you.
You are also welcome to contact us directly with any problem at (585) 367-2392;
however, to minimize time and inconvenience, we encourage you to contact your dealer
first.
Summary of Contents for Premier 4
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