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4.4
Webbing
For laminating processes the machine must be webbed before images on thin film or on panels can
be processed. The machine can be webbed for single sided or double sided processing.
When mounting images the machine is not webbed.
Note:
In single sided processes adhesive residues will stay behind on the bottom roller where the film is
wider than the images. To prevent this, use film of the same width as the image. Or, a release
liner of the same width as the top film can be used in the bottom section. The release liner can
easily be removed later on.
When processing panels, a leader panel (waste panel equal to the panels to process) is needed to
feed in the film and set the pressure and tension.
When processing thin images a release board is needed to feed in the film. When this panel is
through, the nip is set to zero and the images can be fed. The release board is then cleaned and
can be used again.
4.4.1
Release liner and splitter bars
In the upper section, when processing film with release liner, the splitter bar is used to split release
liner from the film. The release liner is wound-up on the tube in the front of the machine.
Figure 14: Use of a splitter bar.
The film with release liner (A) is running underneath the splitter bar, where the release liner is split
off. Film without release liner (B) would leave adhesive remains behind on the splitter bar, so this is
lead over the splitter bar
In the lower section (C), the film is running underneath the splitter bar to avoid adhesive remains
staying behind on it.