Dumor Multilam 360 Gebruikershandleiding - Pagina 4

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Hot lamination double sided 70 micron pet film on up all models

Heating on both rolls => ON

The film is threaded in the machine following the diagram not using the anticurling system.

Lower the pressure rollers and start the machine, pressure setting medium.

Once the film is wrinkle free insert the substrate carefully.

Select the appropriate temp for the film you use

Note that generally :

Thinner film = less temp / slightly higher speed eg 120/ 130°C, speed 4 or 5

Thicker film = more temp / lower speed eg 140°C, speed 1 or 2

There is no hard and fast rule, find the best setting by trial.

Attention, a too high temp will tend to burn off the ink on digital print and cause speckling!

NOTE:

• Freshly printed Xerox®/Konica® production should be left to air for several hours before trying to laminate to let

the silicone oil evaporate.

• The different kinds of print will require different kinds of adhesive on the film eg super sticky for Xerox/Konica paper.

• On wax based printers the darker colours are thicker than the lighter colours due to more wax being applied to

darken the colour. This means that you can see a difference in the film height around the contour of profile of the

colour being covered by the film.

• The edge seal of the film on thicker substrates may not wrap fully due to the thickness of the substrate.

• If you trim the film close to the substrate the adhesion and sealing will be diminished.

• As soon as you stop the production raise the rolls or flat spots will occur !

Single side lamination using bopp film of ca 25 - 30micron models 360 / 460 / 660

In this case only the upper roll holder is used and the only single side switch is enabled on the back of the machine

Feed the film through the de curler you need to use.

Thicker paper => roller de curler

Thinner paper => bar de curler

By trial you will find the right height of the de curler to get the flat output

Output curling upwards => increase the de curler height

Output curling downwards => decrease the de curling height

Speed 1 to 3 depending on the film

Pressure setting higher

Heat ca 110°C to 120°C

A too high temp will blister the digital print !

Optional film strippers in position and engaged to cut the film to width