Dumor MULTILAM 350-650 Linear Посібник користувача - Сторінка 4

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The film is already tacky at room temp.

Lower the upper roll to meet the lower roll and start the machine up (forward button).

For cold lamination a higher pressure setting on the lever will be needed to chase out bubbles.

Run some film through the machine until the tension is steady (seen by having a wrinkle free web).

In the case of using a paper backing use the rewinder on the 350 RW to take up the paper.

If the wrinkles do not disappear fast you have not well aligned the track of the film or there is not enough brake

tension.

Once the film is running well and wrinkle free, align and slide in the substrate to be covered.

For encapsulation leave about 1cm between the sheets.

Once finished raise the rolls

Never store the unit under roller pressure or you will get flat spots on the rolls !

HOT LAMINATION DOUBLE SIDED 70 MICRON PET FILM ON UP ALL MODELS (as above plus)

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

• 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.

• A too high temp will tend to burn off the ink on digital print and cause speckling!

• 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 /koni-

ca paper

• That 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

• That 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 !