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5.3.3 Loading shaft with film rolls
The film roll is put on the shaft depending on the type of film and the use in the upper or lower
section of the machine.In general pressure sensitive film with release liner (A) is rolled up with the
liner (3) and adhesive (2) to the outside of the film (1), whereas film without release liner (C) has its
adhesive layer to the inside of the roll. However North American pressure sensitive films in general
have the release liner on the inside of the roll (B).
Figure 14: Film rolls.
•
In the upper section, the adhesive (2) side in contact with the image must be on the top when
unwinding the film to the front of the machine.
•
In the lower section, the adhesive (2) side in contact with the image must be on the bottom
when unwinding the film to the front of the machine.
Figure 15: Film adhesives.
Swing out the auto-grip shafts from the unwind positions of the machine.
1.
Slide the film rolls onto the swing shafts as described above.
2.
Swing the shafts back into their supports and close the shaft support covers.
3.
Unwind direction of film towards the front of the machine:
in the upper section;
•
film with release liner on the outside unwinds from the top (A),
•
film with release liner on the inside unwinds from the bottom (B),
•
film without release liner unwinds from the bottom (C).
in the lower section;
•
film with release liner on the outside unwinds from the bottom (D),
•
film with release liner on the inside unwinds from the top (E),
•
film without release liner unwinds from the top (F).
Push both sides of the shaft firmly into their supports.
4.
Turn the shaft until the grippers lock in.
5.
Position the film and the scrap core in the middle and align them.
6.
Operating
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