GM · CONVERTING UNIT
49
18.10.
Triangle adjustment of the flexo unit (Coarse adjustment)
In order to obtain best possible varnish/print quality on the flexo unit an initial coarse adjustment is
necessary. Under normal conditions this should be performed once a month at least or every time after
cleaning the flexo unit.
Clean impression roller, varnish roller and surface of anilox roller. Activate (engage) the varnish roller in
the “main screen” (press the varnish roller in the touch screen so the symbol turns to yellow colour).
1.
From the front-end of the flexo unit insert two liner paper between the impression cylinder and the
plate cylinder. Now lower the plate cylinder until it is not possible to move the liner paper. Do not
tighten the plate cylinder too much against the paper. You have to make sure the distance is exact
on both sides.
With a slightly pull in each of the liner papers the should be some tension.
2.
From the backside of the flexo unit insert two liner paper between anilox roller and plate cylinder.
Now adjust the anilox roller towards the plate cylinder.
Do not adjust the plate cylinder
. Gently
adjust the anilox towards the plate cylinder until it grips the liner paper. You have to be sure it grips
in both sides. Do not tighten the anilox too much against the plate cylinder.
With a slightly pull in each of the liner papers the should be some tension.
