Suited for fine or coarse classification of any type of material and for a wide range of productions. The vibrating screens consist of a screen deck casing supported by springs, equipped with a shaft rotating on main bearing supports whose axis passes through the barycentre of the casing. V-VV screens are also defined “free vibrating screens”, as the shaft is driven by a patented system, consisting of “vibration generators” fitted at the top of the shaft itself. If necessary, a washing system with spray sprinklers may be installed.
They are equipped with an internal mechanism through which a mass, urged by a centrifugal force generated by the rotation, moves freely from the center towards the periphery.
The displacement of this mass creates a “variable eccentric” which, during the start-up (acceleration), put the casing in motion and, during the stop (braking), slows down the movement without generating unwanted vibrations.
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