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Consisting of four major parts:
1- Screening Deck is of rigid box construction
carrying surfaces on removable steel frames.
2- Balance Deck consists of heavy steel bars
on each side of the screening deck. The feed box is mounted on these heavy
bars and becomes part of the balance deck. A built-in vibrating feed box
with distributor spreads material over the width of the screen at the
head end, utilizing every inch of the screen surface.
3- Steel Channel Base is attached to the
screening and balance deck by support springs. These springs are made
of thin alloy strips clamped together and set at an angle of 60 degrees
to horizontal.
4- Shaft Assembly is bolted
solidly to the balance deck and flexibility connected to the screening
deck by four drive springs, which translates the rotary eccentric action
to the shaft to a positive reciprocating action of the screening deck,
without use of reciprocating bearings. Very little vibration is transmitted
to the base.
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