Tuesday, January 8, 2008

Vertical Conveyors


Vertical Conveyors

It is used for low-frequency intermittent vertical transfers (vertical chain conveyor can be used for continuous high-frequency vertical transfers. Carrier used to raise or lower a load to different levels of a facility (e.g., different floors and/or mezzanines).
It can also be manually or automatically loaded and/or controlled and can interface with horizontal conveyors

1) Vertical Lift Conveyor




Advantages
It can transport goods up or down; throughputs up to 30cpm (cycles per minute)
Minimal footprint and very quiet.

Disadvantages
Complex in-feed synchronization
Needs accumulation
More expensive than reciprocating vertical conveyors.







2) Reciprocating Vertical Conveyor





It utilizes gravity-actuated carrier to lowering loads, where the load overcomes the magnitude of a counterweight. It can only be used to lower a load.
An alternative to a chute conveyor for vertical "drops" when load is fragile and/or space is limited. It can be manually or automatically loaded and/or controlled and can interface with horizontal conveyors

Advantages
up or down or dual cycle
multiple cartons per lift
very quiet and lower cost compared to vertical conveyors

Disadvantages
Limited throughputs depending on height of conveying distance; and
It must accumulate prior to in-feed.

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