Conveyor tables are either powered or non-powered. Non-powered tables have rollers or bearings for objects to be pushed along, while powered tables have motors. Tables can be portable or stationary and made of steel or aluminum. Some food processing requires powered tables, while some tables can be extended and curved for easier loading and unloading.
Conveyor tables can be divided into two general categories: powered tables and non-powered tables, sometimes known as gravity conveyors. A powered conveyor may have an electric motor or even a petrol engine to spin a conveyor belt, while unpowered conveyor tables have rollers or bearings on which objects can be pushed along. Most tables are portable and can be easily folded away for storage or transport, although some are designed to be used in one place. Powered transporters are likely to be heavier and bulkier and are therefore better suited for a permanent location rather than regular transport.
Non-motorized conveyor tables will feature a series of metal rollers on which items can be pushed, or a ball bearing pattern that allows movement in more than one direction. Conveyor tables with metal rollers, or cylinders, are usually directional, meaning items can be pushed in one direction or another, but not in many directions. Tables that have ball bearings are known as ball transfer tables and objects can be pushed in any direction on them. The legs of these tables are often adjustable in height and the structure can be in steel or aluminium. Aluminum is a much lighter metal, making the table easier to transport and store, but steel tends to be more durable and stronger, meaning it will have a higher weight capacity than aluminum.
Some food processing applications will require powered conveyor tables. Restaurants often use such tables to heat food or cook items quickly; the food may be placed on a wire mesh conveyor belt that runs through an oven, thus heating the food by the time it reaches the far end of the conveyor. This system can be mounted on its own frame or table, or it can be mounted on a separate table that is strong enough to support the bulk of the machine.
Some conveyor tables can be extended like an accordion so that a user can adjust the overall length of the conveyor system. These tables can also often be pulled in one direction or another, creating a curve in the conveyor track. This is useful in a variety of settings, but most often such systems are used in shipping facilities or warehouses to make the process of loading or unloading delivery trucks much easier. These conveyors are usually unpowered, but can be powered by powered conveyors.
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