Screw Conveyor Systems
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Screw Conveyor Systems
Screw conveyor systems contain a large screw located inside of tubular housing. When the screw is turned by a motor, the material rotates along the screw thread and is transported down the length of the screw.
Screw conveyor systems can be flexible or rigid in design. A flexible screw conveyor differs from a rigid screw conveyor in that it is capable of bending to some degree. This feature means that the conveyor system takes up less space than rigid conveyor systems.
Screw conveyor systems are designed to transport small grained materials, such as grain and plastic pellets used in injection molding. Depending on the application, screw conveyors may be fitted with a variable rate feeder to control the amount of product distributed at each time. Unlike traditional belt conveyors, screw conveyors are capable of transporting liquid products. However, they are not as efficient as other fluid moving methods, as some water usually leaks out of the screw and runs back down the tube.
Screw conveyor systems are widely used in agricultural applications. In these cases, the machine may be referred to as an auger conveyor. Auger conveyors, often equipped with a chute attached to one end of the conveyor to direct the path of the grain, are extremely useful in filling silos with grain.
