Thursday, August 15, 2019

Useful And Essential Facts About Screw Conveyors

By Diane Perry


Materials are usually moved from one location to another using mechanical devices known as conveyor systems. Conveyors are mainly used in production industries and other firms that handle bulk products. Less effort used in moving materials using conveyors makes them to be very popular. Using these systems helps one to save time and effort. This is what Screw Conveyors are all about.

Over the years, several different types of conveyor systems have been designed and are in use. The mode of working in the various types of conveying systems is different. As such, the suitability of a conveyor system in a given application usually depends on the kind of work it is meant to do. How the system works will determine in huge part how it is applied.

Some basic parts of conveying systems tend to remain the same even though conveying systems differ in design. One of the features that is common among conveyor systems is the frame. The frame supports the belt, wheels, and rollers that move the materials. Another common feature is that different means are used to power the systems. The powering can either be through gravity, a motor, or manual means.

The kind of material that is being transported and the work environment may also determine the kind of conveyor system is used. When one is trying to buy a system, there are several factors that they need to consider. The specifications of the system are some of the most important factors that one should give attention to.

Maximum load per unit length of a machine is the first specification one should consider. This specification normally specifies the amount of material which can be transported on the conveyor per unit length. In case the weight is exceeded, the system can be damaged. This value is normally written in the manual provided by the manufacturer or indicated on the device itself. The load capacity is closely associated with the maximum load per unit length.

Other than the load to be moved, one also needs to consider the belt speed or the rated speed. The speed is measured in different units depending on the type of the system. The speed in screw and belt conveyors is measured in terms of feet per minute. Speed usually describes how far the load is moved in a given unit time.

Amount of materials to be moved by screw conveying systems is usually specified in the manual too. The systems handle materials that are in powder form and other bulk loads. The amount is specified in terms of volume per unit time such as cubic feet per minute. The throughput value is also specified in other types of conveying systems. Bucket, vacuum, beam and vibrating conveying systems are some examples.

The frame configuration is another useful specification to know about when buying a conveyor. Frames can be designed to be curved, straight, or shaped like the letter Z. Where the drive mechanism is located on the system is also an important consideration. The drive mechanism may be located at the discharge end of the system or in the center. In rare cases, it may be found at the end where materials are fed into the system.




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