Wednesday, June 12, 2019

Useful Information Regarding Screw Conveyors

By Diane Perry


Conveyor systems refer to mechanical devices that are used to transport materials from one point to another. They are heavily used in production plants and other settings where materials are handled in bulk. These systems are used a lot because they require minimal effort to move materials. This helps to save time and effort that would be involved in the process of moving materials around. Here are facts regarding Screw Conveyors.

For many years, there are numerous types of conveying systems which have been made and are being used. The various types of conveying systems in existence have different modes of operation. This implies that a conveyor will be deemed suitable for a particular application depending on the kind of work to be done. Also, the working mechanism of the system will determine 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.

Since screw conveying systems handle powdered materials and other bulk materials, it usually has a specified throughput. The throughput is usually calculated in volume per unit time. For instance, the throughput can be specified in form of cubic feet per minute. Besides screw conveying systems, there are also other types of conveying systems that have the throughput value specified. These include walking beam, vibrating, vacuum, and bucket conveying systems.

Also, when purchasing a conveyor one should be keen about the frame configuration. Frames may be designed like letter Z, straight, or curved. The location of the drive mechanism is another important factor to consider. The drive mechanism is at times located at the center, or it can alternatively be placed at the discharge end. However, there are rare instances where the propulsion mechanism can be placed at end where materials are fed into the system.




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