Friday, June 14, 2019

Here Is Information On 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.

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.

Even though the various types of conveying systems are designed differently, some of the basic components tend to remain the same. For instance, the various kinds of systems have a frame that provides support to the belt, wheels, or rollers upon which materials are moved. Also, these systems are usually powered through various means. Some common mechanisms of powering them include use of a motor, gravity, or through manual means.

The kind of conveyor system to be employed will be determined by the working environment and the type of material to be transported. There are several factors that one should put into consideration prior to purchasing the system. Also, one should put more attention to the specifications of a system that they intend to buy.

The first specification to consider should be the load capacity per unit length of the machine. This specification specifies the amount of load that should be transported on the system per unit length. Exceeding this capacity will usually damage the system. This value is usually indicated on the device or in the manufacturer manual that comes with it. Closely related to the load capacity per unit length is the maximum load capacity.

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.

Screw conveying systems normally handle bulk and powdered materials. As such, they have a specified throughput. Normally, the throughput is calculated as volume per unit time. For example, the throughput may be specified in terms of cubic feet per minute. Apart from screw conveying systems, there are other kinds of conveying systems which have a specified throughput value. Bucket, walking beam, vacuum, and vibrating conveying systems are examples.

It is also important to check the frame configuration of a conveyor before purchasing it. The frames are normally straight, curved or at terms they can be in the shape of the letter Z. Similarly, the location of the drive mechanism is important to consider. This is usually at the center or at the rear end of the system in most cases. It can also be located at the end where materials get fed onto the conveyor although this configuration is very rare.




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