Oscillating Conveyor System | Vibratory Oscillating System | Vibrating Conveyor Applications

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Oscillating Conveyor System

In this post, we focus on the vibrating/oscillating conveyor systems and their categories, designs and applications. Manufacturers can transfer material from one area to another and fulfil the task in a number of different ways. Conveyor Transportation technology has been designed for moving various types of goods, whether they solid, semisolid or sometimes liquid, and a number of conveyor systems are available to suit these requirements. This article is designed to help people concerned with conveyors determine whether the vibrating / oscillating conveyor meets their requirements and help customers learn their alternatives.

Selection of vibrating/oscillating conveyor:

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The oscillating motion of the trough is achieved via specially designed inclined arms and an eccentric shaft driven by a motor through V-belts. The eccentric shaft is mounted on anti friction bearings and has V-pulleys at both ends with weights on them to counteract the unbalancing force. The rotation of the eccentric shaft provides a forward and backward motion to a connecting arm attached to the trough through a rubberized pin.

The trough motion is predominantly horizontal with some vertical component, which causes it to oscillate with a pattern conductive to conveying material. A retaining spring assembly at the back of the trough absorbs shock load. All components including drive motor are mounted on a rigidly constructed base frame.

Types of Vibrating / Oscillating Conveyor system

In vibrating conveyors there are three major drive mechanisms: cranks/springs, weights revolving, and electromagnets. Crank or spring-type conveyors are turned by a motor has a four bar mechanism, which transmit an elastic force causing sinusoidal movement. The very same objective are achieved by revolving weights and electromagnets, but by rotating eccentric weights and rotating magnetic fields respectively. The benefits of any one drive mechanism over another are quite varied since they are all shown to be successful and depend greatly on the application conditions and the working environment.

Difference between Vibrating Conveyor vs Oscillating Conveyor

Oscillating conveyors are often referred to as a particular form of vibrating conveyor when they work with a relatively low frequency and a greater range of motion than would be normally used with a vibration conveyor. This means that oscillating conveyor systems are utilised for the transmission of bulk commodities such as in the wood or waste management/recycling industries. These conveyors, for instance, can be used to carry wooden scraps upstream and transfer them to an outlet.

In contrast to vibrating conveyors operating at lower amplitudes and higher frequencies, the flow or transportation of the substance is softer with a vibrating conveyor than with a oscillating conveyor. Oscillating conveyors are often known as jump conveyors or grass hopper conveyors in hard rock mining applications.

Advantages of Oscillating Conveyor System:

· Hot and abrasive materials can be handled

· Cooling, drying and dewatering operation can be done during transport

· Scalping, screening or picking can be done

· Units can be covered and made dust tight

· Simple construction and low head room

· Can be made leak proof

Disadvantages of Oscillating Conveyor System:

· Relatively short length of conveying ( about 50 m Maximum)

· Limited capacity, about 350 tons per hour for length of conveying of 30 m.

· Some degradation of material takes place.

Applications of Oscillating Conveyor System:

  • Vibratory conveyors find wide spread application in the transportation of dusty, hot, toxic, and chemically aggressive bulk material through a closed trough or pipe in chemical, metallurgical, mining industries and manufacturing of building materials.
  • Vibratory conveyors are also employed for transportation of steel chips in machine shop, hot knocked out sand, wastes and small castings in foundry shop. Vibratory feeders are also in use for delivery of small machine parts like screws, rivets etc.
  • Sticky materials like wet clay or sand are unsuitable for vibratory conveyors. In handling finely pulverized materials, like cement etc., the performance of such conveyors are reported to be poor.
  • Vibratory conveyors are hardly employed for handling common bulk loads, such as sand, gravel, coal etc as the same can be done more efficiency by belt conveyors.

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