Circular Vibrating Screen vs. Linear Vibrating Screen

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Once you know the fundamentals of mechanical screening, the next step is choosing a vibrating screen based on the industry you’re in and what materials you need to feed through the equipment. Between circular and linear vibrating screens, you might find out one is completely ideal for your unique application while the other wouldn’t help. Since the machinery requires an investment and introduces a new quality level to your product line, you should strive to choose the right one from the start. Read more to learn key differences between the two types.

Circular Vibrating Screens

While the working principles of the two types of vibrating screens are similar, movement is the primary difference. Typically, circular vibrating screens are more popular, and their movement cycle and operation is more complex. Several components make this equipment function properly:

  • Screen body
  • Screen mesh or sieve
  • Vibration source
  • Base frame
  • Triangle belt
  • Electric motor
  • Driver eccentric
  • More (model dependent)

The driver eccentric moves because of an electric motor. It revolves rapidly through a triangle belt with a centrifugal force that stimulates a sieve to move circularly. The materials on the sieve receive the impulse so that the sieve provides a throwing movement on screening surfaces. The material becomes reduced in size as it passes through the screen mesh. The steep angle of throw prevents mesh blinding and permits maximum efficiency.

Since circular screeners comes in several versions, it can be used to screen wet, dry, coarse or fine particles, which makes it more suitable to a wider range of applications. Several industries that rely on screening from this machinery are mineral beneficiation plants, mining, food and fertilizer manufacturers, coal preparation plants, steel mills and more.

Linear Vibrating Screens

The main difference with a linear vibrating screen is that its motion is linear. It uses a vibrating motor to throw materials in an upward and forward linear motion. These models typically operate with twin-vibrating motors that function in a synchronized fashion and move the centrifugal force parallel to the motor access. Centrifugal and gravity force help throw the material in the direction it moves, which effectively reduces its size and grades it.

Linear vibrating screens are available in single or double deck types with sizes up to four meters wide and nine meters long. They’re known for being rugged, stable and simple to maintain. Typical applications include primary and secondary classification, sizing, de-sliming, washing, dewatering and hot-material screening, among others.

VibraScreener™ for All Your Needs

Whether you decide on linear or circular movement while choosing a vibrating screen, we’ve got you covered with quality products at VibraScreener™. Our products have been trusted and re-ordered by leading companies around the globe time and time again. Find out why — request a free quote now. If you have questions about how the vibratory screener or sieve process works with our equipment, fill out our talk to an expert form and a representative will assist you.