How Are Flip-Flow Screens Used

Flip Flop Screen

What Are Flip-Flow Screens?

Flip-flow screens, also known as flip flop or elastic mesh screens, are machines 

designed to efficiently screen sticky, wet, and other difficult materials. Flip-flow 

screens are used in a number of industries to separate everything from aggregate 

and minerals to inhomogeneous recyclables, construction waste, and biomass.

Because of their unique design they provide operators a number of benefits. 

We’ll highlight additional details about flip flop screen design, usage, 

and benefits below.

Flip-Flow Screen Design & Working Principle

Vibrating flip-flow screens are increasingly employed in materials screening and 

preparation applications. This is due in large part to their high efficiency. In principle, 

a flip-flow screen is a subclass of other high frequency vibratory screens.

Flip-flow screens work through the combination of a double vibration principle and 

a flexible polyurethane-type screen media. The dual-vibratory forces work to apply 

linear acceleration to the materials traveling across the screen. Vibrations are 

simultaneously applied to the elastic screen, which rapidly stretches and relaxes. 

The stretching and relaxing of the screen transfers energy to the material, 

causing it to “jump” or “pop”. This secondary vibration, in turn, 

enhances the separation of materials.

The equipment has two vibrating masses, one of which is an elastic screen and the 

other is a counterweight. The material is thrown through the relaxation and tension 

movement of the elastic screen on the inclined screen box. When working, the 

screens are pulled alternately. Tight and slack, make the material produce forward 

bounce movement, and fly at different speeds, produce collision separation, pass through 

the sieve holes, and achieve the purpose of sorting.

How Are Flip-Flow Screens Used?

You can find this screening equipment used across a large number of industries. 

They’re most often used to screen difficult materials used in the manufacturing process

 for everything from sand, concrete, and compost. 

However, flip flop screens are also used in municipal solid waste processing.

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