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What's the difference between dual shaft shredder and single shaft shredder?

Views: 40     Author: Site Editor     Publish Time: 2022-12-09      Origin: Site

What's the difference between dual shaft shredder and single shaft shredder? 

Both single shaft shredder and double shaft shredder are common equipment used in the waste management industry, but they are different in structure, operation process, and ability in shredding different materials. In this post, we'll talk about their difference through these 3 aspects. If you are interested in these topics, read the content below.

1. Different Structure

Single Shaft Shredder

  • one shaft with rotary blades

  • a hydraulic-driven pusher plate/arm

  • a screen underneath the rotating shaft

Two Shaft Shredder Machine

  • a feed hopper 

  • a cutting chamber

  • cutting knives

  • two reducers

  • a motor


Some manufacturers like OKMI provide custom service for shredders, if you have a custom needs, just contact OKMI.

2. Different operation process:

Dual shaft shredder operation process:

The two shafts of the dual shaft shredder has hook-shape knives. When the knives rotats with the shaft, materials that fed into the hopper would quickly get hooked and then to be sheared by the sharp knives. The shredded materials are directly discharged.

Single shaft shredder operation process:

The material  fed into the hopper is pushed towards the shaft by a hydaulic-driven arm/plate. With the pushing force, the rotating cutting knives can efficiently shred the material. Under the shaft is a screen. If the material is too large to pass through the screen mesh, it will be shred repeatedly in the hopper.

3. Suits for dealing with different materials

Double Shaft Shredder is alwasy utilized to shred relatively light or hollow object, such as paper, film, plastic/steel drums, car/truck tires, TV/computer hull and so on.

Single Shaft Shredder is usually used to shred thick and solid materials such as plastic and  wood pallets, wood lumbers, rubber rolls and blocks, molding purgings/runners/sprues, tree branches, bones, and so on.



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