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The Difference between A Shredder and A Crusher

2023-04-21-wanrees

The article is mianly about the difference between a shredder and a crusher. Some people may think that they should be the same machine with different shapes and names. In fact, there are still many difference between a shredder and a crusher.

What Is A Shredder?

The shredder is an environmentally friendly device that can shred waste plastic, waste metal, wood pallets, waste rubber and tire, waste electrical and electronic equipment and other waste recyclable resource for recycling. Wanrooe has produced several common models such as single shaft shredder, double single shaft shredder, swing type verticle drum shredder, large diameter horizontal shredder and double shaft shredder. It is a professional machine with low-speed and high-torque knife roller for decomposing large and solid objects into small irregular pieces. End blocks are usually 50-200mm in size.

In terms of working principle, the shredder is different from crusher. The shredder uses roller and cutter to tear material into small pieces. It is generally used to process unprocessed raw material or residue. The shredder can be widely used in plastic recycling industry and e-waste recycling. Additionally, the shredder can be used for the shredding of waste large-diameter PE plastic pipes, bundled films and piles of plastic sheets.

The Difference between A Shredder and A Crusher-WANREES

single shaft shredder

The Difference between A Shredder and A Crusher-WANREES

swing type vertical drum shredder

The Difference between A Shredder and A Crusher-WANREES

heavy duty vertical drum shredder

The Difference between A Shredder and A Crusher-WANREES

large diameter horizontal shredder

What Is A Crusher?

The crusher in plastic recycling is suitable for many kinds of material, such as plastic film, pipe, sheet, PET bottles, hollow barrel, electronic equipment and so on. Its working principle is to crush material into smaller pieces by mutual shearing of hard-edged rotating movable knife and the fixed knife. And the end granules size is 8-12mm. In order to satisfy customers’ different needs, Wanrooe has successfully designed and produced many modles including heavy-duty crusher, strong crusher, sound-proof crusher, pipe crusher and hammer crusher.

Generally, material with large size or hard shell should be pre-treated by shredder and then sent into crusher for secondary crushing.

The Difference between A Shredder and A Crusher-WANREES

strong crusher

The Difference between A Shredder and A Crusher-WANREES

heavy duty crusher

The Difference between A Shredder and A Crusher-WANREES

pipe crusher

The Difference between A Shredder and A Crusher-WANREES

hammer crusher

The Difference between A Shredder and A Crusher

Scope of Application

The shredder equipment can crush almost all material, including hard metal material, soft plastic products and loose wood products,etc. These material are with hard shell and large size. Plastic crusher can be applied in various waste film, sheet, PET bottles so as to enhance the use ratio of plastic. Most material processed by crusher are with lower hardness and small size. The choice for shredder and crusher should depend on the size of material and different capacity requirement.

Working Principle

The operating principle of shredder and crusher are different. Shredder equipment relys on knife rollers to tear material at low speed and high torque. While the crusher uses a high-inertia impact matching and a sharp-edged rotating movable knife with a fixed knife fixed on both sides of the rotating shaft to cut the material into pieces by mutual shearing.

End Product Size and Shape

The shredder is to tear material into 50-200mm in size or even larger irregular blocks. The crusher can further crush these blocks into smaller granules below 20mm, so as to prepare for further process such as pelleting or grinding. The end product from crusher is spherical in shape.

The above is relevant introduction to shredder and crusher, if you have any interest or requirement, please feel free to contact us for more information.

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