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Double Shaft Shredders

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Get Superior Quality Double Shaft Shredders at MASK

A double-shaft shredder is a machine with a low speed and high torque shear design that is ideal for crushing bulk materials containing metal or bundled large-size materials. In addition to the advantages of low speed, high torque, big shearing force, high stability, and long service life, the double-shaft shearing shredder has a smaller feed size. Large size, more passability, higher crushing efficiency, and less dust may effectively solve the problems of large space occupied, difficult transportation, low manual dismantling efficiency, and a dirty working environment in the process of bulky waste disposal. After being sheared by the machine, the material pile density can be increased, lowering transportation costs.
Furthermore, the bulk density of materials will be decreased, lessening shipping expenses. The speed reducer is attached to the rotor according to DIN 5480. The machine boasts strong transmission torque, a stable connection, a low speed, minimal noise, and a relatively low maintenance cost, among other features. The electrical component adopts Siemens PLC which has automatic overload reversal functionality. The entire machine system meets the European Union's CE standard.

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Features of Double Shaft Shredders

The knife is made of imported alloy steel with excellent wear resistance and moderate toughness, which is processed using high-precision CNC machines, greatly improving mechanical qualities and extending service life. The knives may be welded and mended multiple times, saving money and extending their service life.

The planetary reducer has a high transmission efficiency, and a single reducer may achieve up to 96% efficiency; the transmission ratio is finely divided and has a wide range. Combined versions can achieve a high transmission ratio with a low input speed. The machine can be installed in a variety of ways, including horizontal or flange installation in any position.

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Technical Features

1. Low speed, high torque, low noise, and dust.
2. Knives are made from imported materials that are durable.
3.The bearing is properly sealed and has its lubrication system.
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Applications of Double Shaft Shredders

A shredder machine shreds raw materials or trimmings that have not undergone any processing to make them smaller in size. For example, the machine can shred plastic or rubber trimmings and then melt and granulate them to manufacture plastic bottles, tires, and garbage cans, among other things.

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PET bottle, HDPE container, plastic bucket, plastic pipe, packing barrel, bumpers, dashboards, TV/computer shell, refrigerator shell, plastic pallet

 

Rubber sheet, rubber pad, car tires, heavy truck tire

Cardboard, office paper,  books, newspaper, magazine, kraft paper, paper core, paper packaging material, cardboard tube.

lumber, wooden pallets, furniture, tree branches, wooden frame

Circuit board, hard disk, TV/computer cases

Cable, electric elements

Steel drum, steel sheet, steel cans, aluminum cans, aluminum rods

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Frequently Asked Questions

What details should I share before choosing a double shaft shredder for my waste stream?
Your top three to five materials, roughly how much you process daily, and whether metal or other contamination typically shows up in the mix. Do also mention your available floor space, since machine size varies a fair bit across the double shaft shredder range.
Low speed and high torque, that’s the core of it. Two counter-rotating shafts tear through bulky, mixed, or metal-containing material that would otherwise jam a screen-based single shaft machine. Less passability resistance and higher crushing efficiency come from this same shearing design.
Not particularly well, honestly, and it’s worth knowing this upfront. Very wet, sticky, or stringy material tends to wrap around the shaft instead of shearing cleanly, so do mention if your waste stream regularly includes this kind of material before finalizing a configuration.
The Siemens PLC handles this automatically, triggering an overload reversal function rather than letting the motor strain against a blockage. This protects the drive components considerably, and it’s a genuine safeguard rather than just a marketing point on the spec sheet.
It depends on your model and throughput requirement, so do audit your available space before shopping; that determines the maximum size you can realistically fit. A larger machine handling higher volume naturally needs more room than a smaller unit processing lighter daily loads.
Cost, mainly. Imported alloy steel knives processed on high-precision CNC machines can be welded and mended multiple times rather than thrown out at the first sign of wear, which saves a fair amount over the machine’s working life compared to constant full replacement.
Quite a broad range: PET bottles, HDPE containers, plastic buckets and pallets, rubber sheets and tyres, cardboard, office paper, wood pallets and furniture, circuit boards, cables, steel drums, cans, and aluminium rods, among others. Metal and mixed streams that would jam finer machines generally pass through without issue.
Once material’s sheared down, the pile density goes up considerably, so the same truck load carries a lot more useful weight than it would with loose, bulky waste taking up mostly empty space. This is really where a good chunk of the cost savings comes from.
Transmission efficiency, largely, reaching up to 96% on a single reducer. It also allows a finely divided transmission ratio and flexible installation, horizontal or flange-mounted, in more or less any orientation your site setup calls for.
Treat it as a starting point rather than a guarantee, honestly. Actual throughput shifts with material density, feed size, and contamination level, so a trial run with your own representative waste tells you far more than a generic brochure number ever could.
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