Double Shaft Shredder
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Rich Experience
Our Company Was Founded In 2012, As New Technology Company, We Focus On The Machine Quality And Standard Configuration Of Waste Metal Recycling At This Stage, We Have 8 Technicians,25 Domestic And International Sales, a Total Of 125 Workers, And Floor Space Of 65000m2.
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Our Products Have Been Exported To South Africa, USA, Denmark,Portugal. Spain, Brazil, Japan, South Korea, Russia, Indonesia, Thailand, India, Vietnam, And Other Countries And Regions.
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Since Our Factory Was Founded, We Started To Make Scrap Metal Recycling Equipment. And Rapidly Developed Into China's Top Three Waste Metal Recycling Processing Equipment Bases. We Are Dedicated To The Research, Development, And Manufacturing Of Recycling Equipment As Well As Integrated Solutions Supplier.
What is Double Shaft Shredder
Double Shaft Shredders come equipped with two shafts that rotate in opposite directions. These machines are known for their versatility and are commonly used in various industries, some of which include recycling, electronics, glass, wood, metal, plastic, and larger items like tires.
In the world of industrial waste management, the Double Shaft Shredder stands out as a crucial tool. Its design and efficiency make it indispensable for handling large volumes of waste, reducing both environmental impact and operational costs. Here's why embracing this technology is vital for modern industries.
Robust Design and Operational Versatility
From rigid plastics and hefty metal remnants to resilient textiles and defunct electronics, the double-shaft shredder handles them all with unmatched efficiency. Its capability to adapt to diverse waste streams without the prerequisite of pre-sorting amplifies its utility, streamlining operations and boosting throughput—a fundamental advantage for facilities aiming to enhance their waste processing capabilities.
Enhanced Processing Efficiency
Efficiency in shredding is not just about speed; it's about the consistency and quality of the output. Double-shaft shredders excel in this domain by delivering uniform particle sizes, crucial for the streamlined operation of subsequent recycling processes. Uniform shredding reduces the complexity and cost associated with sorting and segregating waste, ensuring that valuable materials are readily recyclable. This consistency is vital in preventing blockages and mechanical failures in downstream processing equipment, thus maintaining the high throughput necessary for large-scale recycling operations.
Cost-Effective Waste Management
Incorporating a double-shaft shredder into an industrial waste management strategy translates into direct cost savings. By significantly reducing the volume of waste, these shredders decrease the need for frequent and costly hauls to disposal sites. Compact, uniform waste is not only easier and cheaper to transport but also occupies less space in landfills, which often charge fees based on volume.
Environmental Impact Reduction
The integration of double-shaft shredders significantly enhances the environmental impact of industrial waste management . By systematically breaking down recyclable materials into uniform particles, these shredders boost the efficacy of recycling processes. This capability is crucial for increasing the volume of waste diverted from landfills, thereby reducing the industrial sector's ecological footprint.
Compliance with Regulatory Standards
Adopting double-shaft shredder technology assists industries in complying with stringent regulations related to waste management. This adherence not only prevents potential fines but also enhances a company's reputation as a responsible entity. By implementing state-of-the-art shredder machine manufacturer technologies, businesses can maintain compliance, adapt to new regulations, and demonstrate environmental responsibility.
What Is the Difference Between Single Shaft Shredder and Double Shaft Shredder?
Both Single shaft shredder and double shaft shredder are commonly used in waste recycling field, but they are different in a few aspects.
Machine structure is different
Single Shaft Shredder is equipped with only one shaft with rotary blades, a hydraulic-driven pusher plate/arm, and a screen underneath the rotating shaft.
Double Shaft Shredder is built with two shafts of blades, which we also call dual shearing shafts. There is no hydraulic-driven pusher or screen on this machine.
The application of material is different
Single Shaft Shredder is mainly applied to shred thick and solid materials such as molding purgings/runners/sprues, plastic pallets, rubber rolls, wood lumbers, tree branches, bones, wood pallets, etc.
Double Shaft Shredder normally is used to shred small to large sized relatively light or hollow products, such car/truck tires, film, plastic/steel drums, scrap TV/computer, scrap fax/printing machines, etc.
Operation process is different
With a single-shaft shredder, once the material is fed into the hopper, the hydraulic-driven plate/arm pushes the material towards the cutting shaft to ensure the material is efficiently shredded by the rotary cutting blades. The material will be repeatedly shredded until the shreds are small enough to pass throughput the screen mesh as output.
With a double-shaft shredder, once the material is fed into the machine, the two shafts of cutting blades hook the material and then bite it until it's fully swallowed into the discharging chamber. The shreds are directly discharged after cutting without passing through any screen, so the size of shreds is quite random.
What Is Double Shaft Shredder Used For?
Some of the main uses for double shaft shredder include
Recycling: Twin shaft shredders play a crucial role in recycling processes, as they help break down various materials like plastic, paper, cardboard, and metal into smaller pieces that can be easily processed and turned into new products.
Waste Management: Twin shaft shredders are essential for waste management facilities, as they assist in reducing the volume of waste by shredding it into smaller, more manageable pieces. This facilitates more efficient waste transportation, storage, and disposal, ultimately minimizing the burden on landfills.
Manufacturing: Many manufacturing industries employ twin shaft shredders to process production waste or scrap materials, such as wood, plastic, rubber, textiles, and metal.
E-waste Disposal: Twin shaft shredders are also used in the disposal of electronic waste, as they can effectively shred hard drives, circuit boards, and other electronic components into small pieces.
Biomass Processing: In the agriculture and forestry sectors, twin shaft shredders are used to process organic waste, such as wood, branches, leaves, and crop residues, into smaller pieces that can be used as biomass fuel or for further processing, such as composting.
Tire Recycling: Twin shaft shredders are commonly employed in tire recycling facilities to shred used tires into smaller pieces, making it easier to separate the rubber from other materials like steel and fabric.

The main working part of the double-shaft shredder is a pair of relatively rotating rollers, the rollers are equipped with spirally arranged gears. After the material enters the machine, it is split, broken and smashed into the machine after being bitten and pulled by gear teeth made of staggered rotating high-hardness and wear-resistant materials, and then forced out of the machine. The knife roller is driven by a motor through a reducer with a large torque.
When encountering materials with higher hardness, it will automatically reverse under the action of the PLC automatic control system, and rotate forward and backward many times until the material is broken and discharged.
What Are the Main Parts of Double Shaft Shredder?
A double-shaft shredder consists of
Shredding Chamber Which Includes Cutting Blades.
Power System; Coupling, Gear Box & Motors.
Electrical Control System.
Feeding System.
Shredded Piece Discharge System.
How to Avoid Jamming of Double Shaft Shredder?
When using the dual-shaft shredder to crush materials, do not exceed the hardness range of the crushed materials by the dual-shaft shredder. Once this range is exceeded, the light will cause the double-shaft shredder to jam, and the heavy will cause the double-shaft shredder to wear, reduce the service life, and affect the production efficiency.
During the use process, pay attention that the material should not exceed the maximum range of the crushed material of the double-shaft shredder. If the material is too large, it can be cut first.
The double-shaft shredder should be operated strictly according to the rules. For some uncertain and difficult materials, the shredder should be tested in advance to avoid the occurrence of material jamming in the shredder to the greatest extent.
How to Properly Maintaince the Double Shaft Shredder?
For the double shaft shredder, it should be operated by a special person, and other personnel cannot operate it at will. This is to avoid equipment damage or some safety accidents caused by improper operation. To operate according to the operating instructions of the double shaft shredder, do not blindly overload. When it is found that the double shaft shredder has abnormal noise, it should be stopped immediately for inspection, and it should not be allowed to work in an abnormal state.
The blade of the dual shaft shredder can directly affect our shredding efficiency and shredding effect. The blade of the twin shaft shredder is an important part of the machine. Shredder blades have sharp and sensitive edges, so it is necessary to take care to protect the alloy head from damage during blade movement, installation and disassembly. Therefore, we should pay special attention to the regular cleaning of the blades when we carry out daily maintenance and maintenance of the double shaft shredder. The nut must be moderately tight. If the saw blade is too loose, it will slip when rotating and cutting. If the saw blade is too tight, there will be internal damage or deformation, which will affect the cutting to ensure the normal operation of the blade.
Generally speaking, when we store the double shaft shredder, we should also pay attention to moisture-proof, do not place the double haft shredder in a place that is too humid, so as not to affect the electrical control system of the machine.
How Does Double Shaft Shredder Work Step by Step?
Feeding the Material
Materials are fed into the shredder via a hopper. This can be done manually or through a conveyor belt. The hopper directs the materials to the shredding chamber.
Shredding Process
Inside the shredding chamber, the two shafts rotate slowly but powerfully. As the materials enter the chamber, they are grabbed by the rotating cutters on the shafts.
Cutting and Tearing
The interlocking cutters slice through the material, breaking it down into smaller pieces. The high torque of the shafts ensures that even tough materials are shredded efficiently.
Output of Shredded Material
The shredded pieces are discharged through a screen. The size of the output can be adjusted by changing the screen size, ensuring the materials are shredded to the desired consistency.
Henan Recycling Technology Co., Ltd Is The Leading Company Based In China For Manufacturing Ferrous And Non-Ferrous Metal Recycling Equipment.
Our Company Was Founded In 2012,As New Technology Company, We Focus On The Machine Quality And Standard Configuration Of Waste Metal Recycling At This Stage, We Have 8 Technicians,25 Domestic And International Sales, a Total Of 125 Workers, And Floor Space Of 65000m2. So Far, We Have Sold Our Machine To 31 Countries And Welcome All Friends Visiting Us Any Time.

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Ultimate FAQ Guide to Double Shaft Shredder
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