Zibo United Tech Machinery Co., Ltd.: Zibo, Shandong, China; Main products: shredder, crusher, granulator, cutter, grinder, chipper

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Home > Products > Four Shaft Shredder > Durable heavy-duty and Precision-controlled fine-crushing four shaft shredder

Durable heavy-duty and Precision-controlled fine-crushing four shaft shredder

FOB Price

Negotiable / Set

1 Set(Min.Order)

Supply Ability 10 Set / Sets per Month
Port Qingdao
Payment TermsT/T L/C PayPal
Delivery Detail30 days

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Product Details

Type	Hard Plastic Crusher	Certification	CE, ISO9001:2008
Warranty	12months	Structure	Top Feed
Raw Material	PET	After-sales Service	technical service all lifespan
Automation	Automatic	Computerized	Non-Computerized
Knife Classification	Piece Knife Crusher	Knife Roll	Solid Knife Roller
Transport Package	plywood case or customized	Specification	customized
Trademark	utmach	Origin	zibo, china

Product Description

1. Definition and Overview
A four-shaft shredder, also known as a slow-speed, high-torque shredder, is an advanced mechanical device designed for shredding a wide variety of materials into smaller, more manageable pieces. As the name implies, it is equipped with four interconnected shafts, each fitted with a series of interlocking blades. This unique design allows for highly efficient shredding, making it suitable for applications ranging from industrial waste management to recycling and pre-processing of raw materials.
2. Working Principle

The operation of a four-shaft shredder is based on the coordinated rotation of its four shafts. The shafts are paired into two sets, with each set rotating in opposite directions. The intermeshing blades on the shafts create a powerful shearing and tearing force when materials are fed into the shredder. As the materials enter the shredding chamber, they are caught between the rotating blades, which gradually break them down through a combination of cutting, pulling, and crushing actions. The slow rotation speed, combined with high torque, ensures that even tough and fibrous materials can be effectively shredded without overheating or excessive wear on the blades.

3. Structure and Components

3.1 Shafts

The four shafts are the core components of the shredder. They are typically made from high-strength alloy steel to withstand the heavy loads and stresses during operation. Each shaft is precisely machined to ensure smooth rotation and accurate alignment with the other shafts. The shafts are supported by heavy-duty bearings that are designed to handle high radial and axial forces, ensuring long-term reliability.

3.2 Blades

The blades on the four-shaft shredder are crucial for the shredding process. They are usually made from high-quality, wear-resistant materials such as hardened tool steel or carbide alloys. The blades have a unique tooth profile that allows for efficient intermeshing and material capture. Their modular design makes them easy to replace when worn out, reducing maintenance time and costs.

3.3 Shredding Chamber

The shredding chamber is the enclosed space where the actual shredding takes place. It is constructed from thick, durable steel plates to prevent deformation and ensure safety during operation. The chamber's size and shape can vary depending on the model and application requirements, and it is often equipped with side liners to protect the chamber walls from abrasion and extend the shredder's service life.

3.4 Drive System

The drive system of a four-shaft shredder consists of electric motors, reducers, and transmission belts or chains. The electric motors provide the necessary power, while the reducers reduce the rotational speed and increase the torque. The transmission components transfer the power from the motors to the shafts, ensuring synchronized and stable operation.

4. Advantages

4.1 High Efficiency

Thanks to its four-shaft design and powerful shearing action, the four-shaft shredder can process large volumes of materials quickly. The ability to handle a wide range of material types, including hard plastics, metals, wood, and rubber, makes it a versatile solution for various industries.

4.2 Low Noise and Vibration

The slow-speed operation of the four-shaft shredder results in significantly lower noise and vibration levels compared to high-speed shredders. This feature makes it suitable for use in urban areas or environments where noise pollution needs to be minimized.

4.3 Energy Saving

Due to its high-torque, low-speed operation, the four-shaft shredder consumes less energy while still achieving excellent shredding performance. This not only reduces operating costs but also makes it more environmentally friendly.

4.4 Long Service Life

The robust construction of the four-shaft shredder, with its high-quality materials and well-designed components, ensures a long service life. The modular blade design and easy access to key components also simplify maintenance, further extending the machine's lifespan.

5. Applications

5.1 Waste Management

Four-shaft shredders are widely used in waste management facilities to reduce the volume of municipal solid waste, industrial waste, and hazardous waste. By shredding waste into smaller pieces, it becomes easier to transport, store, and further process, such as through incineration or landfill disposal.

5.2 Recycling Industry

In the recycling sector, four-shaft shredders play a vital role in pre-processing recyclable materials. They can shred plastics, metals, paper, and cardboard into suitable sizes for subsequent sorting, cleaning, and reprocessing. This helps improve the efficiency of the recycling process and increases the quality of recycled products.

5.3 Wood Processing

For the wood processing industry, four-shaft shredders can be used to shred logs, branches, and wood scraps into chips or smaller pieces. These shredded materials can then be used for various purposes, such as biomass fuel production, particleboard manufacturing, or composting.

5.4 Tire Recycling

The high-torque capability of four-shaft shredders makes them ideal for shredding used tires. Shredded tires can be further processed into rubber granules, which are used in applications such as playground surfaces, rubber flooring, and asphalt modification.

6. Operation and Maintenance

6.1 Operation

Before starting the four-shaft shredder, it is essential to ensure that all safety guards are in place and that the shredding chamber is free of any foreign objects. The operator should then start the drive system according to the specified sequence and gradually feed the materials into the shredder. It is important not to overload the shredder to avoid damage to the blades and other components. During operation, the operator should monitor the machine's performance, including motor current, noise levels, and temperature, and take appropriate actions if any  occurs.

6.2 Maintenance

Regular maintenance is crucial to keep the four-shaft shredder in optimal working condition. This includes checking and lubricating the bearings, inspecting the blades for wear and tear, and tightening any loose bolts or connections. The shredding chamber should be cleaned regularly to remove accumulated debris and prevent blockages. It is also recommended to replace the blades at the recommended intervals to maintain the shredder's performance. Additionally, periodic inspections of the drive system and electrical components should be carried out to ensure safe and reliable operation.

In conclusion, the four-shaft shredder is a highly efficient, versatile, and reliable machine with a wide range of applications. Understanding its working principle, structure, advantages, and proper operation and maintenance procedures is essential for maximizing its performance and lifespan in various industrial settings.

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Zibo United Tech Machinery Co., Ltd.: Contact nameScarlett
Chat Now; Phone86-533-3588750; AddressNo. 145 Zhengtong Road, Zibo, Shandong

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Product Categories

Single Shaft Shredder	Double Shaft Shredder	Four Shaft Shredder	Plastic Granulator
Pallet Shredder	Wood Chipper	Wastewater Grinder

Durable heavy-duty and Precision-controlled fine-crushing four shaft shredder

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