Shredder classification and function introduction

A shredder is a machine used for fine crushing, generally used to process solid waste, unprocessed raw materials or scraps, etc., to make them smaller in size for recycling and reuse. So, what types of shredders are there? The following editor will tell you about the classification and functional characteristics of shredders.  

Plate shredder

Because shredders are widely used, there are many ways to classify shredders.

1. Classification based on the structure of the shredder

1. Shearing shredder (double-shaft shredder, four-shaft shredder)

The most common is the shearing shredder, which has two or four blade shafts and mainly relies on the principle of "shearing and cutting" to complete the shredding process. The principle of this shredder is to cut and tear objects like scissors.

Double shaft shear shredder

Double shaft shear shredder blade  

Shearing shredders are generally suitable for the following materials:

a. Plastic barrels and plastic bottles;

b. Metal cans and metal barrels;

c. Tires, car bumpers, roadblocks, circuit boards;

d. Used home appliances such as washing machines and refrigerators;

e. Straw, wood, and used furniture;

f. Biofertilizer;

Features of Xinbei Mechanical Shearing Shredder

a. The spindle is processed as a whole by the machining center, with high precision and reasonable structure; the shearing moving knife is divided into two types: screw locking type and sleeve shaft fixed type, and the tool selection is determined according to the material. The screw locking type is suitable for conventional hollow plastic shredding. The advantage is that the operation is simple when the tool is replaced later, and non-professionals can operate it under guidance. The sleeve shaft type is suitable for shredding most general materials. The equipment has strong impact resistance and has high requirements for the material, processing accuracy, and installation of the machine itself.

b. The transmission system is a compact connection between the motor, reducer, and coupling. The driving shaft and the driven shaft are connected without gaps through gears to ensure high efficiency, low speed, high torque, and low noise. The motor is connected to the reducer pulley, and the speed is gradually reduced, which effectively protects the motor and reducer.

c. The electric control system is PLC self-programmed, equipped with start, stop, forward, reverse and overload automatic protection functions. The whole machine is automated to ensure work safety, save labor costs, and extend the life of the machine. The transmission system is connected by a coupling to alleviate the recoil force and ensure the stability of the overall structure.

d. The combined or split cutter and cutter thickness can be selected according to the material, with wide diversity.

e. The electrical system adopts high-quality PLC control, which is easy to operate and safe to run.

2. Roller shredder (double-axis roller shredder)

The double-axis of the roller shredder rotates synchronously and concentrically to ensure coordinated and stable shredding

Double-shaft roller shredder

Double-shaft roller shredder blade

Features

a. Original dual-axis stick shredding system, dual-axis synchronous concentric rotation, to ensure coordinated and stable shredding

b. Unique one-sided four-corner moving knife structure, perfectly connected with the serrated fixed knife, to ensure shredding capacity and reduce the size of the shredded material

c. The machine is equipped with two independent power systems to maintain low-speed high-torque production to avoid shaft entanglement and shaft jamming.

d. The electronic control system is a PLC automatic control system, equipped with start, stop, forward, reverse and overload automatic protection functions.

e. The whole machine is automated to ensure work safety, save labor costs and extend the life of the machine.

3. Single-axis roller-cut shredder

The roller-cut shredder is equipped with multiple blades on a rotating knife roller, which form a cross-cut with the fixed blade to complete the material crushing effect.

Single shaft roller cutting shredder blade

Single shaft roller cutting shredder blade

Uses of roller shredder

Hard material shredding

Large diameter pipes and plates

Head material

Pallet

Wires and cables

Metal, glass fiber, carbon fiber

Soft material shredding

PE, PP, BOPP, PU, PET film, woven bags, ton bags

PET chemical fiber

Industrial waste cloth

Wires and cables

Domestic garbage

Features of roller shredder

a. The overall circulation of the bin material, unlimited feeding, high shredding efficiency, no material jam; unique external guide, stable, zero maintenance.

b. The spindle is an integral fastener, automatically processed by the machining center, high precision, and never broken.

c. The transmission parts are connected by couplings to reduce vibration, protect the spindle and reducer, and do not lose force.

d. The unique vertical hopper is equipped with a pneumatic cover and a safe feeding platform to facilitate feeding and ensure safety.

e. The electronic control system is PLC self-programmed, equipped with functions such as start, stop, forward rotation and overload automatic protection. The whole machine is automated to ensure stable and safe operation and save labor costs.

4. Plate shredder

Mainly used to shred large plates PP/PVC/PE

Plate shredder

Features

a. Plate shredder is used to shred longer and thicker plate materials. Plates with a size of 1000mm-3000mm do not need to be cut and can be fed at one time

b. Plate shredder adopts an extended discharge bin size, and can feed more than several tons at a time, greatly improving efficiency and reducing manpower.

c. The built-in hydraulic system pushes the material to the main shaft for shredding, and cooperates with the high-precision system and the silo parallel system to ensure a smooth shredding process and reduce vibration and noise.

d. On the basis of safety and easy operation, the electronic control system is equipped with one-button start, emergency stop, overload protection and other protection functions to ensure stable operation of the machine and maintain high efficiency

5. Horizontal shredder

Horizontal shredder

Mainly used for shredding PE/PVC pipes and large-size PP/PC sheets.

Features

a. Horizontal shredder is used for shredding longer and larger materials, with a diameter of 250mm-1600mm and a length of 3m-9m. B. The material does not need to be cut and can be fed at one time.

b. The horizontal shredder adopts a dual-axis drive system, which operates synchronously. Compared with a single axis at the same power, it greatly improves the production capacity and shredding efficiency.

c. The built-in hydraulic system pushes the material to the main shaft for shredding, and is equipped with a high-precision system and a silo balance system to ensure a smooth shredding process and reduce vibration and noise.

d. On the basis of safety and easy operation, the electronic control system is equipped with one-button start, emergency stop, overload protection and other protection functions to ensure the stability of the machine operation and maintain high efficiency.

2. Classification according to the shredded materials

Using shredders to shred different materials can also be classified in this way, such as car shredders, metal shredders, plastic shredders, pipe shredders (crushers), garbage shredders, etc.

3. Classification according to the principle of shredders

According to the working principle, shredders are generally divided into single-axis shredders and multi-axis shredders. Multi-axis includes double-axis shredders, four-axis shredders, etc.

4. Classification according to the capacity of shredders

Shredders have different working capacities and capacities, such as 500 kg/hour, 1 ton/hour, 5 tons/hour, and 10 tons/hour.