The shredder is an indispensable and important presence for the solid waste resource recycling industry. Because, the shredder can greatly improve the efficiency of the industry. If you need a shredder equipment, we first based on the material to be crushed after the function of selection, according to the characteristics of the material and the degree of ease of crushing to select the appropriate model. Many first contact shredder people, can not distinguish them, today to sort out the difference between the list shaft shredder and twin shaft shredder.

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(1) The structure is different

Single-shaft shredder is mainly composed of a single spindle shredding blade group, fixed knife, box, feeding system, power system and other components. Through the rotation of a single shaft to drive the knife cutting materials will slowly shred the material, energy consumption is much higher than the dual-axis shredder, and the shredded finished product to be slightly smaller.

Two-shaft shredder mainly consists of two spindles consisting of shredding blade set, box. Feeding system, power system and other components. Through the mutual tearing, extrusion, shearing and other effects of the two knife rollers will be shredded into small pieces of material, and the body is slightly larger than the single-shaft shredder, shredding the finished material is relatively large, energy consumption than the single-shaft shredder to be small.

(2) knife type is different

Single-shaft shredder only assembled with a dynamic shaft, the blades are installed on this shaft, and the box on the fixed knife open to form a form of mutual shear.

Multi-shaft shredder dynamic axis into two, are set with blades, two axes of relative rotation, similar to the operation of the single-shaft shredder on the material.

(3) The working principle is different

Single-shaft shredder is the use of dynamic knife blade particles and fixed knife interaction, and through the screen to control the size of the material, the material will be shredded, shear, extrusion plus to a smaller size. Through the pushing system to send the material to the blade rotor for crushing, providing a large shear force to ensure a higher crushing output.

Double shaft shear shredder, is the use of two relatively rotating knives between each other shear, tear principle to crush the material. The use of dual motors and dual reducers, strong power, high operating stability.

(4) The difference in crushing materials

Single-shaft shredder is often used for more solid, smaller objects, can be processed to a smaller size of the material at one time. With a small size of the material, the screen can be replaced, the material is widely applicable, high efficiency and other characteristics. It is suitable for disposal of cans, trays, aluminum products, etc.

With high torque and high crushing efficiency, the twin-shaft shredder is suitable for a large number of hollow and light plastics. Such as PE film, PP pipe, rubber tires, auto parts and electronic waste.

In general the applicability of the twin-shaft shredder is stronger, and the scale of use of the twin-shaft shredder is more extensive, so the use of the twin-shaft shredder is more. In terms of shredding particle size, the single-shaft shredder shredding blocks to be smaller, single-shaft shredder it is more targeted, while the double-shaft shredder crushing blocks can be tailored according to the different materials, different shredding requirements. Single-shaft shredder and twin-shaft shredder is the strength of each, customers must think about understanding when purchasing, do not blindly lost the direction of choice.

What is the difference between single shaft shredder and double shaft shredder

Time:0000-00-00 00:00:00 Author:Suny Group

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Common shredders in our lives mainly include single-shaft shredders and double-shaft shredders. Many users do not understand the use and performance of these two shredders, which often leads to the purchase of shredders. The product is not what you need, which causes unnecessary trouble.

The main difference between single shaft shredder and double shaft shredder:

The biggest difference between a single-shaft shredder and a double-shaft shredder is that the single-shaft shredder has only one knife stick, and the double-shaft shredder has two knife rollers.

Secondly, the shredding principle of the two is different. The single-shaft shredder is equipped with only one moving shaft, and the blades are installed on this shaft, forming a mutual shearing form with the fixed knife on the box. The main shaft is driven by the motor and the reducer, and the material is driven by the spiral blade and enters the gap between the movable knife and the static knife.

The double-shaft shredder is similar to the single-shaft metal shredder, except that the moving shaft becomes two, and both are inlaid with blades. The two shafts rotate relative to each other. Because the blades are spiral, the material will be squeezed at the same time. The functions of pressing, tearing and shearing enable the materials to enter the equipment well and complete the work smoothly. The double-shaft shredder is equipped with two motors, which has enough power to crush materials with larger shapes and higher hardness.

The single-shaft shredder equipment uses a motor, the power is relatively small, and the power consumption is not large. Small recycling waste materials plants are more suitable for single-shaft shredder equipment, and the processing capacity is not very large; the double-shaft shredder equipment uses There are two high-power motors and two reducers, which are more powerful and consume more power. This is the most obvious difference between the two. The double-shaft shredder has high working efficiency and large output. These are incomparable with single-shaft shredders. It is more suitable for customers who have requirements for processing capacity and finished products.

The materials used for shredding of the two are different. Some materials with lower hardness, such as plastic, wood, paper products, etc., can choose a single-shaft shredder, but some materials with higher hardness and toughness such as plastic film and rubber , Metal products, etc., these raw materials need to use double-shaft shredder equipment, which has large power and can be shredded easily.

The working principle of double shaft shredder and single shaft shredder:

The single-shaft shredder uses a cutter head to cut, cut, tear, and pull materials. The direct-connected worm gear motor is directly installed on the driving shaft of the single-shaft shredder, and is transmitted to the driven shaft through gear transmission, so that the movable knife of the driving shaft and the fixed cutter disk on the housing form a relative movement. The spiral tooth cutter discs on the driving shaft are arranged staggered, so that after the material enters, it is simultaneously subjected to the effects of squeezing, tearing and shearing, so that the material is broken. 2. The high-speed rotating impeller is used to agitate and break the long metal scraps. The high-speed rotating (about 1000 rpm) main shaft is connected in series with several special alloy cutters. The material enters the machine from the feed port and is rotated at high speed. The gears on the steel plate are twisted and torn into small pieces. The size of the sieve holes flowing out of the bottom sieve can be selected according to the size of the broken particles required by the metal chips.

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.

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