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What is the reason for the rapid wear of the jaw plate of the jaw crusher

Time: 2020-10-16 10:52:20 Share To
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 In the entire stone production line, the jaw crusher is generally used as a primary crushing equipment. Among all mining crushing machinery, the jaw crusher is also a crusher with a wider range of applications.

jaw crusher
The jaw crusher is composed of two jaw plates, a movable jaw and a static jaw, in a crushing chamber. It is a crusher that simulates the movement of the two jaws of an animal to complete the material crushing operation. We all know that crushing equipment has a certain service life, especially the tooth plate of jaw crusher is very easy to wear and need to be replaced regularly. So what are the reasons for the wear of the jaw plate of the jaw crusher?
The jaw plate of the jaw crusher is made of standard high manganese steel treated with water toughness. The jaw wear is cutting wear. After analysis, this kind of cutting wear is mainly divided into three situations:
1. The short-distance sliding friction of the material relative to the jaw plate causes the friction and cutting of the tooth plate to form debris, causing the jaw plate to wear.
2. The material is repeatedly squeezed and cut the jaw plate, and small cracks are formed on the surface of the jaw plate or at the root of the protruding part of the jaw plate. These small cracks continue to expand to connect, causing the material on the jaw plate to fall off and form debris.
3. The material is repeatedly squeezed, causing the surface material of the jaw plate to be partially fractured or turned up, and the broken or turned up part will fall off with the material hit by the squeeze to form debris.
Therefore, the hardness and toughness of the jaw plate material are mainly considered to control the wear of the jaw plate of the jaw crusher and extend the service life of the jaw plate. The jaw plate has high hardness, strong wear resistance, and strong anti-extrusion ability, reducing the brittle fracture of the jaw plate in the process of crushing and impacting with the crushed material, and reducing the surface deformation and cracking of the jaw plate.
Jaw crusher jaws are easy to wear parts. In order to improve production efficiency, jaw crushers need to be replaced regularly. At the same time, manufacturers who produce jaw plates must continue to strengthen scientific research investment, improve the structure of the jaw plate, reduce the sliding friction between the material and the jaw plate, and reduce the amount of cutting wear, so as to extend the service life of the jaw plate and bring practicality to customers Economic benefits.

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