Jaw crushers are widely used in stone factories, mines and construction industries. The jaw plate is the core of the jaw crusher and directly contacts the material when working. When crushing materials, the crushing teeth are squeezed, ground and impacted by the materials, and bear huge loads. The direct result is that the jaw plates are extremely prone to wear. The wear and tear of the crushing teeth will increase the power consumption of the crushing station. In severe cases, the equipment will be shut down. Frequent replacement of jaw plates will also affect the efficiency. So what factors will cause jaw plate wear, and how should we avoid it?
1. Material hardness
The hardness of the material is the primary factor for the wear of the jaw plate. Under certain other conditions, the higher the hardness of the material, the easier it is to cause wear on the surface of the jaw plate, and the generation of furrows accelerates the wear of the jaw plate.
2. Jaw plate material
The strength of the jaw plate and the material of the jaw plate determine the wear resistance of the jaw plate, and the wear resistance of the jaw plate determines the service life of the jaw plate. Therefore, the choice of jaw plate material also has an important influence on the wear of the jaw plate. Therefore, the jaw plate must be made of materials with high hardness, wear resistance and strong impact resistance, and high manganese steel is commonly used.
3. Adjustment of jaw crusher equipment
Unstable contact between the jaw plate and the surface of the machine will also accelerate the wear of the jaw plate. When installing the jaw plate, it must be installed and fixed tightly to make it in stable contact with the surface of the machine; the eccentric shaft rotates too fast, and the crushed materials are too late Excluded, resulting in blockage of the crushing chamber and wear of the jaw plate; the angle between the movable jaw plate and the fixed jaw plate is too large, exceeding the normal range.
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