How to Judge Whether the Liner and Other Parts of the Jaw Crusher Need to Be Replaced?
Publish：
2025-06-16 15:01
发布人：
清水源
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To determine whether the liner and other parts of the jaw crusher need to be replaced, it is mainly necessary to observe the operating status of the equipment, check the wear of the parts and analyze the production data. In daily use, if the crusher output is found to be significantly reduced, the energy consumption is abnormally increased, or the particle size of the discharged material is uneven, it often means that the liner has been seriously worn. At this time, it is necessary to stop the machine to check the surface of the liner. If the wear thickness exceeds 30%-40% of the original design thickness, or large-scale cracks, deformation, fractures, etc. occur, it must be replaced. For the tooth plate, when the tooth peak is flattened, resulting in a decrease in bite ability, or more than 3 consecutive teeth are broken, it is also necessary to replace it in time. In addition, if abnormal vibration or metal collision sound occurs during the operation of the equipment, it may be caused by loose liner or broken bolts, and the machine should be stopped immediately for maintenance. In actual operation, it is recommended to establish a regular inspection system, measure the remaining thickness of the liner every week, comprehensively check the status of fasteners every month, and record the use time of each replacement of parts, so as to formulate a preventive replacement plan based on this. At the same time, it is necessary to pay attention to the changes in the characteristics of the crushed material. If high-hardness materials are handled for a long time, the inspection cycle needs to be appropriately shortened. Through the above methods, we can ensure safe production and avoid secondary damage caused by excessive wear of parts.
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