Along with the continuous progress of industrialized society, cone crusher and other mechanical equipment have got unprecedented development. The major defect of some older spring cone crushers is the main shaft. The defect of main shaft often makes crushers frequently appear shaft broken problem. The experts from Hongxing Machinery have summarized the reasons resulting in the fracture of main shaft for users through comprehensively analyzing the broken main shaft for a long time.
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It is one of the important reasons leading to the fracture of main shaft. The static strength and durability cannot ensure the normal and continuous operation of crushing equipment. Especially when the iron going through the crushing chamber, the bending stress of the fracture surface of main shaft greatly exceeds the bearing capacity of main shaft of cone crusher.
The fracture of main shaft is closely related to overload. When cone stone crusher crushes quite hard ores, the pressure of spring will be insufficient, which will result in regular beating of upper part of cone crusher, thus wearing and breaking the cone crusher parts.
Normal use and manufacturing cost of China cone stone crusher have direct relationship with the pressure of spring. If the pressure of spring decreases, the cone crusher can work normally and orderly, otherwise it will increase the manufacturing cost. In actual using process, many users often adopt the method of compression spring to increase the crushing force, which will cause the over pressed state of spring when the iron goes through the crushing chamber. This state will not only snap spring and screw, but also put larger load on the main shaft. Meanwhile, the spring not only has no protective effect, but causes a lot of damage to crushers. Hence, when using spring cone crusher, the users must pay particular attention to.
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