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Five Reasons To Reveal The Returning Phenomenon Of Jaw Crusher

Last Update:2020-05-01 08:50:59

With the development of industry economy, the heavy industry in many areas of China is also rapidly active, and the development demand of mining, smelting, building materials, roads, railways, water conservancy, chemical industry and other industries is growing rapidly. In this situation, all kinds of crushing equipment have also developed. Jaw crusher is a kind of coarse crushing equipment suitable for crushing all kinds of hard and abrasive stones, with an ideal compressive strength of 320MPa. The crushing chamber of the crusher is composed of two jaw plates, dynamic jaw and static jaw, which can simulate the movement of two jaws of animals to complete material crushing.

From the aspect of materials, in the front row, the materials are under unbalanced stress. The materials to be broken are in a balanced state in the crushing chamber, neither moving up nor down. However, once the angle increases, the materials are under unbalanced stress in the vertical direction, and the materials are extruded under the action of upward component. Second, the friction coefficient between the material and the jaw plate is small. The cross sections of the movable jaw plate and the fixed jaw plate are designed with teeth. That is to increase the friction coefficient between the material and the jaw plate and avoid the relative movement between the material to be broken and the jaw plate as much as possible. Therefore, the wear of the jaw plate should be avoided and the friction coefficient should be increased. Third, the size of the materials to be broken is too different. If there are few large materials, the equipment can still work normally. If there are many large materials and they are jammed between two small materials, there will inevitably be material return.


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