How to reduce jaw crusher service wear in working?

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(Free-Press-Release.com) February 14, 2012 -- Jaw crusher is the most common mining machinery in ore separating basement, aggregate production line, sand making production line, which is also of importance. Compared with other types of stone crusher, jaw crusher has the character of high crushing ratio, simple structure, easy repairing, low investment for producing, high output ,etc, which is now widely used in ore mine, metallurgy, building material, road, railway, water conservancy, chemical industry, etc.

Due to jaw crusher’s special structure and working principle, it is usually used as primary crushing for ore crushing and sand making production line. The working principle of jaw crusher is extruding, and when material is fed into crushing cavity through feeding hole, movable jaw plate is close to fixed jaw plate for an effect of extruding and crushing. But for the direct contact between movable jaw plate and material, so the movable jaw plate is easy worn than fixed jaw plate, especially when the material is of high hardness. Sometimes, the material can make the crushing stop, which influences the whole production line.
Engineers of Liming Heavy Industry (Shanghai) design and develop product equipment of high security according to customers’ reflection and their own experience, which can effectively prevent jaw crusher from stoppage. Liming jaw crusher will create more value for customer as well as improve working efficiency.

When the material hardness, which enters into jaw crusher, is excess to the limited maximum value, the security part is the back thrust board to prevent the important part from damaging. Generally speaking, the back thrust board includes two ways of smelting: one is the molten iron into a whole board with some holes on the board to reduce the cross section intensity, the other is one board is melt by two boards connecting with screws, of which the function are to prevent the device of same effect.
When the material hardness exceeds the limited hardness, the device occur overload phenomenon. All the force will transport to thrust plate, which causes breakage. And the device will stop working and protect the whole machine as well as reduce the jaw crusher service wear in working. Different market demands will occur different products, to meet the market requirement effectively of Liming Heavy Industry can better promote the healthy and stable development.

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