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Jaw crusher types and development

Time:2015-08-09 01:24:08 10:10:46 AM Num:84

      Jaw crusher, commonly known as the tiger population since 1858 by the American EWBlake invention since, more than 100 years of history. Although it is an old broken equipment, but because of a simple structure, reliable, easy to manufacture, easy maintenance, etc., it is still widely used in metallurgy, mining, nonmetal mining, building materials, chemical industry, roads, electricity and Other industrial sectors.

Jaw crusher


    Jaw crusher specifications with feed opening width B and length L represents. Usually feed opening width greater than 600mm were large, 300mm ~ 600mm were medium-sized, less than 300mm are for small jaw crusher.


    The current production is widely used in the collar crusher, jaw movement characteristics press division, there are simple and complex swing swinging two basic types, shown in Figure 2-1. After a long practice of crushing, crusher revealed various shortcomings continue to be improved, but also developed a variety of structural forms of teeth crusher. As a college in Shenyang developed three sizes of dozens of pieces of double-action crusher, stable, the production capacity increased by about 20% than the original, long lining life, crushing ratio up to 5-20, in order to bring good economic returns, welcomed by users. On this basis, has developed a production capacity equivalent to the same specifications of the inlet collar single-acting four times the capacity of the crusher and the drive power is only single-action Yi crusher 2x multi-cavity continuously broken collar-breakers machine.


    In summary, the structure of jaw crusher, production capacity, lining life and power consumption crusher design several key factors, but the factors restricting each other. Designer's task is through constant exploration and practice, to design a simple structure, easy manufacturing, long life, high output, low power consumption and product size characteristics of a good fine crusher.

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