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30 July, 2013 at 2:54 am in Education

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Doris Mo

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Gyratory crusher is a kind of coarse crushing machine which is widely used for coarsely crushing hard and medium hard rocks and ores in metallurgy, chemistry, building material, power station, transportation and other industrial departments. Compared with jaw crusher, it has the features of low energy consumption, high processing capacity, even abrasion of the crushing chamber and even product granularity. PE series jaw crusher, including primary crusher and secondary crusher, is mainly used for crushing various ores and bulk materials with compression strength no more than 320Mpa into medium-sized grains. The series products have complete specifications and the feeding size ranges from 125mm to 750mm, which are the first choice for primary crushing. Jaw crusher or stone jaw crusher is widely applied in mine, metallurgy, construction, road, railway, water conservancy, chemical industry, refractory material and ceramic, etc.

Generally speaking, jaw crusher has more advantages comparing with gyratory crusher. Jaw crusher has many advantages such as simple structure, low manufacturing cost, convenient repair and maintenance, reliable working condition, small machine height, easy configuration. Nevertheless, the composition of gyratory crusher is complicated, for this reason, the manufacturing of this machine is difficult and the cost is high; this crushing machine is 1.7~2 times heavier and 2~2.5 times higher than the jaw crusher with the same ore feeding size, so that it needs higher workshop which requires higher construction fees; installation and maintenance is complicated and the examination and repair is inconvenient.


Under the condition of strength and stiffness, the reasonable structural design will reduce the weight. Using welding frame and mobile jaw to replace casting machine can also reduce the weight. In the view of the present actual sales situation of domestic 1200 x1500 jaw crushers, there are still some gaps between China’s and foreign advanced equipment. For domestic 1200 x1500 jaw crusher manufacturing enterprise, its primary problem is to raise the crusher product quality and technology level, narrow the gap with foreign advanced level. to create our own excellent brand crushers not only helps to occupy domestic market but can be sold abroad. 

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