Jaw crushers are divided into single pendulum and compound pendulum jawbreaker whose former is made into large and middle size with 3-6 reduction ratio and latter is generally made into middle and small size with up to ten times reduction ratio.
Although the jaw crusher owns various structures, its working principle is all crushing materials by means of periodical motion of movable jaw.
The structures of the jaw crusher is simple and mainly constituted by operating mechanism, drive mechanism, safety devices and lubricating system which are made of racks, movable jaws and fixed jaws.
It is applied to mine, building materials, road-building, cement and chemical industries, crushing all kinds of ore and rock.
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