With the development of modern science and technology, the rapid development of the crusher is also a general trend. Its demands on the quantity and quality continue to increase and improve, which are particularly noticeable in the small cement industry. The jaw crusher is the most widely used crushing equipment and occupies the largest market share in the small and medium-sized crushers. The jaw crusher is the most versatile crushing equipment in any industry.

The jaw crusher appeared in the United States in 1858, it had made rapid development in the after 130 years, and a variety of new products were emerging, such as: BLM support jaw crusher, KUE-KUE type crusher, BUT inertial impact crusher, and single toggle plate jaw crusher. 

Jaw crusher is one of the most popular stone-crushing equipments in the world; Jaw Crusher is ideally suitable for primary and secondary crushing. Jaw crusher has the advantages of: big reduction ratio, equal product granularity, simple structure, reliable working condition, convenient repair and economical operation. Jaw crusher is widely used in the works of mine, smelting, building material, road, railway, irrigation, chemical industry, etc. the compression strength of the materials to be crushed is less than 320MPA. 

Crusher industry is growing rapidly, but it main focus on the improvement of the old type crusher. In the nowadays we should optimize the design of various parameters and make the old type jaw crusher be suitable for the modern industry demand by using the new technology. Its technical performance such as processing capabilities, product size can be greatly improves.

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