Crusher general handling larger pieces of material, product coarser, usually greater than 8 mm. Its structure is characterized by a gap between the broken pieces of the roll crusher, do not contact each other. Crusher can be divided into coarse crusher, the crusher and fine crusher. In general mill processed materials smaller product size is fine crusher, up to 0.074 mm roll crusher, even some fine. The structure is characterized by crushing members (or medium) contact jaw crusher, used medium is steel balls, steel bars, gravel or mineral mass. But some machinery is with both crushing and grinding action, such as from the mill. ∮5.5 × 1.8 米 cap from the mill processing ore particle size of up to 350 to 400 mm. Broken jaw broken jaw structure consists of a structure main frame, eccentric shaft, big belt pulley, flywheel, moving jaw, side guard, elbow board, elbow board seat, gap adjustment screw, reset spring, fixed jaw plate and movable jaw boards and other components, which also play a role as insurance bracket. Structural features of high strength steel, forming a casting, with wear, compression, long life and other advantages. Mainly applicable crushing large, medium and small stones and corresponding objects. Crusher _ Lei Machinery (certified) _ crusher provided by Zhengzhou Machinery Co., Ltd. Lei. Zhengzhou Lei Machinery Co., Ltd. (www.hnzljx.net) (www.hnzljx.net) is a leader in Zhengzhou, crushing grinding equipment, over the years, the company implement the scientific management, innovation and development, the principle of honesty and trustworthiness, the maximum Limits to meet customer needs. In Lei machinery leadership with the staff warmly welcome all inquiries negotiations to create the better future Lei machinery.