Hammer crusher is widely used in cement, ceramic, mining and electricityother industries, hammer head is one of important parts in crusher, its abrasion performance directly affects the service life of hammer crusher and economic cost. According to bimetalcomposite hammer head is often appear "Hammer handle wear and tear","Composite difficult" and the set of casting alloy block hammer head set piece of "come off" phenomenon, which design a set piece type bimetal composite casting straight

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... al hammer, make full use of high chromium cast iron wear resistance and the toughness of low alloy steel.Design a protect block structure reasonably that solve the hammer when the actual production of composite interface is difficult to control and "the problem of hammer head wear"for use.Solve the problem of hammer head wear actively, achieve "energy saving, emission reduction and environmental protection".