Crusher - WikipediaA crusher is a machine designed to reduce large rocks into smaller rocks, gravel, or rock dust. . Throughout most of industrial history, the greater part of crushing and mining part of the ... In earlier years the practical use of HSI crushers is limited to soft materials and non abrasive materials, such as line, phosphate,.part in line crusher,part in line crusher,Wear parts application guide - In impact crushing (Horizontal Shaft. Impactor . Wear parts application guide - NP series impact crusher .. Rotor speed plays an important role in the.
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