Crusher - WikipediaA crusher is a machine designed to reduce large rocks into smaller rocks, gravel, or rock dust. . Querns and mortars are types of these crushing devices. . In industry, crushers are machines which use a metal surface to break or compress .. Mining operations use crushers, commonly classified by the degree to which they.types and classification of industrial crushers,Crushers and Their Types | ispatguruApr 3, 2015 . Crushers are classified into three types based upon the stage of . There are several types of crushers which are used in various industries.
types and classification of industrial crushers