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.crusher machine differences,Types of Crushers - Mineral Processing / MetallurgyNov 11, 2016 . Pressure Crushers: This category embraces the several types of gyratory . sledging performance of such machines as the Fairmount crusher.
crusher machine differences