Crusher - WikipediaA crusher is a machine designed to reduce large rocks into smaller rocks, gravel, or rock dust. .. Each crusher is designed to work with a certain maximum size of raw material, and often delivers its output to a screening machine which sorts.how does roll crusher works,Design, Fabrication and Testing of a Double Roll Crusher - IJETTDesign and production of an indigenous roll crusher from locally . rocks was carried out in this work. . zone of a roll crusher and is about to be nipped ,. .
how does roll crusher works