Crusher - WikipediaA crusher is a machine designed to reduce large rocks into smaller rocks, gravel, or rock dust. . In industry, crushers are machines which use a metal surface to break or compress materials into small fractional chunks or denser masses. ... cone crusher, spring cone crusher, hydraulic cone crusher and gyratory crusher.steel spring crushing machine,The economics of mattress recycling: the spring's the thingNov 29, 2016 . Steel spring cages are the most valuable component of a mattress or . a local inventor, to build a specialized machine to crush the springs.
steel spring crushing machine