Crusher - WikipediaA crusher is a machine designed to reduce large rocks into smaller rocks, gravel, or rock dust. . Animation of a schematic Newcomen steam engine. . The earliest of these were in the foundries, but as coal took hold the larger .. This removes the need for hauling oversized material to a stationary crusher and then back to.diagram of stationary coal crusher,Jaw Crushers | McLanahanThis mechanical pressure is achieved by the crusher's two jaws dies, one of which is stationary and the other is movable. These two vertical manganese jaw.
diagram of stationary coal crusher