Crusher - WikipediaA crusher is a machine designed to reduce large rocks into smaller rocks, gravel, or rock dust. .. Jaw crushers are heavy duty machines and hence need to be robustly constructed. .. Thus the maintenance rate is greatly reduced and production efficiency is greatly improved as it can remove blocks without disassembling the.maintenance of cone crusher for gravel,P&Q University Lesson 7- Crushing & Secondary Breaking | Pit .Aug 5, 2015 . Most secondary crushers are cone crushers or horizontal-shaft impact crushers. .. the rock into the crusher that is set up at the quarry face, gravel pit or in ... Without routine, regular maintenance and repair, a mobile crusher.
maintenance of cone crusher for gravel