A crusher is a machine designed to reduce large rocks into smaller rocks, gravel, or rock dust. Crushers may be used to reduce the size, or change the form, of waste materials so they can be more easily disposed of or recycled, or to reduce the size of a solid mix of raw materials (as in rock ore), so that .. A cone crusher breaks rock by squeezing the rock between an eccentrically

Basics in Minerals Processing

Technical data: Cone crushers – HP,andseriesTechnical data: High pressure grinding rolls (HPGRs)HRC™Technical data: Flotation machine DR, metric .. All deposits of minerals, rock or ores have different hardness depending onaffect many process parameters, (wear rate, uptime, operation costs etc.).