Grinding is the process of achieving particle size reduction through attrition and compressive forces at the granular level. The grinding media in a ball mill is typically steel or ceramic balls of varying sizes, depending on the feed size, work index of the ore and the size .
Apr 26, 2019· The balls are the grinding media which could be made of ceramic, rubber, steel, etc. ball mills operate by rotating around a horizontal axis almost filled with the material to be ground and the grinding media. The end result is the reduction of the material to a fine powder.