Ball Mills - 911 MetallurgistDec 23, 2017 . Over a period of many years various fine grinding machines have been developed and used, but the ball mill has become standard due to its ... Cell has the exclusive gravity flow principle of circulating coarse material, which has made it possible to use flotation of a ball mill discharge without chokeups.material flow ball mill,Material Movement Inside a Ball Mill - bulk-online ForumsApr 8, 2008 . Hi Yogesh, If the mill is static, then there can be no flow of product. In a working mill there is dynamic movement. What comes in must go out. Product and metal is carried up the side of the mill, sometimes assisted by lifter strips, which creates a head, causing flow. It is not essential for the mill to be inclined to.