35 rows ball mill or ball mill grinder is one of the most widely used superfineindustrial grinding machines in mining industry. ball mill has many types, such as, tube ball mill, cement ball mill, superfine ball mill and energy-saving ball mill, overflow ball mill, chinaware ball mill and grid ball mill. ball mill grinder or ball machine is mainly used to grind materials in mineral, cement, refractory, chemical and other.Apr 11, iron ore crushing and grinding machines - liajones - 博客园. -2-6 thus, these small iron ore can enter into the iron ore mill such as ball mill for grinding. impact crusher is generally used after jaw crusher, and can crush hard stones, not only the iron ore, but also other ores such as copper, bauxite, gold, kaolinite, manganese.