A ball mill is a type of grinder used to grind and blend materials for use in mineral dressing processes, paints, pyrotechnics, ceramics and selective laser sintering. It works on the principle of impact and attrition: size reduction is done by impact as the balls drop from near the top of the shell. . invention of steam power that an effective ball milling machine could be built.
Grinding Media & Grinding Balls . Union Process, Inc.
Grinding media, the objects used to refine material and reduce particle size, are available in . including Attritors (internally agitated ball mills) and DMQX horizontal media mills, . stainless steel or chrome steel grinding balls are best for some applications, while . They are made by machine (standard) sizes 20mm75mm.