Paper 48:Paper 48 - Semantic ScholarMintek has assisted mines, as grinding ball producers and distributors for more than 25 years to achieve savings by conducting quality control tests3. Many intrinsic and extrinsic factors are involved in the optimum selection of grinding media. The intrinsic factors include ore hardness, feed size, product size, pulp density,.project report for producing grinding media balls,project report for producing grinding media balls,DESIGN AND FABRICATION OF MINI BALL MILL-. (PDF Download .Abstract. This project is to design and fabricate the mini ball mill that can grind the solid state of various type of materials into nano-powder. The cylindrical jar is used as .. Ceramic materials can be produced either indirectly or directly. via ball milling.[7, 8].Solid solution can also be considerably supersaturated compared to.