About the ball/rod mill ball mills and rod mills are essential mining equipment for further size reduction of ore after the crushing stage. they are applicable to the comminution of dry or wet ores and other grindable materials in ferrous and non-ferrous metal processing plants, cement plants, refractory plants, fertilizer plants, and.Accs ltd - ball mill relining. ball mill relining . ball milling is a primary method of grinding coarse materials to a fine powder. typically employed in the ceramics, metallurgical, paint and glass industries, ball milling uses abrasive grinding media (such as ceramic balls, flint pebbles or stainless steel balls) to reduce particle.