Secondary Grinding Ball Mill

Rod mill is a type of grinding mill whose grinding media is steel bar, while ball mill is steel ball.1.Rod mill are usually applied to grinding the w-sn ore and rare metal in the reselection or magneticore-dressing plant in order to avoid the damage caused by the over crushing.2.In the two stage grinding process, if it requires grinding the ore from 20-6mm to 1-3mm in the first stage, rod.