The Three Types of Ball Mills
2021-8-21 · Grate-Discharge Type. The grate-discharge type of Ball Mill has a grate at the outlet of the shell and causes less excessive grinding, compared to the overflow type. Therefore, generally, it is best suited to grind materials up to the particle sizes ranging from 60 to 10 mesh. Figure 4: Labelled Diagram of Grate Discharge Type. Compartment Type