This is similar to a rod mill except that steel balls tumble over the material to be crushed. Autogenous mills use the crushed rock to grind itself to powder. See Figure 50 for NEMA recommended torques for the various types of mills.
This is similar to a rod mill except that steel balls tumble over the material to be crushed. Autogenous mills use the crushed rock to grind itself to powder. See Figure 50 for NEMA recommended torques for the various types of mills.