The basic construction of a ball mill is a cylindrical container with journals at its axis. The cylinder is filled with grinding media , the product to be ground is added and the cylinder is put into rotation via an external drive causing the media to roll, slide and cascade. Lifting baffles are supplied to prevent the outer layer of media to simply roll around the cylinder.
Standard shaft mount reducer and belt drive
Gearwheel and pinion
Direct drive via in-line reducer
Mill cylinders are typically supplied with a cooling jacket on their cylindrical portion for temperature control, especially when processing temperature sensitive materials. For extreme temperatures, the ends of the cylinder can also be furnished with cooling apparatus.