When an ore is hard and competent, there is always the possibility that it would make good “pebbles” which could be used for fine grinding media. Different methods that have been tried … See more

Grinding rods and balls can be obtained in uniform sizes, weights and of a specified quality. Their action in a mill can be reasonably predicted. In autogenous and semi-autog… See more

Professor Marcus Digre in his book on autogenous grinding discusses grinding action in autogenous mills as different from the action in rod and ball mills. He confirms the observ… See more

Recent developments in the design of concentration plants have reflected the increased recognition that has been given to the economic and metallurgical advantage… See more

There are basically three general types of autogenous grinding mills: a. Primary autogenous mills which process directly the total discharge of primary crushers (usually set at 6″ to … See more