Most ball mills operate most efficiently between 65 and 75 of their critical speed. Photo of a 10 Ft diameter by 32 Ft long ball mill in a Cement Plant. Photo of a series of ball mills in a Copper Plant grinding the ore for flotation. Image of cut away ball mill showing material flow through typical ball mill. Flash viedo of Jar Drive and Batch Ball Mill grinding ore for testing. Return To
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Get PriceThe ball charge of a SAG mill is about 9 to 20 .This process takes place inside the large rotating drum of SAG mill which is filled with balls partially. Interior of the drum uses the lifting plates. These plates inside the drum are responsible for picking the grinding material up to fall down again throughout the rotations. Repeated collisions between the steel balls and raw materials (ore
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Get Pricedifference between copper ball mill and efficient ball mill. According to this definition given that the energy utilization in a ball mill is between 110 3 and 410 3 m 2 /J and that the crack resistance value is between 30 and 60 J/m 2 the theoretical efficiency of the ball mill should be in the range of 1.512 .
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