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So the Work Index of this circuit is the equivalent amount of energy (W) it would use to reduce this ore from a very large size to a P80 of 100 um. For any circuit, whether a crushing circuit, a rod mill, or a closed ball mill circuit, the Work Index always means the equivalent amount of energy to reduce one ton of the ore from a very large ... ### A Method of C alculating Autogenous/ SemiAutogenous ...

rod mill/ball mill circuit was operating very efﬁ ciently ... Also, the plotted rod mill P80 value, as shown in Figure 1, is 2900 μm. ### IsaMill Technology Used in Effecient Grinding Circuits

and examine the use of the technology in conventional grinding applications (P80 20 ... Ball Mill 2600 126 21 Regrind Mill 740 39 19 Tower Mill 1000 12 42 ### Calculated Power For GrafeDischarge And Overflow Ball Mills

Calculated Power For GrafeDischarge And Overflow Ball ... as close as possible to the optimum calculated P80 . the SAG Mill ... how to calculate the ball mill ... ### ball mill capacity how to calculate

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Determining the Bond Eﬃciency of industrial grinding circuits ... • Estimate the F80 and P80. • Calculate ... product fineness to apply—the ball mill circuit ... ### calculating a ball mill structure

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Calculate and Select Ball Mill Ball Size for Optimum ... CFFine = If the product size P80 is less than 75 µm, the fineness of ball mill grind factor as determined ... ### calculate the reduction ratio of ball mill

Rock Crushing Rule of Thumb. ... With a typical 6:1 reduction ratio, ... calculations define the efficiency of a fine stagecrush ball mill circuit as to ...