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procedure of calibrate ball mill
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procedure of calibrate ball mill

Here is the old Allis-Chalmers Bond Work Index Grindability TestProcedure. The standard feed is prepared by stage crushing to all passing a 6 mesh sieve, but finer feed can be used when necessary. It is screen analyzed and packed by shaking in a 1000-cc graduated cylinder, and the weight of 700 cc is placed in themilland ground dry at 250 per cent circulating load.

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