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Dec 17 2018 G = HGI13 / 6.93 14 where G = grindability of the mill g/rev. Mill Power Bond s theory enables estimation of specific power consumption kwh / Ton from the work index Wi of the material being ground which conforms to mill motor output power of an 8 ft diameter wet grinding overflow ball mill in closed circuit.Chat Online

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Bond F. C. "Crushing Tests by Pressure and Impact" Trans AIME Vol 169 1947 pp 58 66. Bond Rod Mill Grindability Test. The test determines the Bond Rod Mill Work Index which is used with Bond s Third Theory of Comminution to calculate net power requirements when sizing ball mills . Various correction factors may have to be applied.Chat Online

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Dec 17 2018 G = HGI13 / 6.93 14 where G = grindability of the mill g/rev. Mill Power Bond s theory enables estimation of specific power consumption kwh / Ton from the work index Wi of the material being ground which conforms to mill motor output power of an 8 ft diameter wet grinding overflow ball mill in closed circuit.Chat Online

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Dec 18 2013 In contrast to laboratory scale testing for ball mills and AG/SAG mills test work results for stirred mills can be used for sizing full size equipment with a scale up factor close to one. Larson et al . 19 20 found a scale up factor for the Isamill of exactly 1 while Gao et al . 8 imply that the scale up factor for SMDs is 1.25.Chat Online

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Jun 19 2015 The basic parameters used in ball mill design power calculations rod mill or any tumbling mill sizing are material to be ground characteristics Bond Work Index bulk density specific density desired mill tonnage capacity DTPH operating solids or pulp density feed size as F80 and maximum chunk size product size as P80 and maximum and finally the type of circuit open/closed Chat Online

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Grindability Index Test Method Procedure911 Metallurgist. The proposed grindability test uses the Bond standard test mill and a quantity called that the orcs concerned do not conform to the Bond Law of Comminution. " . required for many crushing and grinding operations. in stages to finer than 6 mesh 3 35 mm and ground under specified conditions in a laboratory ball mill .Chat Online

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I have used the Molycop database and obtained the following updated Bond Equation. Ball Mill Media kg/kWh = 0.0944 Ai 0.299. Aidan Giblet and J. Seidel published a paper on the 2011 SAG conference MEASURING PREDICTING AND MANAGING GRINDING MEDIA WEAR and they obtained. Ball Mill Media kg/kWh = 0.0817x Ai 0.498. the two equations are very Chat Online

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Dec 18 2013 In contrast to laboratory scale testing for ball mills and AG/SAG mills test work results for stirred mills can be used for sizing full size equipment with a scale up factor close to one. Larson et al . 19 20 found a scale up factor for the Isamill of exactly 1 while Gao et al . 8 imply that the scale up factor for SMDs is 1.25.Chat Online

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