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Acta Metall Sin  1963, Vol. 6 Issue (1): 23-27    DOI:
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ON THE CRITICAL SPEEDS OF THE TUMBLING MILLS
WANG TSENG-TU North-eastern Institute of Technology
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WANG TSENG-TU North-eastern Institute of Technology. ON THE CRITICAL SPEEDS OF THE TUMBLING MILLS. Acta Metall Sin, 1963, 6(1): 23-27.

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Abstract  A new theory of grinding in tumbling mills is suggested.According to this theory the critical speed of ball mill is represented by:(?)in which:n—critical speed in r.p.m.;f—coefficient of friction between balls and the internal surface of the mill;D—internal diameter of the mill in meter;k=R_2/R_1,R_1 the internal radius of the mill and R_2 the distances between thesurface of ball load and the mill axis.This equation gives a better agreement between theoretical data and experimentalresults than the well known Davis' equation.
Received:  18 January 1963     
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https://www.ams.org.cn/EN/     OR     https://www.ams.org.cn/EN/Y1963/V6/I1/23

见参考文献[3] ,P.274.
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[2] White,H.A.:J.Chem.Met.Min.Soc.South Africa,1905,5,290.
[3] Davis,E.W.:Trans.AIME,1920,61,250.
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[5] Hukki,R.T.:Progress in Mineral Dressing,(Almqvist'& Wiksell,1958) ,p.85.
[6] Hukki,R.T.:Mine Quarry Eng.,1958,24,304.
[7] Hukki,R.T.:Min.Eng.,1958,10,581.
[8] Hukki,R.T.:International Mineral Processing Congress,(IMM,London,1960) ,p.7.
[9] Gow,A.M.:Trans.AIME,1934,112,24.
[10] Rose,H.E.,Sullivan,R.M.:Ball,Tube and Rod Mills,(Constable and Company,London,1958) ,p.42.
[11] #12
[12] #12
[13] Tanner,H.,Heikkinen,T.:Progress in Mineral Dressing,(Almqvist & Wiksell.,1958) ,p.123.
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