how to calculate sag mill ball charge

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  • Optimum choice of the make

    Optimum choice of the make-up ball sizes for maximum throughput in tumbling ball mills , For the same amount of ball charge, the number of balls in the mill decreases as the ball size increas , A regression analysis of all parameters yields an equation that can be used to calculate the optimum composition of the make-up balls as a ....

  • TECHNICAL NOTES 8 GRINDING R P King

    steel balls in a ball mill, or large lumps of ore in an autogenous mill or a mixture in a semi-autogenous mill, as well as the slurry that makes up the operating charge Let Jt be the fraction of the mill volume that is occupied by the total charge, Jb the fraction of the mill volume that is occupied by steel balls and E the voidage of the balls...

  • ball charge machine for mills

    ball charge machine for millsball charge machine mill ball charge machine for millsball charge machine mill; End Mills 2 Flute Ball Nose End Mills Solid Carbide Ball 2 Flute Ball Nose End Mills great for speedy and rigid Inc, being a professional manufacturer of various cutting tools, is endeavoring Get Price...

  • Ball Mill Design/Power Calculation

    Ball Mill Power Calculation Example A wet grinding ball mill in closed circuit is to be fed 100 TPH of a material with a work index of 15 and a size distribution of 80% passing ¼ inch (6350 microns)...

  • A Method of C alculating Autogenous/ Semi

    stage ball mills, rod mills or AG/SAG mills when calculating power according to the Bond Third Theory method Rod mill and AG/SAG mill products are similar and tend to be not as steep as a 05 slope when plotted on log-log paper This is because the particle size distribution (PSD), these mills...

  • Mill (grinding)

    SAG is an acronym for semi-autogenous grinding SAG mills are autogenous mills that also use grinding balls like a ball mill A SAG mill is usually a primary or first stage grinder SAG mills use a ball charge of 8 to 21% The largest SAG mill is 42' (128m) in diameter, powered by a 28 MW (38,000 HP) motor...

  • Calculate Ball Charge Ball Mill

    How To Calculate Ball Charge In Sag Mills Protable Plant calculate ball charge ball mill Description : Get Price Ball mill Wikipedia The ball mill is a key , Aside from common ball mills there is a second type of ball mill called a planetary ball mill Planetary ball mills are smaller than ....

  • Ball Mill Design/Power Calculation

    Ball Mill Power Calculation Example A wet grinding ball mill in closed circuit is to be fed 100 TPH of a material with a work index of 15 and a size distribution of 80% ,...

  • MATERIAL RETENTION TIME IN A BALL MILL & VRM

    Aug 11, 2010· Re: MATERIAL RETENTION TIME IN A BALL MILL & VRM You could do that by measuring the material flowrate Q[tons/h] through the mill as well as the quantity M[tons] of material that accumulates within the mill The retention time, ,...

  • Difference Between Sag Mill vs Ball Mill

    Oct 12, 2017· SAG mill make use of steel balls included with some large and hard rocks for grinding These mills utilize the balls in making the large fragments of materials broken into piec The 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...

  • CALCULATION OF BALL MILL GRINDING EFFICIENCY

    Mar 08, 2013· calculation of ball mill grinding efficiency dear experts please tell me how to calculate the grinding efficiency of a closed ckt & open ckt ball mill in literatures it is written that the grinding efficiency of ball mill is very less [less than 10%] please expalin in a n excel sheet to calcualte the same thanks sidhant reply...

  • Ball charges calculators

    - Ball top size (bond formula): calculation of the top size grinding media (balls or cylpebs):-Modification of the Ball Charge: This calculator analyses the granulometry of the material inside the mill and proposes a modification of the ball charge in order to improve the mill efficiency:...

  • Calculate ball mill charge

    Calculate Ball Mill Charge Kwikkutcoza easurement system of the mill charge in grinding ball Mill charge in grinding ball mill circuits 1335 The signal from the receivers is sent to the control room The frequency signal is further processed in a microprocessor control card based on an INTEL 80196 microcontroller and finally displayed as...

  • ball charge machine for mills

    ball charge machine for millsball charge machine mill ball charge machine for millsball charge machine mill; End Mills 2 Flute Ball Nose End Mills Solid Carbide Ball 2 Flute Ball Nose End Mills great for speedy and rigid Inc, being a professional manufacturer of various cutting tools, is endeavoring ,...

  • Calculate ball charge ball mill

    Calculate ball mill charge levendlandgoednl Calculate Ball Mill Grinding Capacity A Total Apparent Volumetric Charge Filling including balls and excess slurry on top of the ball charge plus the interstitial voids in between the balls expressed as a percentage of the net internal mill volume inside liners...