howto calculate ball charge in sag mills

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...

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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...

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Best way to determine the ball

Best way to determine the ball-to-powder ratio in ball-milling? , The maximum power draw in ball mill is when ball bed is 35-40 % by volume in whole empty mill volume , How to decrease ....

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Autogenous and Semi

intermediate size ready for final grinding in a ball mill, pebble mill, or VERTIMILLTM Wet grinding is accomplished in a slurry of 50 to 80 percent solids AG/SAG mills can accomplish the same size reduction work as two or three stages of crushing and screening, a rod mill, and some or all of the work of a ball mill...

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volume calculation for ball mill

volume calculation for ball mill - samassociatcoin How to Handle the Charge Volume of a Ball Mill or Rod Mill , How to Handle the Charge Volume of a Ball , a handy relationship known as Gauss's Law may be used to Chat Now; formula of ball mill volume - nvsiprintin...

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A Method of C alculating Autogenous/ Semi

SAG mills mimic the same shortcoming It follows that in order to obtain the specifi c energy (SE) to achieve a certain transfer size, based on the 80 per cent passing value, an ineffi ciency factor must be applied to the SE of single stage ball mills, rod mills or AG/SAG mills when calculating power according to the Bond Third Theory method...

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sag mill optimum charge size

Calculation Of Sag Mill Weight From Bearing Pressur how can i calculate optimum charge for cement mill BINQ Mining how to calculate the ball mill discharge size distribution The Copper Mountain SAG mill is 10363 mm 200 mesh solids by weight Size Microns Rod Mill Discharge 5 water discharge rate, ball throughput, bearing pressure Get Price...

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Ball Mill Charge Calculation

how to calculate charge in ball mill Description : Calculations for mill motor power, mill speed and media charge L = Internal length of the mill in cms after lining how to calculate sag mill ball charge BINQ Mining Jan 01, 2013 TechnoMine Services, LLC mill charge and speed SAG Mill product P80 values , currently utilized to design ....

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How to calculate ball/sag mill charge level?

How do you determine the charge level in a SAG mill and/or a ball mill (balls+pulp+rocks) and the interstitial space? , How to calculate ball/sag mill charge level? (1 reply) JuniorMet 6 months ago JuniorMet 6 months ago...

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3D Animation Demo & working site of Ball Mill

Nov 12, 2014· 3D Animation Demo & working site of Ball Mill Henan Bailing Loading, Unsubscribe from Henan Bailing? Cancel Unsubscribe Working, Subscribe Subscribed Unsubscribe 171K...

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ball mill sizing calculation

how to calculate capacity of ball mill kitsunedesignsbe Calculate Ball Mill Grinding Capacity Calculate Ball Mill Grinding Capacity View Larger Image The sizing of ball mills and ball milling circuits from laboratory grinding tests is largely a question of applying empirical equations or factors based on accumulated experience...

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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)...

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Making a Ball Mill

Mar 31, 2018· The milling of the materials is a very useful procedure in various domains in life as well as in the constructive domain Click HERE to subscribe to Make i....

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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:...

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MATERIAL RETENTION TIME IN A BALL MILL & VRM

Aug 11, 2010· material retention time in a ball mill & vrm dear all can anybody suggest me how to calculate the material retention time in a closed circuit ball mill in each compartment? similarly for a vertical mill what is the use to calculate the same? is it helpful for ,...

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Ball Mill Critical Speed & Working Principle

Jun 20, 2015· The effect of Ball Mill RPM speed going from sub-critical to super-critical helps understand the Ball Mill Working Principles of ball-on-ball VS ball-on-shell grinding The Motion of the Ball Charge...

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Grinding mills

offers AG mills, SAG mills, ball and pebble mills, and stirred mills to your needs By continuing to use the site, you agree to the use of cooki You can find out more by reading our cookie policy By continuing to use the site, you agree to the use of cooki You can find out more by ,...

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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 ....

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