If you have done proper test work and assumed your Work index is as you provided above quickly I can estimate that your SAG throughput is around 517 t/h and if the total % of mill charge is 25 % of the total mill volume, then you can assume the following assumption ie mass proportion of grinding body to ore be 15% steel balls and 10 % ore (15:1) this means 1ton/h of ore requires 15 tons/h .
Get PriceSAG Mills and spar 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 Attrition between grinding balls and ore particles causes ,
Get PriceIn ball milling applications, the diameter of the balls, mill and throw action of the charge provides a low-impact environment– hence maximum abrasion resistance of steel balls is the desired characteristic CHEMISTRY & HARDNESS High carbon content and high hardness levels affect abrasion resistance in steel balls
Get PriceSAG mills are essentially autogenous mills, but utilize grinding balls to aid in grinding like in a ball mill A SAG mill is generally used as a primary or first stage grinding solution The SAG mills use a minimal ball charge of 6 to 15% SAG mills can be as large as 42' in diameter, with up to a ,
Get PriceGrinding balls for mining are generally used to break down secondary materials such as rock, cement and stone during the extraction of ores and metals AISI steel grinding balls for ball mill applications typically have a tolerance of ±005/±010 and a density of 770 to 795 Exceptions include Al series 1XXX and Al 6061 which have the same .
Get Price02-07-2021· Usually the volume of steel balls in the total charge volume does not exceed 10% A SAG mill may also be viewed as a special case of a ball mill (Stanley, 1987) SAG milling is commonly used for primary grinding The reasons are low operating cost, the increasing need to process large amounts of low-grade ore, their ability to process crushed .
Get Price01-07-2015· Tumbling mills for size reduction with either steel rods (rod mills) or balls (ball mills), or sized ore (AG & SAG mills) as the grinding media used ,
Get Price06-10-2016· Steel balls for grinding are produced in a range of 60-100mm diameter They are used in ore grinding mills, such as SAG (Semi Autogenous Grinding) mills when it is for initial grinding or ball mills for regrinding The most common applications of these steel balls ,
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Get Price(75 – 100 mm) diameters Ball mill balls experience a greater number of impacts, but at lower magnitude than SAG mill balls, due to the smaller ball size, and smaller mill diameter Feeds are typically highly abrasive, contributing 10 – 15 µm/hr wear for softer ores and 20 µm/hr for abrasive gold, copper
Get Price26-11-2019· The biggest characteristic of the sag mill is that the crushing ratio is large The particle size of the materials to be ground is 300 ~ 400mm, sometimes even larger, and the minimum particle size of the materials to be discharged can reach 01 mm The calculation shows that the crushing ratio can reach 3000 ~ 4000, while the ball mill,
Get Pricemagnesite high energy ball mill steel balls for sag magnesite high energy ball mill steel balls for sag High energy ball milling matrix reinforcement hard phase nanostructure HVOF wear resistance cermet shaker mills planetary ball mills are only designed for processing of laboratory scale amounts and also up powders hardened steel balls have .
Get Price26-11-2019· The biggest characteristic of the sag mill is that the crushing ratio is large The particle size of the materials to be ground is 300 ~ 400mm, sometimes even larger, and the minimum particle size of the materials to be discharged can reach 01 mm The calculation shows that the crushing ratio can reach 3000 ~ 4000, while the ball mill’s .
Get PriceDry Grinding Of Iron Ore In Ball Mills Creating steel from low-grade iron ore requires a long process of mining crushing Each primary mill contains several 4" steel balls that grind the ore as the mills turn When to the traveling grate furnace for further drying and preheating Read more #1 Similarities between Ball Mill and Sag Mill 1
Get PriceSAG mills use a ball charge of 8 to 21% [6] [7] The largest SAG mill is 42′ (128m) in diameter, powered by a 28 MW (38,000 HP) motor [8] A SAG mill with a 44′ (134m) diameter and a power of 35 MW (47,000 HP) has been designed [9] Attrition between grinding balls and ore particles causes grinding of finer particl
Get PriceCrushed ore is fed separately to two SAG mill, 7 m by 23 m with a design capacity of 95 tph, actual thoughput of 100 tph and the maximum capacity is130 tph The increase in capacity to the design capacity was achieved by the introduction of rubber liners to the mill and the addition 100 mm steel balls
Get Pricemagnesite ball mill steel balls for sag mill ore gr SAG is an acronym for semiautogenous 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 38000 HP motor
Get Pricerespect with SAG mills being increasingly less sensitive as the ball charge is increased (Morrel S and Valery W, 2001) 22 EFFECT OF FEED SIZE DISTRIBUTION ON SAG MILLING The qualitative effect of changes in particle size distributions (PSD) on the SAG mill performance can be addressed by using the grind curv
Get PriceSteel balls for grinding are produced in a range of 60-100mm diameter They are used in ore grinding mills, such as SAG (Semi Autogenous Grinding) mills when it is for initial grinding or ball mills for regrinding The most common applications of these steel balls ,
Get PriceModelling Sag Milling Power And Specific Energy 2017-12-14 inside the mill and it is composed of balls ore and water The ball charge is a function of the bulk fraction of the S mill volume Jb occupied by balls; the ore retained in the mill is the result of the volumetric filling which depends on the ore sie distribution spe-cially the 600 .
Get Pricemagnesite ball mill steel balls for sag mill ore gr magnesite high energy ball mill steel balls for sagHigh energy ball milling matrix reinforcement hard phase nanostructure HVOF wear resistance cermet shaker mills planetary ball mills are only designed for processing of laboratory scale amounts and also up powders hardened steel balls have .
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Get Price29-11-2017· SAG mills use a ball charge of 8 to 21 6 7 The largest SAG mill is 42 (128m) in diameter powered by a 28 MW (38 000 HP) motor 8 A SAG mill with a 44 (134m) diameter and a power of 35 MW (47 000 HP) has been designed 9 Attrition between grinding balls and ore get price
Get PriceThe geometry of a mill with conical ends is shown in Figure 86 The total volume inside the mill is given by Vm 4 D2 mL 1 2(Lc L) L 1 (Dt/Dm) 3 1 Dt/Dm (816) The density of the charge must account for all of the material in the mill including the media which may be steel balls in a ball mill, or large lumps of ore ,
Get PriceSag Millr Copper Ore Afrique Du Sud Grinding Semiautogenous grinding SAG mill liner design and development D Royston softer ore should lead to high mill Vérifier le prix grinding steel slag mill china samac gold ore crushing and grinding line SAMAC Small scale gold ore washing machine used in gold ore mining The YM series of pregrinding mill is designed with a simple vertical
Get Price02-08-2013· Based on his work, this formula can be derived for ball diameter sizing and selection: Dm
Get Pricemagnesite ball mill steel balls for sag mill ore gr ball mill is a fine grinder a horizontal or vertical rotating cylinder which is filled partially with the balls of ceramics, small rocks and balls made from stainless steel the ball charge of a sag mill is about 29 to 30 by friction and influence of tumbling balls inside rotating cylinder grinds the raw material to the required fineness
Get Price12-10-2017· 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
Get PriceWe have magnesite ball mill steel balls for sag mill ore gr,Ball Mill an overview ScienceDirect Topics The ball mill accepts the SAG or AG mill product Ball mills give a controlled final grind and produce flotation feed of a uniform size Ball mills tumble iron or steel balls with the ore The balls are initially 5–10 cm diameter but gradually wear away as grinding of the ore proceeds More Details
Get PriceAlumina Balls and Satellit Union Process is the one source for 90%, 94%, 995% and 999% alumina media 90% alumina is available in satellites and rod/cylinders 94% alumina balls have excellent wear resistance with higher impact strength to save running costs with less contamination They have great wear rate generally better than 90% or 99 .
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