Rely on our proven track record of SAG and AG Mill superiority Since the early 1980s, we have been designing and manufacturing Semi-Autogenous (SAG) and Autogenous (AG) Grinding Mills under the Fuller-Traylor brand Semi-autogenous grinding uses a minimal ball charge in the range of 6-15% while autogenous grinding uses ore only

Get PriceSince the days of mandatory high cost pilot plant testing in 6 ft × 2 ft SAG mills autogenous griding/semi-autogenous grinding (AG/SAG), mill speci c energy is now calculated by various ﬁ empirical formulae and pilot testing carried out in small laboratory mills,

Get Price3 Autogenous and semiautogenous mills 3 Ball mills 3 Rod mills 3 Scrubbers 3 Lime slaking machines Wet grinding Dry grinding 3 AEROFALL mills 3 Ball mills 3 Rod mills 3 Separators 3 Dryers 3 ® POLYCOM high-pressure grinding rolls 3 Roller mills As one of the world’s leading companies in the plant engineering field, ThyssenKrupp

Get PriceXinhai efficient autogenous mill can achieve two and three stage crushing, part or all crushing of ball mill and rod mill, it is suitable for the coarse grinding after coarse crushing Finally, in the actual production, Xinhai efficient autogenous mill ,

Get PriceAutogenous and semiautogenous mills have been very successful on relatively soft uranium ores where the values are frequently found in the material that cements together the sandstone grains Autogenous Circuits When an ore is hard and competent, it is always possible it might make good "pebbles" that could be used for fine grinding media

Get PriceJan 01, 2016· The designs of autogenous and semi-autogenous (SAG) grindings mills are described followed by the description of their methods of operation in grinding circuits involving crushers and ball mills Methods of estimating SAG mill volumes, mill ,

Get PriceEvery mining operation has a unique grinding process Variable needs require versatile grinding equipment Outotec offers flexible autogenous (AG) mills, semi-autogenous (SAG) mills, ball and pebble mills, as well as stirred mills to fit your needs

Get PriceGrinding is easily enabled in autogenous mills by attrition Also, autogenous mills have grate discharges, so as to retain the coarse grinding media in the mill while dispatching the fine particl The other benefits of using autogenous grinding ,

Get PriceSemi-autogenous grinding (SAG) and autogenous grinding mills are used for grinding large chunks of materials into smaller pieces which can be later used for processing Such mills are used in the primary stage of grinding ,

Get PriceThe MacPherson Autogenous Grindability Test is a continuous test performed in an 18” (46cm) semi-autogenous mill, with an 8% ball charge and controlled by sound at 25% mill charge level At test completion, the products are submitted for particle size analysis, and the mill ,

Get Price868 autogenous mill grinding products are offered for sale by suppliers on Alibaba, of which mine mill accounts for 4%, grinding equipment accounts for 1%, and feed processing machines accounts for 1% A wide variety of autogenous mill grinding ,

Get PriceThe two main character of an Autogenous Mill eg size reduction which occurs through the detachment of material from the surface of larger particles (referred to as 'abrasion') and the grinding ,

Get PriceFeb 27, 2017· High-efficiency autogenous mill can realize the second and third stage #crushing and screening, and part or all crushing and #grinding of rod mill or ball mill Low power consumption, no dust ,

Get PriceJan 29, 2020· Their Mill Lining design is continuously improved as wear performance is simulated and monitored Tega uses EDEM software to simulate the operation of their autogenous mills as it enables them to increase the mill’s capacity and throughput, improve grinding efficiency, reduce mill down time and lower the liner cost per ton of grind

Get Pricepart of gold recovery requiring crushers, large diameter semi-autogenous grinding (SAG) mills and ball mills with up to 12,000 kW motors Ore grinding can account for 60% of a site’s electrical power load and more than 35% of the operation’s greenhouse gases (GHG) as measured in tonnes of CO 2 ,

Get PriceAn autogenous grinding mill may receive a coarse run of mine rock feed and discharge it as a finished ground sand or slime product In order to efliciently break down the rock the mill must provide both impact and attrition forc In mills with substantially smooth linings and operating at sub-critical or super-critical speeds the power ,

Get PriceWet autogenous mills of MMS type are designed for grinding of ferrous and non-ferrous metal ores, raw materials, cement industry, diamond and gold containing or MMS type mills are generally used for primary grinding Use of large mills allows excluding the crushing stage

Get PriceGrinding is easily enabled in autogenous mills by attrition Also, autogenous mills have grate discharges, so as to retain the coarse grinding media in the mill while dispatching the fine particl The other benefits of using autogenous grinding include – reduction of metal wear, and elimination of secondary and tertiary crushing steps

Get PriceA wet autogenous mill that materials as grinding media Cylinder Energy Saving Overflow Ball Mill A overflow ball mill with rolling bearings, high efficiency and energy saving Raymond Mill Raymond Mill has a strong performance of becoming a complete set with a production system independently Crushing & ,

Get PriceMetallurgical ContentIntermediate Autogenous GrindingAutogenous Grinding ExplainedTest ConditionsGrinding Characteristics of Short Mill Versus Long MillObservations and Recommendations The third type of mill that I mentioned was an AUTOGENOUS MILL, this type of mill uses a completely different type of grinding media; the rock itself In conventional milling, the ore is crushed to, plus or ,

Get PriceThe efficient autogenous mill uses the crushed material in the barrel body as the grinding medium, which continuously impacts and grinding to achieve the purpose of grinding Sometimes, in order to improve the processing capacity of the autogenous mill, a small number of steel balls can be appropriately added, usually accounting for 2-3% of the ,

Get Pricemain components of a semi autogenous grinding mill SAG is an acronym for Semi-Autogenous Grinding SAG 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 SAG mills ,

Get PriceThe mill power draw, throughput and product size distribution are used to compute a specific energy input and the MacPherson autogenous work index (AWI) Although the importance to achieve steady-state in a grinding test is widely accepted (Bond tests), the MacPherson test remains the only small-scale AG/SAG mill ,

Get PriceDec 23, 2013· Autogenous mill is a self-grinding mill which is used in breakage of larger rocks SAG (Semi-Autogenous Grinding) mill is an autogenous mill which uses grinding balls, it is similar to ball mill but has large diameter and short length Vertical mill is used in grinding material at smaller particle sizes, which is used after ball mill

Get PriceGrinding mills in which comminution takes place without grinding aids are known as autogenous grinding (AG) mills or fully autogenous grinding (FAG) mills These mills use large lumps of rock as the grinding media Mills that use intermediate size rock or pebbles as a grinding medium are also autogenous mills but are known as pebble mills ,

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 28 MW motor

Get Pricesupported grinding mills up to the largest siz SAG/ball mill circuit incorporating pebble crushers and a POLYCOM® high-pressure grinding roll SAG and ball mill for gold ore grinding One of three SAG mills with 975 m diameter and 2 x 4000 kW drive power These mills operate in conjunction with ball mills for iron ore grinding in Iran

Get PriceDesigned for autogenous or semi-autogenous grinding, the 6′ X 2′ continuous feed Autogenous or Semi-Autogenous Mill may be used as a pilot plant to determine the size for larger mills or for small ,

Get PriceSep 17, 2020· “ Primary Autogenous Grinding – A Study of Ball Charge Effects,” by Turner, R R, 1979, Autogenous Grinding Seminar, Trondheim The paper is not readily available but summarized well in his Chapter 25, “Selection and Sizing of Primary Autogenous and Semi-Autogenous Mills,

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