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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.

sag mill discharge diameter Grinding Mill China. We have supplied rubber pulp lifters for AG/SAG Mills up to 38 ft in diameter We are pioneers in design of both radial and curved pulp lifters Learn More . More Info

Gearless mill drive (GMD) technology has further expanded the use of large SAG milling allowing Outotec to produce the world's largest SAG mill of 42' in diameter drawing power at 28 MW. Today, Outotec is the world leading supplier of gearless SAG mills operating globally. Get Price

Grinding Mill Specifications Data According to formula 423/√d, where d is equal to internal shell diameter within new liners In this case the thickness used was 60 mm for small mill sizes up to and including and 80 mm for larger mills. Chat Online; technical specifications for sag mills.

as sag mills up to 40 ft in diameter drawing 18 MW. Ball mill data sets number 59 and a histogram of the diameters of these mills is given in Figure 1. Since 1996 the author has made a …

SAG mill circuit No. of mills # 1 SAG mill motor power installed kW 28,000 Motor type Gearless Mill manufacture FL SAG mill dimensions diameter 40 ft (12,192 m) length 26 ft (7,924 m) Mill direction Bi-directional Mill speed – range % critical 0-80 Mill speed – nominal % critical 76 SAG mill specific energy kWh/t 6.6

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The SAG mill is 26 diameter x 12 3 EGL and powered by 4 500 HP motor driven by a variable speed LCI drive that can control the mill speed from 36 to 80 of critical speed depending on ore type and operational demands . Fuller Sag Mill Item S738506 YouTube

sag mills for iron ore – Grinding Mill ChinaSag mill 42 feet diameter iron ore Gulin Machinery Design of the 40 foot SAG Mill Installed at the Cadia Gold Copper … Oct 6, 2010 …foot sag mi&sag mill feet diameter iron ore

S mill HOT mining A leading professional mining . The running largest S mill is more than 13 meters in diameter, the full automatic control of the S mill has already been developed and applied, and now it is being gradually accepted and used in gold industry Technical Parameters of S Mill The capacity of the S mill is related to lots of factors such as feed size, size distribution, …

Enter the width of a mill shell liner. Note this is not the width of a lifter! You may use the Mill Liner Effective Width calculation to determine this value. The mill critical speed will be calculated based on the diameter (above) less twice this shell liner width.

mining sag mill diameter . SAG Mill Grinding Circuit Design 911metallurgist. SAG mill HOT mining |A leading professional mining. The running largest SAG mill is more than 13 meters in diameter, the full automatic control of the SAG mill has already been developed and applied, and now it is being gradually accepted and used in gold industry.

1 CONGA: THE WORLD'S FIRST 42 FOOT DIAMETER 28 MW GEARLESS SAG MILL T. Orser1, V. Svalbonas 2 and *M. Van de Vijfeijken 3 1Newmont Mining Corporation 10101 East Dry Creek Road Englewood, CO 80112, USA 2Metso Corp. 2715 Pleasant Valley Rd.

ZJH Minerals is professional manufacturer for the SAG mills of diameter less than 10m. It is widly used for grinding of the non-ferrous ore and the black ore and the nonmetal ores. SAG mills are especially suitable for grinding the ores …

Sag Mills Powered. SAG mills use a ball charge of 8 to 21%. [6] [7] The largest SAG mill is 42′ (12.8m) in diameter, powered by a 28 MW (38,000 HP) motor. [8] A SAG mill with a 44′ (13.4m) 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 particles.

LG A mill power equation for SAG mills. Minerals and Metallurgical Processing. Feb 1990 pp57-62. Gross power No load power Net power drawn by the charge (8.13) The net power is calculated from Net power KD2.5L e! c./ Watts (8.14) In equation 8.14, D is the diameter inside the mill liners and Le is the effective length of the mill including the ...

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 0.1 mm.

SAG mills (semi-autogenous grinding mills) TON. Gearless mill drive (GMD) technology has further expanded the use of large SAG milling allowing TON to produce the world's largest SAG mill of 42' in diameter drawing power at 28 MW. Today, TON is the world leading supplier of gearless SAG mills operating globally.get price

SAG mills use a ball charge of 8 to 21. The largest SAG mill is 42′ 12.8m in diameter powered by a 28 MW 38000 HP motor. A A SAG mill with a 44′ 13.4m diameter and a power of 35 MW 47000 HP has been designed. Attrition between grinding balls and ore particles causes grinding of finer particles.

PDF | On Sep 1, 2001, R. Dunne and others published Design of the 40 foot diameter SAG mill installed at the Cadia gold copper mine | Find, read and cite all the research you need on ResearchGate

History. The SAG mill model by proposed by Leonard Austin (1990) was largely based on modifications of earlier tumbling mill models by Hogg & Fuerstenau and F. Bond. The model uses a kinetic-potential energy balance to describe the power draw of a mill charge. Many geometric components of the earlier models were fit to empirical relationships measured by Austin.

Some dry autogenous mills operating in Canada are 85 m in diameter and 15 m in length These are known as Aerofall mills The Cadia Hill Australia wet SAG mill is 122 m in diameter with a 20 MW motor and in was the largest diameter mill in operation in the world . Get Price

can sag mill and ball mill have the same dimensions - … · AG, SAG and Ball Mills of Cantilever Type and Summary Tables … SAG and Ball Mills of Cantilever Type … their size can be smaller than the … cantilever mill is by 10-20% lower than a conventional mill of the same …

The 42ft diameter SAG mill is the world's largest and the first of its kind. The Conga project is at its feasibility stage, and with the engineering and release for fabrication of these mills, Newmont seeks to maintain the option of proceeding with the Conga project with an accelerated schedule.

Rethinking the value of mill relining Then, in the late s when the price of copper rose quickly from a low of $062/lb to a high of $162/lb, this substantial increase in price further fuelled the industry demand for larger diameter SAG mills, with mill power quickly doubling from 15,000hp to 30,000hp (11,000-22,000kW).

Single stage SAG Mills are very beneficial in reducing CAPEX for plants with a staged throughput approach. When future tonnage is to be increased, the SAG Mill can feed downstream ball milling to boost capacity. Fuller-Traylor SAG/AG Mills range in size from 4.3m through 12.2m in diameter with powers as high as 28,000 kW.

SAG Mill Grinding Circuit Design. Jun 06, 2016· The ratio of the trunnion thickness to trunnion diameter in a mill of 2,134 m diameter is almost twice that of a mill of 5,8 m diameter, i.e. a ratio (T/D) of 0,116 to 0,069 for the large mill.

mining sag mill diameter S Mill Grinding Circuit Design 911metallurgist 06/06/2016 Common convention generally refers to highaspect ratio mills as S mills (with diameter to effective grinding length ratios of 3:1 to 1:1), lowaspect ratio mills (generally, a mill with a significantly longer length than diameter) are also worth noting

Gearless mill drive (GMD) technology has further expanded the use of large SAG milling allowing Outotec to produce the world's largest SAG mill of 42' in diameter drawing power at 28 MW. Today, Outotec is the world leading supplier of …

Semi-autogenous grinding mills (SAG mills) are tumbling mills that most commonly have a shell diameter-to-length ratio of around two. With this high aspect ratio, SAG mills generate both thrown and cascading ball-milling actions with shell linings shaped to lift and to throw alloy steel grinding balls of up to 150 mm (6 in.) in diameter. These

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