# Sagmill Work Inde

### Equipment Specification Sheet: SAG Mill

Equipment Specification Sheet: SAG Mill Specific Gravity tonnes/m3 Ball Mill Work Index metric P 80 88 µm Primary Grind P 80 43 µm Production Rate tonnes/hour Rod Mill Work Index metric Ball Mill Work Index metric Feed to SAG Mill 80% passing 150 mm Product from SAG Mill 80% passing 1000 µm SAG Mill Pinion Power 1155 kW

Get Price### sag mill and ratio of bond ball and rod work

sag mill and ball mill . the maximum reduction ratio of sag mill_ Effective liberation David Brown Gear Systems Ltd has developed the world's largest cone crusher, and done using the . ... It is a frequency work to maintain and repair ball mills, AG mills and SAG mills ...

Get Price### COMMINUTION ‘10 SAGDesign

ball mill work index (13 kWh/t) had SAG hardness as low as kWh/t in one case (Aurora) and up to 34 kWh/t in the other case where NICO data was reported in January 2010 at the CMP in Ottawa. This proved that a Bond BM Wi alone must never be used for designing a SAG mill.

Get Price### Ball Mill Design/Power Calculation

The basic parameters used in ball mill design (power calculations), rod mill or any tumbling mill sizing are; material to be ground, characteristics, Bond Work Index, bulk density, specific density, desired mill tonnage capacity DTPH, operating % solids or pulp density, feed size as F80 and maximum ‘chunk size’, product size as P80 and maximum and finally the type of circuit open/closed ...

Get Price### Calculate a Mill's Operating Work Index

Use this online formula to calculate a Ball Mill, Rod Mill or SAG Mill Operating Work Index. Based on Fred Bond’s work you can estimate the energy used into your grinding circuit. This is the most accurate and informative method, but much of the data necessary for its application is not yet available. A) Total Apparent Volumetric Charge Filling – including balls and excess slurry on top of ...

Get Price### Application of Operating Work Indices in Autogenous ...

the operating work index calculated for the AG/SAG section (AWio) for finer transfer sizes is more representative of the work done by the AG/SAG mill (right graph). This figure is quite diagnostic of the problem discussed in this paper. It shows that the actual AG/SAG operating work index can be significantly biased,

Get Price### bond ball mill work index database jktech

bond s rod mill for work index using Bond rod mill work index (RMWI), and Bond ball mill work index (BMWI) However, the author has developed a relationship between the Bond third theory SE values and the AG/SAG SE values to enable the additional power required for AG/SAG milling to be determined..

Get Price### SAG Mill Grinding Solutions Ltd

SAG Mill. Grinding Solutions offers the following tests for SAG mill testing and/or sizing. JKTech Drop Weight. The JKTech DropWeight Test measures the breakage characteristics of an ore for five size fractions in the range of 13 to 63 mm, at various energy inputs ( to kWh/t).

Get Price### how does the sag mill works

SAG mill operation is , SAG Mill Grinding Circuit Design , Simple repeatable work index tests are usually sufficient for rod mill and ball mill tests but . More Info; Reprint from International Mining, January 2015 , Mount Milligan mill drives Sophisticated grinding technology and services at work , mill drive (GMD) for the SAG mill, and two 13

Get Price### working of ball mill and sag mill

work indices for the AG/SAG mill and ball mill can be reorganised as [7] and [8], where B'Wio and A'Wio are the corrected operating work indices and WAG/SAG, WBM are the respective power draw of AG/SAG and ball mills. Note that the ball mill operating work index is applied only on the portion that needs the additional grinding (Q2), Check price

Get Price### How does a sag mill work Henan Mining Machinery Co., Ltd.

How does a sag mill work qlifebe. sag mill gmd how does it work BINQ Mining Mill grinding Wikipedia, the free encyclopedia Wi is the work index measured in a laboratory ball mill It is similar in operation to a SAG mill as described below but does not use steel balls in the mill More detailed Contact Supplier

Get Price### INCREASING SAG MILL CAPACITY AT THE COPPER …

INCREASING SAG MILL CAPACITY AT THE COPPER MOUNTAIN MINE THROUGH THE ADDITION OF A PRECRUSHING CIRCUIT . ... INCREASING SAG MILL CAPACITY AT THE COPPER MOUNTAIN MINE THROUGH THE ADDITION OF A PRECRUSHING CIRCUIT. ... high Bond work index results provided some frame of reference when the hardness of the ores at Copper

Get Price### Sagmill Work Inde

working of ball mill and sag mill sag mill work index . sag mill and ratio of bond ball and rod work index. SAG Mill Testing Test Procedures to Characterize, design a primary ball mill from a rod mill work index rather, carried out with the Bond ball mill and rod mill, low ball mill hardness, while low ratios.

Get Price### Ball mill Wikipedia

The ball mill is a key piece of equipment for grinding crushed materials, and it is widely used in production lines for powders such as cement, silicates, refractory material, fertilizer, glass ceramics, etc. as well as for ore dressing of both ferrous and nonferrous metals. The ball mill can grind various ores and other materials either wet or dry.

Get Price### USING THE SMC TEST® TO PREDICT COMMINUTION …

USING THE SMC TEST® TO PREDICT COMMINUTION CIRCUIT PERFORMANCE ... can be used to conduct AG/SAG mill and crusher circuit simulations through the use of JKSimMet. Independent of this it can be used in powerbased calculations, which in conjunction with the Bond ball work index test, enable the prediction of the specific energy of comminution ...

Get Price### Comparison of Ore Hardness Measurements for Grinding Mill ...

Comparison of Ore Hardness Measurements for Grinding Mill Design for the Tenke Project John Starkey1, Principal Consulting Engineer ... Ball Mill Work Index tests using crushed feed, and Standard Autogenous Grinding Design ... the Rod Mill Wi is probably irrelevant in …

Get Price### what is the difference between a sag mill and a ball mill

As such, primary ball mills should be designed with the rod mill work index, and singlestage ball mills should be with both the rod mill and ball mill indices. This is because it is common to observe a difference (sometimes significant) between the rod mill and ball mill index values for a given ore type (McKen, Verret, Williams, 2006).

Get Price### NexGen Announces Positive Results from Arrow Project ...

Mill work index measurements: Five composite samples were prepared from full diameter NQ core for comminution testing, including SAG mill work index and Bond Ball mill work index "SAGDesinTM tests ...

Get Price### SAG Mill Operating Work Index Grinding Classification ...

A SAG mill operates with a 10000 hp motor. Typical power draw is 80% of maximum. The 80% passing feed size to the mill is 5 inches and the mill discharge has an 80% passing size of How do i calculate the Operating Work Index for this mill if the feed tonnage rate is 1200t/h?

Get Price### Metallurgist Mineral Processing Engineer

For its extensive practical experience, 911 Metallurgist has a clear understanding of what successful mineral processing engineering is and how to go about achieving goal is the production of a material that is marketable and returns you and your investors sustainable revenues.

Get Price### Mill (grinding) Wikipedia

A mill is a device that breaks solid materials into smaller pieces by grinding, crushing, or cutting. Such comminution is an important unit operation in many are many different types of mills and many types of materials processed in them. Historically mills were powered by hand (, via a hand crank), working animal (, horse mill), wind or water ().

Get Price### SAG Mill Grinding Circuit Design

including a 32 ft SAG mill, being put on hold. This mill has been operating inefﬁ ciently due to the hard coarse feed. The rod mill work index has not been de ned as yet. The ball ﬁ mill work index is con rmed at 16 kWh/t. The operating ﬁ work index, though, is in the range of 21 kWh/t to 25 kWh/t showing high inefﬁ ciency.

Get Price### Testwork: SAG grindability index

The SAG Grindability Index (SGI) test, or alternatively the trademarked SAG Power Index (SPI), is a SAGspecific test involving a small batch SAG mill that is charged with a two kilogram ore sample and ground until the product has achieved an 80% passing size of mm.

Get Price### Bond Work Index Tests Grinding Solutions Ltd

Bond Work Index Tests. Grinding Solutions offers a range of Bond Work Index Testing from crushability and abrasion to ball and rod mills. For more information on the tests please see below: Bond Low Energy Impact Test. The Bond LowEnergy Impact test can be used to determine the Crusher Work index (CWi), also known as the Impact Work Index.

Get Price### sag mill gmd how does it work BINQ Mining

Mill (grinding) – Wikipedia, the free encyclopedia. Wi is the work index measured in a laboratory ball mill … It is similar in operation to a SAG mill as described below but …

Get Price### PAI SAG Mill Training YouTube

Jan 08, 2016· In this training module, we'll cover the workings of a semiautogenous grinding mill, or SAG mill, that's designed to be the first stage of a grinding circuit. Ore that’s crushed in a primary ...

Get Price### AMIT 135: Lesson 7 Ball Mills Circuits – Mining Mill ...

A function of the work index of the material. Bond developed an express ion to quantify mill shaft power based on data from a number of laboratory and industrial ball mills: P↓S = ↓B Φ↓c (↓B)ρ↓b LD↑ ( / 2↑9 – 10Φ↓C) ρ S = Mill power. D = Mill diameter in meters. L = Mill length in meters. ρ B = Ball ...

Get Price### how does the sag mill works

SAG Mill Mining engineering EngTips. There are many other solutions however if the efficiency of a SAG mill is not what you are after all of the other options ... it's a rare occurence but does ... » More; how does a roller mill work crushing and … Concrete Roller Malt Mill. This is the third and current version of my concrete roller ...

Get Price### Bond Work Index an overview | ScienceDirect Topics

The Bond work index is not solely a material constant but is influenced by the grinding conditions. For example, the finer the grind size desired, the higher is the kWh/t required to grind to that size. Magdalinovic [38] measured the Bond work index of three ore types using different test screen sizes. He produced a correlation between the mass of test screen undersize per revolution, G, and ...

Get Price### How Does A Sag Mill Work

Use this online formula to calculate a Ball Mill, Rod Mill or SAG Mill Operating Work Index. Based on Fred Bond's work you can estimate . Get Price And Support Online; how does a sag mill work namesprojectsouthflorida. how does a sag mill work.

Get Price### .:. Home

is home to a collection of both free and subscriptionbased calculation tools to aid metallurgical process engineers perform comminution calculations. Grinding circuit design tools, including for SAG millball mill circuits, and geometallurgy energy models are available to subscribers.

Get Price### how does the sag mill works

How Does A Sag Mill Work How Does The Sag Mill Works Christoartfairnl. How does the sag mill works june 15, 09 by cnmining 29 does a sag mill work hot products ball mills are used primary for single stage fine grinding, regrinding, and …

Get Price### Sawmill The Official Terraria Wiki

This page was last edited on 28 August 2019, at 23:20. Content is available under CC BYNCSA unless otherwise noted. Game content and materials are trademarks and copyrights of their respective publisher and its licensors.

Get Price