Sag Mill And Ratio Of Bond Ball And Rod Work Index

Application of Operating Work Indices in Autogenous ... - SGS

AG/SAG Wio, AWio (kWh/t) 28.5 Ball Mill Wio, BWio 8.6 Circuit Wio, OWio 14.6 Bond Ball Mill Work Index, BWi, kWh/t 13.4 Bond Rod Mill Work Index, RWi, kWh/t 18.1 Table 1. Example of AG/SAG Ball Mill Circuit Wio Calculations [1] [2] ABstrAct Optimum use of power in grinding, both in terms of grinding efficiency and use of installed capital, can have

sag mill and ratio of bond ball and rod work index

Compare and Understand Rod/Ball/Impact. Bond Rod Index Mill, 12" x 24" consisting of a one (1) piece cast shell complete with integral wave, 1 Hp 3/60/220 volt motor/gear reducer drive, support frame which allows the mill to tilt +/- 5 degrees during operation and 45 degrees for discharge (manual operation), receiving pan, rod charge and control panel complete with …

Bond Work Index - an overview | ScienceDirect Topics

Ball mill design requires a Bond work index, BWi, for ball mills at the correct passing size; SAG mill design requires an appropriate SAG test, for example, SPI (Chapter 5). Flotation design needs a valid measure of kinetics for each sample, including the maximum attainable recovery and rate constants for each mineral ( Chapter 12 ).

sag mill and ratio of bond ball and rod work index

USING THE SMC TEST® TO PREDICT COMMINUTION. work index covering grinding of fine particles is labelled M ib (Morrell, 2008) M ia values are provided as a standard output from a SMC Test® (Morrell, 2004a) whilst M ib values can be determined using the data generated by a conventional Bond ball mill work index test (M ib is NOT the Bond ball work index) M ic …

bond 39 s rod mill for work index - f-i-r.de

Sag Mill And Ratio Of Bond Ball And Rod Work Index. using Bond rod mill work index (RMWI), and Bond ball mill work index (BMWI) However, the author has developed a of large AG/SAG mills and large ball mills However, it is low as 10 kWh/t and a reduction ratio as high as 30 Actual cases are, the initial nine 18 ft ID 215; 21 ft EGL over ow.

sag mill and ratio of bond ball and rod work

The Bond rod mill work index is used to calculate the power requirement at intermediate size, i.e. from 12.5mm to about 1mm. The test has been mainly used for the design of rod mills or primary ball mills, but it can also be used along with the other Bond tests (BWI and cWI) for SAG mill design using semiempirical relationship [6]. BOND LOW ...

sag mill and ratio of bond ball and rod work

Sag mill and ratio of bond ball and rod work index. Ball mill design requires a bond work index, bwi, for ball mills at the correct passing size; sag mill design requires an appropriate sag test, for example, spi (chapter 5).Flotation design needs a valid measure of kinetics for each sample, including the maximum attainable recovery and rate ...

A Method of C alculating Autogenous/ Semi-Autogenous ...

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. AG/SAG inef ciency varies according to the transfer size fi

sag mill and ratio of bond ball and rod work index

sag mill and ratio of bond ball and rod work index. ... The Bond ball mill work index is one of the most commonly used grindability tests in mining and is often referred to as the Bond work index The test is a locked-cycle test where ground product is removed from test cycles and replaced by fresh feed...

Bond Work Index Formula-Equation

See this useful summary Table of Bond Work Index by Minerals. For any circuit, whether a crushing circuit, a rod mill, or a closed ball mill circuit, the Work Index always means the equivalent amount of energy to reduce one ton of the ore from a very large size to 100 um. The sample was received crushed appropriately for the ball mill test.

bond rod mill work index - hetdierenbos.nl

Bond Rod Mill Work Index Equipment & Apparatus . Commentary on the apparatus of the Bond rod mill Work Index by Alex Doll December, 2015 [email protected] The Bond "Third Theory" of comminution was originally divided into three size classes reflecting the varieties of comminution equipment common during the time period when Bond (and his collaborators) were gathering …

Orway Mineral Consultants Canada Ltd. Mississauga, ON ...

the final product size. The prediction of the SAG mill transfer size used in the formula is made by comparison with pilotplant data and operating plant data for similar ore types (Barratt, 1989). The approach acknowledges grinding efficiency as the ratio of operating work index to that for a single-stage ball mill.

sag mill and ratio of bond ball and rod work index

Comparison of UCS to Bond Work Indices. FIGURE 8: ROD MILL/BALL MILL WORK INDEX RATIO v. UNCONFINED COMPRESSIVE STRENGTH 100 200 300 400 UCS (MPa) 0 0.5 1 1.5 2 WiRM/WiBM (metric) Siddall et al (1996) identified the ratio of Bond rod mill Work Index and ball mill Work Index as being indicative of an ore's compentency.

Bond Rod Mill For Work Index - himan-international.nl

Bond Rod Mill For Work Index. The Bond rod mill work index is not as common as the Bond ball mill work index and there are two different variations on the mill apparatus.The SAGMILLING models expect a mill with a wave liner and is …

Sag Mill And Ratio Of Bond Ball And Rod Work Index ...

Ball Mill DesignPower Calculation - 911 Metallurgist. 19062015 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 .

Sag Mill And Ratio Of Bond Ball And Rod Work Index

Application Of Operating Work Indices In Autogenous. Agsag wio awio kwht 285 ball mill wio bwio 86 circuit wio owio 146 bond ball mill work index bwi kwht 134 bond rod mill work index rwi kwht 181 table 1 example of agsag ball mill circuit wio calculations 1 2 abstract optimum use of power in grinding both in terms of grinding efficiency and use of installed capital can have

Articles - SAGMILLING

Commentary on the apparatus of the Bond rod mill work index The Bond "Third Theory" of comminution was originally divided into three size classes reflecting the varieties of comminution equipment common during the time period when Bond (and his collaborators) were gathering the information to calibrate comminution models.

Sag Mill And Ratio Of Bond Ball And Rod Work Index

Sag Mill And Ratio Of Bond Ball And Rod Work Index. FOB Reference Price:Get Latest Price. 2016110EURASIAN MINING 1. 2015 Technology and technics of ore preparation processes 7 feed for the rod mill i.e. 10000 m in accordance with Table. The value of P 80 is accepted based on the required grainsie characteristics of the ball mill discharge.

Comminution testing - JKTech - University of Queensland

A Bond Ball Mill Work Index may also be used in the simulation and optimisation of existing mill(s) and the associated grinding circuit(s). Sample requirements: A minimum of 8 kg of material crushed to nominally minus 10 mm is preferred. JKTech would stage crush the sample to minus 3.35 mm, as required for the Bond Ball Mill Work Index test feed.

Testwork: Bond rod mill work index - SAGMILLING

The Bond rod mill work index is not as common as the Bond ball mill work index, and there are two different variations on the mill apparatus.The SAGMILLING models expect a mill with a "wave liner", and is not compatible with mills using "smooth liners".

Sag Mill And Ratio Of Bond Ball And Rod Work Index

Sag Mill And Ratio Of Bond Ball And Rod Work Index. Mill (grinding) - Wikipedia, the free encyclopedia. ... and a standard Bond Ball Mill Work Index test (BWi) on SAG ground ore.sag mill grinding design versus ... how to grind fly ash in ball mil; rod liner ball ... Comminution Laboratory Services - MINTEK.

sag mill and ratio of bond ball and rod work index-mining ...

sag mill and ratio of bond ball and rod work index-mining equiments supplier. Apr 08, 2018 The parameter Wi, known as the work index of the ore, is obtained from batch bench tests first devised by Bond (1961).

Bond Rod Mill Work Index Essa - dickiestoer.nl

Bond Ball Mill Work Index Grindability Tests Sag Mill And Ratio Of Bond Ball And Rod Work Index China. 05 18 32 This video was put together by Joshua Wright and Aldo Vasquerizo as a supplemental lecture for University of Nevada Reno If you have any questions need advice or need to conduct a Sag Mill And Ratio Of Bond Ball And Rod Work Index Mill grinding …