Home > Test Method For Bond Ball Mill Work Index
Test Method For Bond Ball Mill Work Index，We are a professional mechanical equipment manufacturer, we provide original parts, service solutions, extensive training and extensive wear, crushing chambers and screening media solutions to reduce operating costs, improve product quality and maximum productivity.
The grinding jar for the Bond Index Rod Mill is 12″ x 24″ in size and has a wave-shaped design. At least 15 to 20 kg sample material is required to simulate a closed grinding circuit in a ball or rod mill. The Rod Mill Work Index (RWI) is used for particle size determination in a size range from 25 mm down to 2.1 mm whereas Ball Mill Work
Get Details2017-11-23 · circuit design the work index parameter is widely used in tracking mill performance. Due to the age and lack of controls for the test many laboratories have some variation in BBMWi test equipment and even processes, such as media charge or mill liner variations. The JK Bond Ball Mill (JKBBM) test
Get Details2015-7-29 · grindability is Bond’s work index which is defined as the resistance of the material to grinding. The standard equation used by them for the ball mill work index (Bond work index) is as follows. 230. 82 1 10 / 80 10 / 80 @ 44.5 1. P G P F W i bg i u (4) In designing and optimizing a milling circuit using Bond
Get Details2013-12-24 · Alternative Approaches for Determination of Bond Work Index As a fast method, the determination of the Bond index from the Hardgrove index (by calculation) is almost matching with measured Bond’s work index. was screen analyzed and the last three net grams per revolution (Gbp) is the ball mill grindability. The test mesh used was 100
Get Details2018-2-20 · a method using Bond Indices than adding a single factor of 1.25 to arrive at the AG/SAG speciﬁ c energy. In 1991 the Canadians developed the SAGPower Index (SPI), test using 2 kg of material in a 300 mm diameter mill. This test has been further developed by Starkey, Hindstrom and Orser (2006). This test now includes a Bond Ball mill work
Get Details2013-12-24 · A New Approach to the Calculation of Work Index and the Potential Energy of a Particulate Material Ball Mill Batch Process The mill dimensions, (D × L), are 0.204 × 0.158 m and it tests which is similar to the Bond test but with the exist- ing mill of known power.
Get DetailsBond Work Index Test Ball Mill - 911Metallurgist. The FC Bond Work Index Test Ball Mill was designed by F. C. Bond for use in determining the Bond Index, a measure of grindability and power required for grinding applications. The FC Bond Mills are used in laboratories throughout the world.
Get Details2019-10-11 · The Bond ball mill work index test is thought to be additive because of its units of energy; nevertheless, experimental blending results show a non-additive behavior. [18] The SPI(R) value is known not to be an additive parameter, however errors introduced by
Get DetailsBond work index ball mill design and safety factors. Ball Mills Mill grindability test requires a 5 lb. (2 kg) sample and produces a direct measured specific energy (net Hp-hr/t) to grind from the design feed size to the required product size. The second test, a Bond Work Index determination, results in a specific energy value Get More →
Get DetailsENERGY REQUIREMENTS CALCULATION Pebble Crusher YN From SAGDesign testwork results Notes SAGDesignMillsizing spreadsheet was designed to determine the most appropriate mill dimensions and testing measures the macro and micro ore hardness by means of a SAG mill test and a standard Bond Ball Mill Work Index test on SAG ground ore . Live Chat
Get DetailsBond Work Index Test Ball Mill - 911Metallurgist. The FC Bond Work Index Test Ball Mill was designed by F. C. Bond for use in determining the Bond Index, a measure of grindability and power required for grinding applications. The FC Bond Mills are used in laboratories throughout the world.
Get DetailsBond work index ball mill design and safety factors. Ball Mills Mill grindability test requires a 5 lb. (2 kg) sample and produces a direct measured specific energy (net Hp-hr/t) to grind from the design feed size to the required product size. The second test, a Bond Work Index determination, results in a specific energy value Get More →
Get Details2015-12-16 · shortcomings, the test was changed to a locked cycle technique as described below. LOCKED CYCLE TESTS . The preferred test procedure is a locked cycle test akin to the Bond Ball mill work . index determination. The first cycle starts with minus 6 mesh ore removed since it is believed that the fines content can fill most of the voids allowing
Get Details2014-10-1 · submitted to the Bond ball mill work index test. The number of SAG mill revolutions required to grind the material to a P the method uses two work indices for coarse and fine grinding respectively. “Coarse” in this case is defined as spanning the size range from an F 80 of the product of the last stage of crushing prior to grinding to a P
Get DetailsComparing of Ball Mill Design using Bond Work Index and the same method of grindability were run in a manner similar to the Ball Mill Grindability Test laid out in Bond’s paper.
Get DetailsENERGY REQUIREMENTS CALCULATION Pebble Crusher YN From SAGDesign testwork results Notes SAGDesignMillsizing spreadsheet was designed to determine the most appropriate mill dimensions and testing measures the macro and micro ore hardness by means of a SAG mill test and a standard Bond Ball Mill Work Index test on SAG ground ore . Live Chat
Get DetailsBond Ball Mill Index Test | JKTech. 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 10 kg of material crushed to nominally minus 10 mm is preferred JKTech would stage crush the sample to minus 335 mm, as required for the
Get Details2018-4-26 · 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 and M ih values are also
Get Details2018-2-20 · Bond Grinding Circuit Efficiency Meeting of Bond Efficiency Guideline Working Group of the Global Mining and Standards Group Salt lake City, 2014 Based on Presentation to the 2008 Meeting of SME, by C.A. Rowland, Jr. and R.E. McIvor. Bond Grinding Circuit Efficiency • The Bond Work Index equation • Ore test WI • Circuit operating WI
Get DetailsComparison of UCS to Bond Work Indices Alex Doll, Alex G Doll Consulting Ltd, Edmonton, Canada Derek Barratt, DJB Consultants Inc, North Vancouver, Canada Ken Wood, Fluor Mining & Minerals, Vancouver, Canada Abstract Unconfined Compressive Strength (UCS) is a commonly used rockmass strength measurement used by
Get DetailsNumerically, the work index is the energy required in kwh/t to reduce a given material from theoretically infinite feed size to 80% passing 100 microns. The work index of a particular material is determined in the laboratory by conducting the standard Bond grindability test. Bond developed separate tests for the rod mill and the ball mill.
Get DetailsBond Ball Mill Index Test | JKTech. 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 10 kg of material crushed to nominally minus 10 mm is preferred JKTech would stage crush the sample to minus 335 mm, as required for the
Get DetailsENERGY REQUIREMENTS CALCULATION Pebble Crusher YN From SAGDesign testwork results Notes SAGDesignMillsizing spreadsheet was designed to determine the most appropriate mill dimensions and testing measures the macro and micro ore hardness by means of a SAG mill test and a standard Bond Ball Mill Work Index test on SAG ground ore . Live Chat
Get DetailsComparing of Ball Mill Design using Bond Work Index and the same method of grindability were run in a manner similar to the Ball Mill Grindability Test laid out in Bond’s paper.
Get Details2016-10-19 · behavior although the applied fracture mechanism of the mill cannot be excluded. With crushed ore samples from Malmberget also grindability tests and mineral liberation analyses were conducted using laboratory tumbling mills of different size. Starting from the dimensions of the Bond ball mill a modified test method was
Get Details2018-2-20 · Bond Grinding Circuit Efficiency Meeting of Bond Efficiency Guideline Working Group of the Global Mining and Standards Group Salt lake City, 2014 Based on Presentation to the 2008 Meeting of SME, by C.A. Rowland, Jr. and R.E. McIvor. Bond Grinding Circuit Efficiency • The Bond Work Index equation • Ore test WI • Circuit operating WI
Get Details2018-4-26 · 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 and M ih values are also
Get Details2017-4-21 · Mill grindability test requires a 5 lb. (2 kg) sample and produces a direct measured specific energy (net Hp-hr/t) to grind from the design feed size to the required product size. The second test, a Bond Work Index determination, results in a specific energy value (net Hp-hr/t) from an empirical formula.
Get Details2015-4-22 · compared to those of the Bond comminution energy estimated from the Bond index. There is considerable difference between Bond crushing energy and work done by the jaw crusher for rocks. It appears that the Bond approach is not a suitable method for predicting single particle fracture energy done by the crusher. To
Get DetailsComparison of UCS to Bond Work Indices Alex Doll, Alex G Doll Consulting Ltd, Edmonton, Canada Derek Barratt, DJB Consultants Inc, North Vancouver, Canada Ken Wood, Fluor Mining & Minerals, Vancouver, Canada Abstract Unconfined Compressive Strength (UCS) is a commonly used rockmass strength measurement used by
Get DetailsCopyright © 2015.Henan Mining Machinery Co., ltd. All rights reserved.Sitemap