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Get PriceRod Mill Work Index Table Previous Next Here is a list presented in table form of Rod Mill Work Index as testedpresented by SME handbook of mineral processing NL Weiss Editor NY 1985
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 a large effect on profitability
View MoreBall Mills vs Rod in place weigh approximately 400 pounds per cu ft and balls in place approximately 300 pounds per cu ft Thus quantitatively less material can progress through the voids in the rod mill grinding media than in the ball mill and the path of the material is more confined
View MoreThis Table of Ball Mill Bond Work Index of Minerals is a summary as tested on around the world sample You can find the SG of each mineral samples on the other table We have all the laboratory and plant equipment you need to test or buildoperate your plant We have a metallurgical test for every possible mineral type and treatment
View MoreThe Bonds standard ball mill is used to determine the work index value of differ ent samples The Bond work index is defined as the kilowatthours per short ton required to break from infinite size to a product size of 80 passing 100 m If the breakage characteristics of a material remain constant over all size ranges the calcul ated work
View MoreSIMULATING THE CALCULATION OF THE BOND RODMILL WORK INDEX Afterthe parameterskl n 1 k and n are obtainedthe mathematical models of simulating the calculation of the Bond rodmill work index can be written as the firstcycle where C is the ratio of the circulating the ith cycle i a 2 with the ending conditions 150
View MoreA Bond Rod Mill Index Test BRMWI is a standard test for determining the Rod Mill Work Index of a sample of ore The BRMWI is a measure of the resistance of the material to crushing and grinding It can be used to determine the grinding power required for a given throughput of material under rod mill grinding consitions
View MoreBond Rod Mill Grindability Test The test determines the Bond Rod Mill Work Index which is used with Bonds Third Theory of Comminution to calculate net power requirements when sizing ball mills Various correction factors may have to be applied The test is a closedcircuit dry grindability test performed in a standard rod mill
View Moredetermination of the work index for ball and rod mills in 1952 and modified it in 1961 The standard Bond ball mill grindability test is a closed circuit dry grinding test with a 250 circulating load The standard procedural outline of the test is stated in Bond 1961 The work index for a ball mill Wi is then calculated from the following
View MoreBonds approach consists of determining the ore hardness characteristics or Work Index Wi via standardized laboratory testwork The full suite of Bond comminution tests provide the Ball Mill Work Index BWi the Rod Mill Work Index RWi the Crusher Work Index CWi and the Abrasion Index
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View MoreBond Rod Work Index Mill Bond Rod Index Mill 12 x 24 consisting of a one 1 piece cast shell complete with integral wave 1 Hp 360220 volt motorgear 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
View Moreworld It shows that the ball mill work index is normally distributed with an average of 146 and a median of 148 kWht bOnd rOd mill GrindAbility The Bond Rod Mill Grindability Test is performed similarly to the ball mill test The feed sample is stagecrushed to and the test is run under a
View MoreRod mill work index is used in the BondBarratt specific energy consumption model The work index is used to calculate the energy requirement to grind rocks in the medium size range from 10 mm 20 mm down to about 2 mm
View MoreThe rod mill feeds a wet ball mill at a feed size of 10 mm 1000 m and produces a product with 80 passing a 150 m screen The rod mill is in an open grinding circuit Determine 1 the shaft power of the rod mill 2 the size of the industrial mill Data Laboratory Standard Bond Test Rod Mill Grindability index at 10 mesh 135 kWht
View MoreGenerally Bond work index is a common method for selecting comminution equipment as well as estimation of grinding efficiency and calculating required power In the current research a simple fast and accurate procedure is introduced to find the
View MoreGrinding Solutions can carry out Bond Rod Mill Work Index tests to determine the energy requirements for milling ore in a rod mill The test requires a minimum of 20kg of 125mm material Closing screen sizes typically range from 475mm to 212m
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View MoreThe Bond Rod Mill Work Index is a measure of the resistance of the material to grinding in a rod mill It can be used to determine the grinding power required for a given throughput of material under rod mill grinding conditions It is a locked cycle test conducted in closed circuit with a laboratory screen
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View More21 CONCLUSIONS Continued In the present work equations were also derived giving zthe ballmill power drawP as a function of its dimensions internal mill diameter D and length L zthe ballmill power drawP as a function of the feed D f mm and the product size d mm the Bond work index w i kWhshort ton and the mill throughput T short tonh zthe ballmill dimensions D and L when
View Moreto determine the size of mill required based on throughput and therefore motor power The standard Bond Rod Mill Work Index test procedure is firstly to stage crush the feed to pass 127 mm and size a representative sample The test then involves a series of batch grinds in a standard Bond rod mill A Bond rod mill is 0305m
View MoreThe Titan Bond Work Index Rod Mill is onepiece cast construction with integral wave liners of a form described by Bond This mill is used to perform the necessary metallurgical testing to determine the grinding characteristics of ores and power requirements for operating productionsize rod mills
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View Morerod mill technical specifications ball millBall Mills vs Rod MillsBecause of this the rod mill can effectively reduce 1 feed size to 10 mesh or finer in open circuit The voids or interstitial space within a rod load are approximately
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