Ball Mill Power Calculation Example 1 A wet grinding ball mill in closed circuit is to be fed 100 TPH of a material with a work index of 15 and a size distribution of 80 passing 188 inch 6350 microns The required product size distribution is to be 80 passing 100 mesh 149 microns
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Of the bond ball mill grindability test for all model based methods a reliable method to calculate mill power draw for a given mill is required for the calculation of power draw morrell 1996 proposed a mathematical model for autogenous semiautogenous and ball mills which is based on the motion of grinding charge inside the mill
The calculator will automatically provide the necessary speed and feed in the green fields for assistance setting up your milling program contact a dapra applications specialist or call 800 2433344 click here to download a chart of recommended ball nose cutting speeds and feeds pdf
Calculation of the power draw of dry multicompartment ball mills may 6 2004 schematic diagram of coneend of a wet system ball mill seen in figure 1 is not so same shape as the dry system multi compartment ball mill
Ball mill product size p80 microns feed size f80 mm transfer size t80 microns ore sg ball mill grindability kwhton average no energy requirements calculation pebble crusher yn from sagdesign testwork results notes ball mill reduction ratio rr inefficiency for coarser feed to ball mill inefficiency for finer final product size
80 sizes typically reached by conventional ball milling the delineating size between coarse and fine grinding is 750 181m smc test results are used to determine the drop weight index dwi and the coarse ore grinding index m ia test data from the bond ball mill work index test is used to calculate the fine grinding index m ib the m ia and m
Ball mill power consumption formula worldcrushers apr 19 2013 183 search rod mill power vs ball mill to find your need mill yield power consumption province ball mill efficiency calculations motor power calculation for ball and tube millbinq mining what is the formula to calculate mill motor power of ball mill
Calculate the horsepower required for a milling operation based on the feed rate and depth of cut which are used to determine the material removal rate or metal removal rate also required is the unit power which is a material property describing the amount of power required to cut that material
A material constant which is a factor used for power calculations expressed in nmm 2 machining time t c min machining length l m divided by the table feed v f net power p c and efficiency mt machine tool oriented values which assist in calculating the net power to ensure that the machine can handle the cutter and operation
Ball mill designpower calculation linkedin dec 12 2016 ball mill power calculation example a wet grinding ball mill in closed circuit is to be fed 100 tph of a material with a work index of 15 and a size ball mill calculation power calculation in kenya
Equation for ball mill circuits define and calculate the classification system efficiency of a ball mill circuit define and calculate the grinding efficiency of the ball mill in a ball mill circuit relate overall ball mill circuit output and circuit efficiency to specific design and operating variables
Base are up to 40ft in diameter and ball mills are up to 26ft in diameter the measured gross power draws from these mills are plotted against the model predictions in figure 1 as indicated by this data base the accuracy of the model 1 standard deviation is 46 how to use the model inputs to the model are made in three windows viz mill
Power draw calculator of ball mill we are a largescale manufacturer specializing in producing various mining machines including different types of sand and gravel equipment milling equipment mineral processing equipment and building materials equipment and they are mainly used to crush coarse minerals like gold and copper ore metals like
Ball mill power calculation how do i calculate purchase click here get latest price cost estimation cost indexes present costoriginal cost at time t marshall and swift1all industryequipment indexarithmetic average of 47 equipment types2processindustry equipment indexweighted average of 8 of these cement 2 paint 5 chemicals 48 paper 10 clay products 2 petroleum 22 glass
Technical notes 8 grinding r p king mineral technologies ball mill power calculation figure 85 effect of mill filling on power draft for ball mills the data a simple equation for calculating net power draft is austins formula gives slightly higher values than morrells for mills that have length equal power consumption
Oct 19 2017nbsp018332 past experience of a ball mill it is possible to calculate the grinding media average diameter formed in the mill operation during grinding media unload from mill the grinding balls bulk weight in fully unloaded mill other enterprises
Ball mill designpower calculation 202054 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
Nov 12 2013nbsp018332ball mill size is 4411 m grinding media size is max 30mm it is a monochamber mill designed to grind the roller press product if we calculate the shaft power with 28 filling it comes to more than 2600 kw with 210 t grinding media