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Get PriceBall mill designpower calculation the ball mill motor power requirement calculated above as 1400 hp is the power that must be applied at the mill drive in order to grind the tonnage of feed from one size distribution the more details highperforming gear unit for your ball mill
Get PriceBall mill designpower calculation mineral processing ball mill powerdesign calculation example 2 in example no1 it was determined that a 1400 hp wet grinding ball mill was required to grind 100 tph of material with a bond work index of 15 guess what mineral type it is from 80 passing inch to 80 passing 100 mesh in closed circuit
Get PriceBall mill operating rpm calculation ball mill designpower calculation 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 inch 6350 microns the required product size distribution is to be 80 passing 100 mesh 149 microns
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Get PriceBall mill drive motor choices artecmachine ball mill operating rpm calculation cs 7663 1105 231 rpm ball and sag mills are driven in practice at a speed corresponding to 6081 of the critical speed the choice of speed being influenced by economical considerations within that range the power is nearly proportional to the speed mill
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Get PriceMay 22 2019 to make the ball in the b state the actual speed of the ball mill is usually 36 rpm 2 the amount of ball loading in order to make the ball in a rolling state in addition to the rotation speed of the grinding cylinder it depends on the amount of ball loading and the friction between the grinding body and the wall of the cylinder
Get PriceThe geometry of a mill with conical ends is shown in figure 86 the total volume inside the mill is given by vm 4 d2 ml 1 2lc l l 1 dtdm 3 1 dtdm 816 the density of the charge must account for all of the material in the mill including the media which may be steel balls in a ball mill
Get PriceOleg d neikov in handbook of nonferrous metal powders 2009 tumbling ball mills tumbling ball mills or ball mills are most widely used in both wet and dry systems in batch and continuous operations and on a small and large scale grinding elements in ball mills travel at different velocities therefore collision force direction and kinetic energy between two or more elements vary
Get PriceBall mill working principle and calculation working principle operation the apparent difference in capacities between grinding mills listed as being the same size is due to the fact that there is no uniform method of designating the size of a mill for example a 5 x 5 ball mill has a working diameter of 5 inside the liners and has 20 per cent more capacity than all other ball
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Get PriceMill type overview three types of mill design are common the overflow discharge mill is best suited for fine grinding to 75 106 microns the diaphram or grate discharge mill keeps coarse particles within the mill for additional grinding and typically used for grinds to 150 250 microns the centerperiphery discharge mill has feed reporting from both ends and the product discharges
Get PriceBall mill rpm calculation introduction to the mill mit mill critical speed calculation 911metallurgist effect of mill speed on the energy input in this experiment the overall motion of the assembly of 62 balls of two different sizes was studied the mill was rotated at 50 62 75 and 90 of the critical speed
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Get PriceBall mill operating rpm calculation ball mill operation is often regarded as something of a mystery for several reasons ball milling is not an art its just physics the first problem will ball mills is that we cannot see what is occurring in the mill the other problem is that many of
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