In Grinding, selecting (calculate) the correct or optimum ball size that allows for the best and optimum/ideal or target grind size to be achieved by your ball mill is an important thing for a Mineral Processing Engineer AKA Metallurgist to do Often, the ball used in ball mills is oversize “just in case” Well, this safety factor can cost you much in recovery and/or mill liner wear and ,

Get PriceCurrent methods of power consumption calculation of a mill drive do not allow determining the power consumption for ball drum mills with a cross-longitudinal motion of the grinding media

Get PriceCase Study – 2 Installation of Variable Frequency Drive (VF D) I n Ball Mill Motor Before CP Plant is operating 5 nos ball mills, with common connection to single 30 HP motor The motor load test conducted while operating all 5 nos ball mill simultaneously is shown in table below: Table: Electrical Parameters Measured at Ball Mill Motor (5 ,

Get PriceLoad Torque Calculation - Ball Screw Drive Load Torque Calculation - Pulley Drive Load Torque Calculation - Wire or Belt Drive, Rack and Pinion Drive Acceleration Torque As mentioned previously, acceleration torque is made up of inertia and acceleration rate If we know those two values, we can calculate the acceleration torque

Get Priceball mill calculation kw and rpm - YouTube 15 Oct 2013 , ball mill calculation kw and rpm More details: , mill pinion to drive motor-[crusher and mill] Ball mill 9000 HP Motor speed 990 rpm Mill speed

Get PriceThe Speeds and Feeds Calculator may be employed for calculations of estimated speeds and feeds (RPM and IPM) values on the basis of the parameters you have currently set based on your tools and stock material GoodCalculators A collection of really good online calculators for use in every day domestic and commercial use!

Get PriceDec 12, 2016· 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 ,

Get PriceThe mill used for this comparison is a 44-meter diameter by 136 meter long ball mill with a 5000 HP drive motor It is designed for approximately 90 ston per hour This type two-compartment mill is a state- of-the-art shell supported cement finish mill

Get Price26 x 14 ft (79 x 42 m) SAG Mill 6,300 HP (4700 kW) Motor 26 x 14 ft (79 x 42 m) SAG Mill 6,300 HP (4700 kW) Motor Variable speed drive available at extra cost Mill includes: - main drive motor Slip Ring 6,300 HP - liquid resistance starter, includes variable speed d,

Get PriceHardinge 8' x 22 tricone ball mill with steel liners, 100 Hp drive through gear reducer on stand Stirred ball mill /Attritor mill, 30 Hp Szegvari Attritor vertical stirred ball mill 30 Hp, 2 ,

Get Pricethe mill is used primarily to lift the load (medium and charge) Additional power is required to keep the mill rotating 813 Power drawn by ball, semi-autogenous and autogenous mills A simplified picture of the mill load is shown in Figure 83 Ad this can be used to establish the essential features of a model for mill ,

Get PriceThe drive configuration for this project known as SBRS (Start Ball, Run SAG) meaning that the VSD is to soft- start with frozen charge detection the ball mill, run up to nominal speed, smoothly connect ball mill to the grid so that the ball mill is operating with fixed speed, then soft- start with frozen charge detection the SAG mill as well as ,

Get PriceCalculate 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

Get PriceOct 06, 2010· Calculate the inertia momentum from a ball mill Any idea? Hello everybody! I need to calculate the inertia momentum from my ball mill, in order to design the power/size of the mill start system Could somebody help me? Best regards and thanks!!

Get PriceMar 15, 2010· Every Cincinnati Mill was tested before shipment for a full HP cut For small mills A block of steel aprox 6 inches wide x 18 inches long was bolted to the table and a suitable size Shell End Milling Cutter, some migh call it a face mill was set at proper RPM and feedrate and several cuts taken

Get Pricemill diameter, D rotational speed RPM SFM = 0262 x RPM x D SFM estimated = (RPM x D) / 4 ROTATIONAL SPEED – RPM peripheral cutting speed, SFM mill diameter, D RPM = SFM /(0262 x D) RPM estimated = (4 x SFM) / D KEY SYMBOL ELEMENT UNIT OF MEASUREMENT HP CUTTING POWER INPUT horsepower SFM CUTTING SPEED surface feet per minute DOC DEPTH OF CUT ,

Get PriceNov 12, 2013· ball mill power dear experts we have a ball mill in combi mode for cement grinding roller press before the ball mill the supplier has given 28% grinding media filling , with shaft power 2270 kw only ball mill size is 44*11 m grinding media size is max 30mm it is a monochamber mill designed to grind the roller press product

Get PricePATTERSON® Type "D" Steel Ball Mill, 4'0" diameter x 5'0" long with Dry Discharge Housing - Drive End View Drive side view Front Side View PATTERSON® 3'0" diameter x 4'0" long Type D Non-Jacketed Lined Pebble Mill Ball Mill without Ring Gear 2'6" x 3'6"

Get PriceVertical Roller Mill, LM Vertical Roller Mill in China to calculate ball mill drive hp Jyoti Ceramic Industries Pvt LtdTo calculate the motor power required for a cylindrical type ball mill, the following formula can be applied : W = 004116 x D3 x L x n x (06d + 04d1) where : W = Required motor power in HP : D = Internal dia of the mill in mtr : L = Internal length of the mill in mtr ,

Get PriceMilling Step-over Distance Calculator In many milling operations, the cutting tool must step over and make several adjacent cuts to complete machining a feature As a result, a small cusp of material, called a scallop, will remain between these cuts on any surrounding walls or on the machined surface if a ball end mill is used The size of the ,

Get PricePATTERSON 3'0" (1 m) dia x 20'0" (61m) Continuous Ball Mill for Drying of Gypsum Wallboard Additiv PATTERSON 48" (122 m) x 24'0" (73m) Continuous Ball/Rod Mill with 150 HP high torque motor Drive End View : Discharge End View : Discharge Housing with Spring Loaded Seal Arrangement on PATTERSON 48" (122m ,

Get PriceBall Mill Design Power Calculation Dec , the ball mill motor power requirement calculated above as hp is the power that must be applied at the mill drive in order ,

Get PriceSpeed And Feed Calculators Ball Mill Finish Calculator Part Spacing Calculator G And M Code Characters Standard End Mill Sizes Standard Drill Sizes Drill And Counterbore Siz Contact End Mill Speed & Feed Calculator Tool Dia In Radial (Side) Depth of Cut This will adjust the feedrate if less than the tool rad In Num of Flutes

Get PriceDec 08, 2009· Re: how to estimate the wear rate for Ball mill Most practical way to by measuring empty height and calculating the % volumetric filling of grinding mediaAlternative way to make track of mill main drive kW consumption reduction and add makeup charge according to the extent of fall in power consumption

Get PriceThe 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 as P80 and maximum and finally the type of circuit open/closed ,

Get PriceVariables in Ball Mill Operation , Mill Speed is one variable that can often be easily changed with a variable frequency drive (VFD) The starting point for mill speed calculations is the critical speed Critical speed (CS) is the speed at which the grinding media will centrifuge against the wall of the cylinder , Consider one cubic foot ,

Get PriceThe SAG mill is followed by two 20-ft diam, 7,500-hp gear-driven ball mills Another type of drive, less commonly used, consists of a motor-driven speed reducer that is coupled to one of two ,

Get PriceThe ball mill motor power requirement calculated above as 400 HP is the power that must be applied at the mill drive in order to grind the, hp cone ball mill hydraulic international - hp cone ball mill hydraulic international , principle of ball millgrinders and crushers Hydraulic Cone Crusher

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