# How Do Calculate Moter H P Require For Ball Mill

Ball Mills are generally used to grind material 1 4 inch and finer down to the particle size of 20 to 75 microns To achieve a reasonable efficiency with ball mills they must be operated in a closed system with oversize material continuously being recirculated back into the mill to be reduced

A Total Apparent Volumetric Charge Filling including balls and excess slurry on top of the ball charge plus the interstitial voids in between the balls expressed as a percentage of the net internal mill volume inside liners B Overflow Discharge Mills operating at low ball fillings slurry may accumulate on top of the ball charge causing the Total Charge Filling Level to

Calculate Tangential Force Torque and Machining Power for End Milling Applications KM Solid End Mill Torque and Horsepower Calculate Tangential Force Torque and Machining Power for Solid End Mills With KM Quick-Change Tooling

A motor with around 1400 Horse Power is calculated needed for the designed task Now we much select a Ball Mill that will draw this power 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 following shows how the size or select the matching mill required to

Ball Mill Design Power 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

Mar 05 2013· Installation of new motor bearing the EZ way Including side cover

Calculate the horsepower required for a turning operation based on the feed rate depth of cut and cut diameter which will 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

Nov 12 2013· ball mill size is 4 4 11 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 also 28 filling do not corresponds to 180 t …

Rod mills are very similar to ball mills except they use long rods for grinding media The rods grind the ore by tumbling within the the mill similar to the grinding balls in a ball mill To prevent the conditions leading to rod charge tangling the length to diameter ratio is maintained at 1 4 to 1 6

Ball mills designed for long life and minimum maintenance overflow ball mill sizes range from 5 ft x 8 ft with 75 HP to 30 x 41 and as much as 30 000 HP Larger ball mills are available with dual pinion or ring motor drives Our mills incorporate many of the qualities which have made the Marcy name famous since 1913

the mill is used primarily to lift the load medium and charge Additional power is required to keep the mill rotating 8 1 3 Power drawn by ball semi-autogenous and autogenous mills A simplified picture of the mill load is shown in Figure 8 3 Ad this can be used to establish the essential features of a model for mill …

To calculate the motor power required for a cylindrical type ball mill the following formula can be applied W = 0 04116 x D3 x L x n x 0 6d 0 4d1 where W = Required motor power in HP D = Internal dia of the mill in mtr L = Internal length of the mill in mtr d = Specific gravity of grinding media d1 = Specific gravity of substance

Motors supposed to do some work and two important values define how powerful the motor is It is motor speed and torque the turning force of the motor Output mechanical power of the motor could be calculated by using the following formula P out = τ ω where P …

how do calculate moter h p require for ball Mill how do calculate moter h p require for ball mill 2014324-About how do calculate moter h p require for ball mill-related information to match a ball mill size and its motor size some math is requir

A ball mill a type of grinder is a cylindrical device used in grinding or mixing materials like ores chemicals ceramic raw materials and paints Ball mills rotate around a horizontal axis partially filled with the material to be ground plus the grinding medium Different materials are used as media including ceramic balls flint pebbles and stainless steel balls

GROSS POWER CALCULATOR General base are up to 40ft in diameter and ball mills are up to 26ft in diameter The measured gross power draws The required length to be input depends on whether the mill is an overflow or a grate discharge machine In all cases AG and SAG mills

Aug 09 2010· Stepper Servo Motors What size stepper motor do I-need Welcome to the MYCNCUK forums as on a mill it is not easy to calculate and is best measured with a spring balance firstly to determine what pull is required to get the table moving and then to maintain that movement 0 003 for a ball slide 0 01 for low-end ball races on

The mill used for this comparison is a 4 4-meter diameter by 13 6 meter long ball mill with a 5000 HP drive motor It is designed for approximately 90 s ton per hour This type two-compartment mill is a state- of-the-art shell supported cement finish mill The torque and time requirements of the mill with the ball

Calculate the horsepower required for a turning operation based on the feed rate depth of cut and cut diameter which will 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

Ball mills work well on hard brittle materials They are not as suitable for grinding elastic ductile or fibrous materials or for fine grinding in general Ball mills can blend and grind at the same time yielding a fine intimate mixture Conventional ball mills are usually limited to …

Therefore a 350-hp motor is required and this in turn indicates that an 812 8′ x 12′ Rod Mill is required In the same way Fig 3 indicates that an 800-hp motor and a 101 214 or 10 5′ by 14′ Ball Mill is required Following is a condensed tabulation of the above selections Sizing a Ball or Rod Mill

Calculate Ball Mill Grinding Capacity Previous Next View Larger Image The sizing of ball mills and ball milling circuits from laboratory grinding tests is largely a question of applying empirical equations or factors based on accumulated experience Different manufacturers use different methods and it is difficult to check the validity of

The mill used for this comparison is a 4 4-meter diameter by 13 6 meter long ball mill with a 5000 HP drive motor It is designed for approximately 90 s ton per hour This type two-compartment mill is a state- of-the-art shell supported cement finish mill The torque and time requirements of the mill with the ball

Calculate Ball Mill Grinding Capacity Previous Next View Larger Image The sizing of ball mills and ball milling circuits from laboratory grinding tests is largely a question of applying empirical equations or factors based on accumulated experience Different manufacturers use different methods and it is difficult to check the validity of

the mill is used primarily to lift the load medium and charge Additional power is required to keep the mill rotating 8 1 3 Power drawn by ball semi-autogenous and autogenous mills A simplified picture of the mill load is shown in Figure 8 3 Ad this can be used to establish the essential features of a model for mill …

Ball Mill Design Power 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

Milling 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

CALCULATION OF THE REQUIRED SEMIAUTOGENOUS MILL POWER BASED ON THE BOND WORK INDEXES O I SKARIN Senior Researcher Candidate of Engineering Sciences N O TIKHONOV Head of Subdivision Optimization of ore pretreatment and selection of the ap-propriate equipment is one of the main areas of activity of RIVS Science and Production Association

how do calculate moter h p require for ball mill How to Calculate Load Torque Motor Power - bulk-online Chat Now ball mill motor hp calculation - eklavya classes To calculate the needed grinding work against the grain size changing three The ball mill motor power requirement calculated above as 1400 HP is Chat Now

Ball mills are commonly used in the manufacture of Portland cement and finer grinding stages of mineral processing one example being the Sepro tyre drive Grinding Mill Industrial ball mills can be as large as 8 5 m 28 ft in diameter with a 22 MW motor drawing approximately 0 0011 of the total world s power see List of countries by