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#### Ball Mill Design/Power Calculation 911 Metallurgist

19/06/2015· 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

#### Ball Mill Motor Power Draw Sizing and Design Formula

19/10/2015· The following equation is used to determine the power that wet grinding overflow ball mills should draw. For mills larger than 3.3 meters (10 feet) diameter inside liners, the top size of the balls used affects the power drawn by the mill. This is called the ball size factor S. Rod and Ball Mills by C.A. Rowland and D.M. Kjos @ Allis-Chalmers

#### Ball Mill Design/Power Calculation

12/12/2016· 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...

#### How to Size a Ball Mill -Design Calculator & Formula

15/05/2015· The power calculated on using equation 1, (Bond, 1961; Rowland and Kjos, 1978), relates to: 1) Rod milling a rod mill with a diameter of 2.44 meters, inside new liners, grinding wet in open circuit. 2) Ball milling a ball mill with a diameter of 2.44 meters, inside new

#### Ball Mill Design Free Shell

Once you know the ideal speed of rotation for your mill jars, you will need to design your mill around this critical parameter. With most ball mill designs, you have two areas of speed reduction to tweak: from the motor drive shaft to the drive pulley and from the roller bar to the milling jar. The drive train calculator featured on this page

#### motor calculation of ball mill design ME Mining Machinery

Ball Mill Motor Hp Calculation restaurant-brasserie-le. Ball Mill Design/Power Calculation . Ball Mill Power/Design Calculation Example #2 In Example 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 ¼ inch to 80% passing 100 mesh in closed circuit.

#### Design Method of Ball Mill by Sumitomo Chemical Co., Ltd

Design Method of Ball Mill by Discrete Element Method The physical constants used in these calculations are given in Table 1. In a discrete element method simulation of the inside of a ball mill, the coefficient of friction of the balls is the most important factor, and it has been reported that the spring coefficient and damping coef- ficient calculated from Young’s modulus and Pois-son

#### Ball Mill Design/Power Calculation

12/12/2016· Example Calculation. 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

#### motor power calculation for ball and tube mill

Ball Mill Design/Power Calculation 911 Metallurgist. Jun 19, 2015 Example Calculation 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

#### Page 1 Ball Milling Theory Free Shell

Once you know the ideal speed of rotation for your mill jars, you will need to design your mill around this critical parameter. With most ball mill designs, you have two areas of speed reduction to tweak: from the motor drive shaft to the drive pulley and from the roller bar to the milling jar. The drive train calculator featured on this page

#### Design Method of Ball Mill by Sumitomo Chemical Co., Ltd

Design Method of Ball Mill by Discrete Element Method The physical constants used in these calculations are given in Table 1. In a discrete element method simulation of the inside of a ball mill, the coefficient of friction of the balls is the most important factor, and it has been reported that the spring coefficient and damping coef- ficient calculated from Young’s modulus and Pois-son

#### AMIT 135: Lesson 7 Ball Mills & Circuits Mining Mill

Describe different types of ball mill design. Describe the components of ball mill. Explain their understanding of ball mill operation. Explain the role of critical speed and power draw in design and process control. Recognize important considerations in ball mill selection. Reading & Lecture. In ball mills, steel balls or hard pebbles to break particle based on impact and attrition. A

#### drive calculation for a ball mill 2011

Ball Mill Design Power Calculation. dec 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 . Read More

#### Ball Mill Motor Hp Calculation- EXODUS Mining machine

Motor Calculation Of Ball Mill Design. Ball mill designpower calculation ball mill powerdesign calculation example 2 in example 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 . More Details What It Is The Optimun Speed For A Ball Mill. Oct 19 2006 what it is the optimun

#### Ball Mill Working Principle And Main Parts

Ball Mill Working Principle. To be chosen according to the grinding material, material is composed of a ball mill feed end of the hollow shaft is arranged in the tube body, when the ball mill cylinder rotation time, grinding body due to inertia and centrifugal force, the effects of friction, making it attached to the cylinder liner on the cylinder body away, when taken to the height of a

#### Ball Mill SlideShare

18/11/2008· The types of ball mills: batch ball mill and continuous ball mill with different grinding media and different design depend on the nature of the input material and the nature of the output which I need. We discuss the types of ball mill, the basic principles of the ball mill, how it works, the details of design including equations for optimum dimensions in all cases, some manufacturers for the

#### Ball charges calculators thecementgrindingoffice

- Ball charges: This calculator gives the surface and the average weight of the ball charges. It gives also a rough interpretation of the ball charge efficiency: Ball top size (bond formula): calculation of the top size grinding media (balls or cylpebs):-Modification of the Ball Charge: This calculator analyses the granulometry of the material inside the mill and proposes a modification of

#### Ball Mill Design Free Shell

Once you know the ideal speed of rotation for your mill jars, you will need to design your mill around this critical parameter. With most ball mill designs, you have two areas of speed reduction to tweak: from the motor drive shaft to the drive pulley and from the roller bar to the milling jar. The drive train calculator featured on this page

#### how to calculate motor kw of ball mill

Ball Mill Grinding Capacity Calculator Ball Mill Motor/Power Sizing Calculation Ball Mill Design/Sizing Calculator The power required to grind a material from a given feed size to a given product size can be estimated by using the following equation where W = power consumption expressed in kWh/short to (HPhr/short ton = 134 kWh/short ton) Wi . Live ChatGet Price. how to calculate the primary

#### motor power calculation for ball and tube mill

Ball Mill Design/Power Calculation 911 Metallurgist. Jun 19, 2015 Example Calculation 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

#### How To Calculate Rpm Of A Motor To Ball Mill

Ball mil design calculation? Yahoo Answers. Ball mills are normally operated at around 75% of critical speed, so a mill with diameter 5 Cement mills are normally driven by electric motors. Read more. clayart thread 'ball mill design' Motor size, pulley sizes, rollers The way a ball mill (also known as a jar mill) works is to have the balls The critical speed in RPM is easy to

#### Design Method of Ball Mill by Sumitomo Chemical Co., Ltd

Design Method of Ball Mill by Discrete Element Method The physical constants used in these calculations are given in Table 1. In a discrete element method simulation of the inside of a ball mill, the coefficient of friction of the balls is the most important factor, and it has been reported that the spring coefficient and damping coef- ficient calculated from Young’s modulus and Pois-son

#### Design, Construction and Performance Analysis of a 5

usually synchronous motors equipped with an air clutch or gear transmission. After the mill is charged with the starting material (rock, ore, etc.) and the grinding ball media (balls), the milling process takes place. The milling process occursduring rotation as a result of the transfer of kinetic energy of the moving grinding media into the grinding product. The design of a ball mill can vary

#### AMIT 135: Lesson 7 Ball Mills & Circuits Mining Mill

Describe different types of ball mill design. Describe the components of ball mill. Explain their understanding of ball mill operation. Explain the role of critical speed and power draw in design and process control. Recognize important considerations in ball mill selection. Reading & Lecture. In ball mills, steel balls or hard pebbles to break particle based on impact and attrition. A

#### GROSS POWER CALCULATOR SMC Testing

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 4.6%. How to Use the Model . Inputs to the model are made in three windows, viz: Mill Type available options to choose from are