# how to draw a ball mill

### How to Hit a Draw with Your Driver in Three Easy Steps

You can also draw lines on the screen to help you evaluate your own technique more clearly If you happen to have a LiveView camera I recommend drawing two lines as your practice your driver shots Draw one straight line from the golf ball through the hips Direct the second line from the ball through the shoulder.

Get Price### How to Draw a Brain 14 Steps with Pictures wikiHow

Tip If it s easier for you draw a horizontal oval and make a circle that s about 1/3 of the size of the bottom line Place the circle on the bottom line of the oval and draw a line connecting the circle to the oval outline Then erase the rest of the circle 2 Sketch

Get Price### Ball Mill Liner DesignMineral Processing Metallurgy

Mill HEAD LINERS Head liners are of the segmental type constructed of Manganese Steel Chrome molybdenum or Ni Hard and are designed to pass easily through the manhole opening or discharge opening in the case of rod mills For ball mill work ribs are cast with the feed head liners to deflect the ball mass and minimize wear on the headliner

Get Price### How To Draw A Cartoon Ball Using Fun Examples

Drawing a cartoon ball can be quite easy You just need to sketch a circle and add one color to it To make things more interesting you can also create a nice shadow on your ball to illustrate a 3D effect Finally if you want to go a little further you can draw a ball

Get Price### How to draw ball end mill cutout 3DCADForums

How to draw ball end mill cutout Thread starter derf Start date Jul 31 2009 Jul 31 2009 #1 D derf New member How would I draw a cutout for a ball end mill I can t figure out how to get the spherical effect at either end of the cutout Jul 31 2009 #2 D derf

Get Price### GROSS POWER CALCULATORSMC Testing

Figures 5 and 6 respectively Accurate measurements of the ball filling can only be made after the mill is ground out In this case the mill is operated with the feed turned off until all of the ore has exited the mill Measurements of the ball level within the mill can then be made Figure 7 shows an example of the balls in a mill after a

Get Price### wikiHow How to instructions you can trust.

Learn how to do anything with wikiHow the world s most popular how to website Easy well researched and trustworthy instructions for everything you want to know.

Get Price### How to Draw a Free Body Diagram 10 Steps with Pictures

To draw a free body diagram start by sketching a simple representation of the body you want to make the diagram of like a square to represent a box Next draw arrows on the shape that show the forces acting on the object For example draw a downward arrow to signify the weight of the object since gravity pulls the object down.

Get Price### Mill power draw modelsSAGMILLING

Mill Power Draw Models The mill power draw models are used to predict how much power will be consumed by a particular type of mill mill geometry and set of mill operating conditions This power is transferred to the ore and used to predict the throughput when combined with the specific energy consumption models.

Get Price### How to Draw a Soccer Ball Step By StepFor Kids

How to Draw Soccer Ball Step by Step How to draw a soccer ball is illustrated below with easy steps If you are willing to draw it on paper just follow the images Firstly you need to draw a circle for the base Then draw a hexagon at the side of the circle keep on drawing hexagons keeping the same base for adjacent ones after drawing 7

Get Price### How to Draw the Head From Any Angle Stan

Step 2Find the thirds After establishing the angle of the ball divide the face into thirds The distance between the hairline and brow line should be the same as the distance between the brow line and bottom of the nose Add that same distance to find the chin Notice how the hairline and nose line align with the top and bottom bottom of

Get Price### 4 Ways to Draw a PuppywikiHow

To draw a cartoon puppy sketch the outline of the body and the head using a slightly larger oblong circle for the head and a rounded rectangle like shape for the body Then sketch the ears limbs and tail on the head and body In the center of the head draw

Get Price### MODULE #5 FUNCTIONAL PERFOMANCE OF BALL

Effective mill power draw Ball mill specific grinding rate Ball mill grinding efficiency The circuit output is defined as the production rate of fines by the circuit It is calculated from three values 1 The dry ore feed rate to the circuit t/h 2 The fines in

Get Price### Analysis of power draw in ball mills by the discrete

But as the mill speed approaches the critical value more number of balls start to stick on the mill shell the effective ball mass reduces and thus the mill tends to draw less power In this context one should realize that the peak of the curve would depend upon friction between mill

Get Price### Benchmarking Ball Mill Power Draw Models

See details of benchmarking Benchmarking Ball Mill Power DrawSanta Rita Latchireddi S Faria E Achievement of High Energy Efficiency in Grinding Mills at Santa Rita Proceedings of the Canadian Mineral Processors Annual General Meeting Ottawa Canada January 2013 Faria E Latchireddi S Commissioning and Operation of Milling Circuit at Santa Rita Nickel Operation Paper

Get Price### SAGMILLING Mill Critical Speed Determination

The Critical Speed for a grinding mill is defined as the rotational speed where centrifugal forces equal gravitational forces at the mill shell s inside surface This is the rotational speed where balls will not fall away from the mill s shell Result #1 This mill would need to spin at RPM to be at 100 critical speed Result #2 This mill s

Get Price### How to Draw Still Life 11 Steps with Pictures wikiHow

1 Start by picking an easy object to draw such as a ball a book a box etc If you are a beginner then any object without too much detail or has an interesting shape will do It s very important not to rush yourself into trying something that may be too difficult.

Get Price### Optimization of mill performance by using

Optimization of mill performance by using online ball and pulp measurements by B Clermont and B de Haas Synopsis Ball mills are usually the largest consumers of energy within a mineral concentrator Comminution is responsible for 50 of the total mineral processing cost In today s global markets expanding mining groups are trying

Get Price### SAGMILLING

Grinding Circuit Modelling Documentation This documentation describes the operating and underlying mathematics of the SAGMILLING grinding circuit modelling program It is intended to be used by the model users who want to operate and understand the functioning of grinding models.

Get Price### Analysis of Power Draw in Ball Mills by the Discrete

Abstract Ball mills like other comminution devices consume large amounts of energy Mill operators often have to assess the power draft of mills for an entirely different set of operating conditions or for a reconfigured circuit It is shown that the power draft can be accurately predicted from analysis of the motion of the charge The motion of the charge is rigorously simulated with a

Get Price### TECHNICAL NOTES 8 GRINDING R P King

drawn by ball semi autogenous and fully autogenous mills have been developed by Morrell and by Austin Morrell S Power draw of wet tumbling mills and its relationship to charge dynamicsPart 2 An empirical approach to modeling of mill power draw Trans Instn Mining Metall Sect C Mineral Processing Extr Metall 105 January April

Get Price### Charge behaviour and power consumption in ball mills

Discrete element method DEM modelling has been used to systematically study the effects of changes in mill operating parameters and particle properties on the charge shape and power draw of a 5 m ball mill Specifically changes in charge fill level lifter shape either by

Get Price### CALCULATION OF THE POWER DRAW OF DRY

Bond ball mill grindability test for overflow wet ball mills An approach was proposed by Erdem 2002 for dry multi component cement grinding ball mills using the results of the Bond ball mill grindability test For all model based methods a reliable method to calculate mill power draw for a

Get Price### How To Draw A Golf Ball ConsistentGolf

A draw shot is largely considered to be one of those amazing golf shots that many golfers can only dream of hitting It is considered so usually because most average golfers slice the ball a left to right shot But in order to draw the ball a golfer must understand what creates a draw

Get Price### How to Make a Ball Mill 12 Steps with Pictures wikiHow

Ball mills are a special instrument used to break up hard solids into a fine powder They are similar to rock tumblers in that the instrument is a rotating container filled with heavy balls to grind the substance into powder Ceramic material crystalline compounds and even some metals can be ground up using a ball mill.

Get Price### How to Draw a BallDesign Illustration Envato Tuts

How to Draw a Tennis Ball Step 1 Draw a circle with perpendicular diameters as explained earlier Step 2 Draw a thick teardrop shape inside this circle Step 3 Draw a curve towards the edge of the circle starting from the point where the teardrop crosses the horizontal diameter Step 4 Draw a curve on each side of this curve to create a

Get Price### How to Draw a Soccer Ball Art Projects for Kids

Soccer balls are a little more complex to draw than a basketball or football thanks to all their hexagon shapes Some more thought is involved but that s not to say it can t be done with a little help This tutorial directs students in how to start their pattern with a center hexagon and then gradually work out until their entire ball is

Get Price### 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 from one size distribution The following shows how the size or select the matching mill required to draw this power is calculated from known tables the old fashion way .

Get Price### How to Draw a Beach BallReally Easy Drawing Tutorial

1 Begin by drawing a circle This outlines the shape of the beach ball Beach Ball drawingstep 2 2 Draw another smaller circle within the beach ball Beach Ball drawingstep 3 3 Draw a long curved line from the inner circle to the edge of the beach ball.

Get Price### How to Size a Ball Mill Design Calculator Formula

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

Get Price### MILLING CONTROL OPTIMISATIONMintek

Also the mill load varied in the range of 125 to 165 tons These disturbances propagated throughout the milling circuit and even to the flotation circuit The Millstar Power Optimiser gave the following benefits Mill feed cuts were prevented resulting in a stable mill loading No huge power dips occurred since any sign of the mill

Get Price### AMIT 135 Lesson 7 Ball Mills CircuitsMining Mill

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.

Get Price### Advanced Controller for Grinding Mills Results from a

The ball mill is in closed circuit with a sump and three cyclone classifiers The ore and trim water are added to the ball mill and the outflow from the ball mill goes to a sump where additional water is added The slurry from the ball mill is pumped out of a sump into two cyclone separators The underflow from the cyclone is returned to the ball mill Balls are added periodically to the mill on a per shift basis or when the power draw

Get Price### PDF Effect of Lifter Shapes on the Mill Power in a Ball Mill

To study the effect of lifter shapes on mill power a DEM model ∅ 520 40 mm with 24 pieces of lifter was established As shown in Figure 1 the lifter was designed with three different

Get Price### MODELLING THE INFLUENCE ON POWER DRAW OF THE

phenomena of slurry pooling and the decrease in power draw observed in ball mills after startup when feed is first introduced into the mill Keywords SAG Milling Comminution 1 Introduction If one looks back over the last 70 years or so there is a fairly common theme to most of

Get Price### Power draw estimation of ball mills using neural networks

Estimating the power draw of a ball mill is of great importance from both operational and control standpoints There are many factors that affect the power draw and its prediction is particularly difficult in an operating plant The important factors that affect power draw are the mill dimensions and operating parameters Although mill dimensions remain the same for any given mill the

Get Price### Calculating Power Draw when sizing Ball MillsGrinding

The power draw is driven mainly by mill diameter and length ball and slurry charge level and rotational speed But the slurry charge in an overflow ball mill doesn t change very much because most of the slurry occupies the void space in between the balls so as the circulating load increases the discharge rate also increases.

Get Price### Analysis of power draw in ball mills by the discrete

But as the mill speed approaches the critical value more number of balls start to stick on the mill shell the effective ball mass reduces and thus the mill tends to draw less power In this context one should realize that the peak of the curve would depend upon friction between mill

Get Price### Ball Mill Design/Power CalculationLinkedIn

If P is less than 80 passing 70 microns power consumption will be Ball Mill Power Calculation Example A wet grinding ball mill in closed circuit is

Get Price### The operating principle of the ball mill

The operating principle of the ball mill consists of following steps In a continuously operating ball mill feed material fed through the central hole one of the caps into the drum and moves therealong being exposed by grinding media The material grinding occurs during impact falling grinding balls and abrasion the particles between the balls Then discharge of ground material performed

Get Price### Advanced Controller for Grinding Mills Results from a

to the ball mill and the outflow from the ball mill goes to a sump where additional water is added The slurry from the ball mill is pumped out of a sump into two cyclone separators The underflow from the cyclone is returned to the ball mill Balls are added periodically to the mill on a per shift basis or when the power draw drops below a

Get Price