### How to choose ball mill and rod mill? Bailing Machinery

In the fine grinding production line, when the product size is less than 0.5mm, the grinding effect of the ball mill is greater than that of the same size rod mill. That is, the products of the ball mill are more refined, and the products of the rod mill are rougher, but more uniform. (3) Choose according to production method

Live Chat### Ball and Rod Mill PK Mining

Rod mills are grinding machine which employ high carbon steel or special steel rods of nearly the same length as that of the drum, in place of steel balls in ball mills. Rod mill products are generally coarser than those produced in a ball mill, and rod mills are well suited to handle coarser feed and to control the top size of the product

Live Chat### Ball Mill Operating principles, components, Uses

A ball mill also known as pebble mill or tumbling mill is a milling machine that consists of a hallow cylinder containing balls; mounted on a metallic frame such that it can be rotated along its longitudinal axis. The balls which could be of different diameter occupy 30 50% of the mill volume and its size depends on the feed and mill size.

Live Chat### Technical Performance and Application of Ball Mill and Rod

Rod mill. Unlike the ball mill, the grinding medium in the rod mill is a steel rod, so the working characteristics are significantly different from those of the ball mill. Since the steel balls are in point contact, the steel rods are in line contact.

Live Chat### Ball Mills an overview ScienceDirect Topics

The ball mill is a tumbling mill that uses steel balls as the grinding media. The length of the cylindrical shell is usually 11.5 times the shell diameter (Figure 8.11).The feed can be dry, with less than 3% moisture to minimize ball coating, or slurry containing 2040% water by weight.

Live Chat### Ball Mill Operating principles, components, Uses

A ball mill also known as pebble mill or tumbling mill is a milling machine that consists of a hallow cylinder containing balls; mounted on a metallic frame such that it can be rotated along its longitudinal axis. The balls which could be of different diameter occupy 30 50% of the mill volume and its size depends on the feed and mill size.

Live Chat### effects of increased tonnage to a ball mill

Mar 17, 2017 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 or pulp density, feed size as F80 and maximum 'chunk

Live Chat### Technical Performance and Application of Ball Mill and Rod

Rod mill. Unlike the ball mill, the grinding medium in the rod mill is a steel rod, so the working characteristics are significantly different from those of the ball mill. Since the steel balls are in point contact, the steel rods are in line contact.

Live Chat### Rod Mill YouTube

Jul 10, 20170183;32;A rod mill operation principle and inside motion. https//911metallurgist/blog/rod mills

Live Chat### AMIT 135 Lesson 8 Rod Mills Mining Mill Operator Training

IntroductionReduction RatioRod Mill CapacityRod Mill Capacity ProblemsRod Mill Power Draft1. Used as the primary comminution unit in a grinding circuit. 2. Rods are placed parallel along the length of the rod mill. 3. Rods are 150mm shorter than the mill length. 4. Breakage occurs more from cascading than cateracting. 5. The product size distribution is narrower than a ball mill but significantly coarser. 6. Most are overflow discharge type. 7. Length to diameter= 1.4 to 2.3. 8. Mill length = 7 meters.Live Chat### Rod/Ball Mill Eriez Lab Equipment

Ball/Rod mill Literature . The Ball/Rod mills are meant for producing fine particle size reduction through attrition and compressive forces at the grain size level. They are the most effective laboratory mills for batch wise, rapid grinding of medium hard to very hard samples down to finest particle sizes.

Live Chat### The Difference Between the Ball Mill and Rod Mill Essay

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

Live Chat### Ball Mill and Rod Mill Modular Mining Equipment

Ball mill and rod mill solutions are available here at APT, providing an effective means for grinding and blending materials in preparation for mineral liberation, from rock to dust. APT specifies and designs the entire circuit around the mill, to ensure that the target product size is achieved. Ava

Live Chat### Rod mills, how they function Mine Engineer.Com

Maximum rod length is limited to about 6.1 m (20 ft). This in turn limits the length, diameter, and capacity of rod mills. The heavier rods acting upon the lifters and liners result in greater wear on the mill liners. Rod mills normally carry 35 to 65% rod charge by volume.

Live Chat### Which one is the best, ball mill or rod mill? Vents Magazine

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Live Chat### Rod Mills Mineral Processing amp; Metallurgy

The Rod Mill is probably the most flexible type of grinding unit available. The fineness of grind and tonnage may be easily varied by altering the mill speed, rod charge or dilution.

Live Chat### What are the limitations of a ball mill? Quora

May 03, 20170183;32;First, the advantages of ball mill 1, ball mill for a variety of materials can adapt to continuous production, production capacity, to meet the needs of large scale production. 2, ball mill crushing relatively large, easy to adjust the thickness o

Live Chat### AMIT 135 Lesson 7 Ball Mills amp; Circuits Mining Mill

Ball Size as Initial Charge. Commercial ball sizes 10 150 mm; Number, size and mass of each ball size depends on mill load and whether or not the media is being added as the initial charge. For the initial chargin of a mill, Coghill and DeVaney (1937) defined the ball size as a function of the top size of the feed, i.e., dV = 0.40 KF

Live Chat### What are the limitations of a ball mill? Quora

May 03, 20170183;32;First, the advantages of ball mill 1, ball mill for a variety of materials can adapt to continuous production, production capacity, to meet the needs of large scale production. 2, ball mill crushing relatively large, easy to adjust the thickness o

Live Chat### Lab Rod Mill Lab ball mills,Lab Powder Equipment,Lab

Laboratory Rod Mill is a lab grinding equipment for wet or dry grinding of ore. It is applied in labs for processing and fine grinding of artificial placer materials and ores in metallurgical, building material, chemical, light, coal, water conservancy, electric power, agricultural and geological industries.

Live Chat### Rod Mill Ball Mill,Ball Mill Supplier,Ball Mill For Sale

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. To prevent the conditions leading to rod charge tangling, the length to diameter ratio is maintained at 1.4 to 1.6. Rod mills accept feed up to about 50 mm (2 in.) and produce a product in the size range of 3000 to 270 mm (4 to 35 mesh).

Live Chat### Ball Mills for sale, Pebble Mills, Rod Mills, SAG Mill

We offer the most reliable choice for all kinds of Ball Mills, Rod Mills, Pebble Mills, SAG Mills, Mine Hoists, Crushers, Synchronous Motors, DC Motors, Flotation, Mixers, Pumps, Diesel Generators, Natural Gas Generators and all the Mining Equipment you require.

Live Chat### Matches Size Reduction cost ball, cage, cone crusher

Matches provides size reduction capital cost ball, cage, cone crusher, gyratory, pebble, rod, mill.

Live Chat### Drum Mill / Rod Mill TM 300 XL RETSCH

The TM 300 Drum Mill is used for the preparation of granules and powders. The grinding process is performed either in dry or wet conditions. The drum mill can be operated either as a Ball or as a Rod Mill by using the corresponding module. A sufficient number of balls or rods is required for an effective grinding process.

Live Chat### Mill (grinding)

W is the work index measured in a laboratory ball mill (kilowatt hours per metric or short ton) P 80 is the mill circuit product size in micrometers; F 80 is the mill circuit feed size in micrometers. Rod mill. A rotating drum causes friction and attrition between steel rods and ore particles.

Live Chat### TECHNICAL NOTES 8 GRINDING R. P. King Mineral Tech

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

Live Chat### Ball and Rod Mill PK Mining

Rod mills are grinding machine which employ high carbon steel or special steel rods of nearly the same length as that of the drum, in place of steel balls in ball mills. Rod mill products are generally coarser than those produced in a ball mill, and rod mills are well suited to handle coarser feed and to control the top size of the product

Live Chat### Batch Ball or Rod Mill Container Sepor

Sepors batch ball and rod mills are designed to give size reduction of laboratory quantities of minerals and ores. Feed size should generally be 1/8, for ball mill and 1/2 for rod mill. They are of a sturdy, rugged design to handle frequent use with hard materials.

Live Chat### ANALYSIS OF EFFICIENCY OF GRINDING IN BALL AND ROD

The grinding of materials was conducted in the following mills rod one of the length 440 mm and diameter 300 m and ball one 305 215; 305 mm. The length of rods was 400 mm and the maximum rod and ball diameter was equal to 20 mm.

Live Chat### Technical Performance and Application of Ball Mill and Rod

Rod mill. Unlike the ball mill, the grinding medium in the rod mill is a steel rod, so the working characteristics are significantly different from those of the ball mill. Since the steel balls are in point contact, the steel rods are in line contact.

Live Chat### Ball Mills vs Rod Mills

Rods in place weigh approximately 400 pounds per cu. ft. and balls in place approximately 300 pounds per cu. ft Thus, quantitatively, less material can progress through the voids in the rod mill grinding media than in the ball mill, and the path of the material is more confined.

Live Chat### Ball Mill Design/Power Calculation LinkedIn

Dec 12, 20160183;32;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

Live Chat### Ball Mills for sale, Pebble Mills, Rod Mills, SAG Mill

We offer the most reliable choice for all kinds of Ball Mills, Rod Mills, Pebble Mills, SAG Mills, Mine Hoists, Crushers, Synchronous Motors, DC Motors, Flotation, Mixers, Pumps, Diesel Generators, Natural Gas Generators and all the Mining Equipment you require.

Live Chat### ANALYSIS OF EFFICIENCY OF GRINDING IN BALL AND ROD

ANALYSIS OF EFFICIENCY OF GRINDING IN BALL AND ROD MILLS DEPENDABLY ON CONTENTS OF FINE PARTICLES IN FEED** 1. Introduction About efficiency of mill work the parameters of work decide, like rotary speed, load, grinding medium contents, sort of grinding medium and its size and parameters of the feed

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