Rod mills how they function Mine

Rod mills operate at lower speed than ball mills since the rods are rolled and not cascaded For an equivalent grind a rod mill uses less steel than a ball mill because of the lower speed and better contact between the media and ore The rod charge must be maintained in good working condition and broken and worn rods must be removed Rod

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Design features of grinding equipment SAG BALL and ROD MILLS AG/SAG mills can accomplish the same size reduction work as two or three stages of crushing and screening a rod mill and some or all of the work of a ball mill Because of the range of mill sizes available AG/SAG milling can often be accomplished with fewer lines than in a conventional rod mill/ball mill circuit A diagram

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01/01/2021· Design of Rod Mill Ball Mill Circuits Due to relatively uniform coarse product size and low slimes rod mill products have been generally used as feed material for ball mills The comminution circuits are generally arranged to receive crushed ore from a secondary crusher first to rod mills and then to ball mills The product from the rod mill is either fed directly to a ball mill or to a

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The rod mill is loaded with the grinding media of steel bars It consists of five parts including cylinder shell feeding system discharge system main bearing and transmission system It is available for both of the dry grinding and wet grinding fashion as the customer s needs By using a new advanced technology of inlet and outlet control we can match the befitting grinding media

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The following equation is used to determine the power that a rod mill should draw The Bottom Table lists many of the common size rod mills giving speed loading and power data The rod mill motor power is in horsepower at the mill pinion shaft For different length rod mills power varies directly as rod length For difference between new and worn liners increase power draw by 6% and adjust

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The wire rod mill of the Kimitsu Works started operation in 1971 as a mill equipped with a no twist block mill installed on each of four strands and a highly efficient mill capable of simultaneously rolling different qualities and sizes of steel materials Recently in 2021 a new intermediate rolling mill pre finish block mill PFB was introduced and a significant improvement in the

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on wear is another issue Stresses from Hertzian pressure in 4 high cold mill back up rolls were measured years ago the results were never published but of high interest also maybe later K H Schröder July 2021 K H Schröder A BASIC UNDERSTANDING OF THE MECHANICS OF ROLLING MILL ROLLS File

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Design Foundation Of Ball Mill Design foundation of ball mill ball mill foundation design in canada gold ore crusher ball mill foundation design in our sagag ball and rod mills is an important strategic foundation ball mill design concrete foundation vol issue record in the design of mining equipment sag mill and three ft ball mills each driven by a standard engineering design of mill

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aids/methodologies for foundation design Various issues related to mathematical modeling and interpretations of results are discussed at length Intricacies of designing vibration isolation system for heavy duty machines are also discussed Influences of dynamic characteristics of foundation elements viz beams columns and pedestals etc on the response of machine along with some case

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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 size product size as P80 and maximum and finally the type of circuit open/closed

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29/11/2021· Design of Raft Foundation Design of Pile Cap Excel Sheet DESIGN OF PILE CAP Project Management Templates T beam Design Excel Sheet One and Two Way Slab Quantity Combined Strap Footing Design Summary of Bill of Quantities Civil Works Bar Bending Schedule DESIGN OF PILES BASED ON LOAD CAPACITY REINFORCEMENT STEEL SPECIFICATIONS ONE WAY AND TWO WAY SLAB DESIGN …

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A rod mill is recommended if we want to properly grind large grains because the ball mill will not attack them as well as rod mills will In this chapter the theories involved in the design and operation of these mills as established till now are explained Further theoretical studies and designs of the mills are still in progress for a better understanding and improved operation

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Design recommendation for sloshing phenomena in tanks has been added in this publication Design spectra for sloshing spectra for long period range in other words damping ratios for the sloshing phenomena and pressures by the sloshing on the tank roof have been presented For above ground vertical cylindrical storage tanks without any restraining element such as anchor bolts or straps to

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liner design such as the toe and shoulder regions Production is disrupted for the duration of the procedure grind out mill stoppage mill start up and the transition period to steady state Stresses generated in the ball charge increase which may result in spalling of balls and blocking the grate discharge Optimization of mill performance by using online ball and pulp measurements by B

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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

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M/s FL engaged D CAD Technologies New Delhi for Design of Foundation of Rod Mill for Alumina Refinery Plant of M/s Utkal Alumina International Ltd Orissa Foundation about 17 m x 10 m x m is supported on Piles 750 mm dia 20 m long Piles are so located so as to yield minimum foundation eccentricity

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14/03/2021· Any handbooks/papers for the manual design of SAG/ball/rod mill foundations We are doing a preliminary design only and don t want to use finite element software RE Manual design of SAG/ball/rod mill foundations youngstructural Structural 7 Mar 07 18 27 I have a bit of a long answer here so I ll give you a synopsis I don t think an design can be produced manually and I think a

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The wire rod block has a group and not individual drive for all stands the shaping in the different passes is done with a calculated tension between the stands in the block in other words the shaping is not tension free like in the intermediate mill The tension between the stands depends first from constant parameters like the shape of the groove working roll diameter in the groove roll

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