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• # (pdf) optimum choice of the make-up ball sizes for maximum

are shown in three-ball-size ternary diagrams for various feed sizes with a circulation ratio of 2.5 at a size reduction ratio of 45:1 using a 1 m diameter ball mill

• ### ball size distribution for the maximum production of a

Nov 01, 2015 · A Matlab® algorithm was written to search for the optimal parameters of ball filling, ball size, in-feed flow rate and ball composition over the range of 0 < J < 60%; 10 < d max < 60 mm; 10 < d 2 < 50 mm; 2 < Q < 4 m 3 /min and 0 < m 1 < 1, that would produce …

• ### optimum choice of the make-up ball sizes for maximum

Sep 01, 2013 · For the feed size of 90% passing 18.9 mm ( Fig. 6 a), the maximum capacity was obtained with 100% of a make-up ball size of 50.8 mm. As the feed size is reduced to 13.4 mm, a 62:38 mix of 50.8 mm and 25.4 mm balls was found to be the optimum mix

• ### ball mill output feed size - kanzlei-schulseelsorges webseite!

Horizontal Ball Mill: Capacity: 1 - 30 TPH: Size: Dia (1.2 to 2.8 meters) x Long (3 to 14 meters) Brand: Laxmi: Feed Size: 15 mm: Output Size: 170 mesh (90 micron) Drive: TEFC SLPR Motor Through Double Stage Helical Gear Box

• ### calculate and select ball mill ball size for optimum grinding

Aug 02, 2013 · In Grinding, selecting (calculate) the correct or optimum ball size that allows for the best and optimum/ideal or target grind size to be achieved by your ball mill is an important thing for a Mineral Processing Engineer AKA Metallurgist to do. Often, the ball used in ball mills is oversize “just in case”. Well, this safety factor can cost you much in recovery and/or mill liner wear and

• ### how to size a ball mill -design calculator & formula

﻿ 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

• ### miningball mill feed size- sre machineries

The size of ore shall not exceed 65mm and the best feed size is under 6mm The effect in this job is better than coarse grinding Grid ball mill consists of the shell feeding part discharging part main bearing lubricating system driving system and other parts

• ### (pdf) optimum choice of the make-upballsizes formaximum

are shown in three-ball-size ternary diagrams for various feed sizes with a circulation ratio of 2.5 at a size reduction ratio of 45:1 using a 1 m diameter ball mill

• ### ball size distributionfor themaximumproduction of a

Nov 01, 2015 · The simulated product size distributions were found to display a close match with the measured product from an operational mill. Based on the maximum production of floatable particles, the best combination of make-up ball size was determined in relation to feed flow rate, feed size distribution and ball …

• ### ball mill design/power calculation

Dec 12, 2016 · A wet grinding ball mill in closed circuit is to be fed 100 TPH of a material with a work index of 15 and a size distribution of 80% passing ¼ inch (6350 microns). The required product size

• ### ballnose finishingmills speed & feed calculator- dapra

Ball Nose Finishing Mills Speed & Feed Calculator Instructions: Fill in the blocks shaded in blue with your application information. The calculator will automatically provide the necessary speed and feed in …

• ### how do youget the cutting parameters right for smallend

Jul 24, 2009 · I struggle with the speeds and feed rates for "small" ball end mills (0.03125, 0.040, 0.0625) when cutting our typical tool steels such as P-20, A2, and H13. We are limited to a maximum spindle speed of 15,000 rpm

• ### effect ofmilltype on thesize reduction andphase

Sep 29, 2015 · XRD and TEM studies confirm that the planetary ball mill causes phase transformation to the less desired α-Alumina resulting in a notable decrease in surface area from 136.6 m 2 /g to 82.5 m 2 /g as measured by the BET method. This is consistent with the large shear stresses under high shear rates prevailing in the planetary ball mill when compared to the other mill types

• ### ball mills- mineral processing & metallurgy

Metallurgical ContentBall Mill Capacity VS Rod Mill CapacityWorking Principle & OperationRod Mill Capacity TableBall VS Rod Mill ConversionTypes of Mill DischargeBall Mill Trunnion and Mill Grate DischargePeripheral Grinding Mill DischargeLoad Capacity of Trunnion BearingsBall Mill & Rod Mill LinersGrinding Mill GearsGrinding Mill DrivesBall Mill Grinding CircuitBall Mill SpecificationsAll