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  • Calculate and Select Ball Mill Ball Size for Optimum Grinding

    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

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  • Ball Mills an overview ScienceDirect Topics

    Generally, a maximum allowed ball size is situated in the range from D/18 to D/24. The degree of filling the mill with balls also influences the productivity of the mill and milling efficiency. With excessive filling, the rising balls collide with falling ones. Generally, filling the mill by balls must not exceed 30%–35% of

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  • what is the feed size for ball mill Pochiraju Industries Ltd

    Optimum choice of the make-up ball sizes for maximum throughput Jun 27, 2013 However, their work was based on one set of milling conditions, one set of a feed size distribution and breakage characteristics, and one mill Get Price. Technical Note New Size Laboratory Ball Mill For Bond Work Index The work input is given by the following equation: [111W = 1 Owi( FP FF(1)] where W

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  • Feed Size On The Ball Product Ball Mill How Coarse Can

    Feed Size On The Ball Product Ball Mill. How Coarse Can Ball Mill Feed Be Grinding, Feeding 15mm to a ball mill this size is not typical much larger ball mills 21 or 70m diameter typically get 1216mm feed from what i have seen in my experience with regards to 35 4 media typically for ball mills of this size 16 max size of ball used shou, Feed Size On The Ball Product Ball Mill

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  • How to know size of feed in ball mill

    Ball Mill An Overview ScienceDirect Topics . Ball mills give a controlled final grind and produce flotation feed of a uniform size Ball mills tumble iron or steel balls with the ore The balls are initially 510 cm diameter but gradually wear away as grinding of the ore proceeds The feed to ball mills dry basis is typically 75 vol% ore and 25% steel

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  • Optimum choice of the make-up ball sizes for maximum

    01/09/2013· For the feed size of 90% passing 18.9 mm (Fig. 6a), 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. As the feed size is reduced further, less of the 50.8 mm balls and more of the 25.4 mm balls are required for the maximum capacity, attaining

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  • Ball Mill Design/Power Calculation

    12/12/2016· 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...

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  • Feed Size VS Ball Size Grinding & Classification

    To participate in the 911Metallurgist Forums, be sure to JOIN & LOGIN Use Add New Topic to ask a New Question/Discussion about Grinding. OR Select a Topic that Interests you. Use Add Reply = to Reply/Participate in a Topic/Discussion (most frequent). Using Add Reply allows you to Attach Images or PDF files and provide a more complete input. Use Add Comment = to comment on someone else’s

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  • Ball Mill Load & feed Page 1 of 1

    03/12/2010· Re: Ball Mill Load & feed. Dear GKS, You are correct in stating that main drive kw only increase when less grinding media charge and small size of grinding media w.r.t. feed size and feed rate. However, it was to be stated in my reply that Kwh/t of material increases in chocked condition of the mill as there is no output from the mill. Warm regards

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  • what is the feed size for ball mill Pochiraju Industries Ltd

    Optimum choice of the make-up ball sizes for maximum throughput Jun 27, 2013 However, their work was based on one set of milling conditions, one set of a feed size distribution and breakage characteristics, and one mill Get Price. Technical Note New Size Laboratory Ball Mill For Bond Work Index The work input is given by the following equation: [111W = 1 Owi( FP FF(1)] where W

    Details >
  • Feed Size On The Ball Product Ball Mill How Coarse Can

    Feed Size On The Ball Product Ball Mill. How Coarse Can Ball Mill Feed Be Grinding, Feeding 15mm to a ball mill this size is not typical much larger ball mills 21 or 70m diameter typically get 1216mm feed from what i have seen in my experience with regards to 35 4 media typically for ball mills of this size 16 max size of ball used shou, Feed Size On The Ball Product Ball Mill

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  • material size feeding into a ball mill

    Material Size Feeding Into A Ball Mill. A ball mill is a type of grinder used to grind materials into extremely fine powder 7 Material feed size 8 mm Final fineness 5 181m Setting of vibrational frequency digital 3 30 Hz 180 1800 min1 Planetary Mills 12 13 Planetary Ball Mill PM 400 Feed material soft hard brittle fibrous dry or wet

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  • How to know size of feed in ball mill

    Ball Mill An Overview ScienceDirect Topics . Ball mills give a controlled final grind and produce flotation feed of a uniform size Ball mills tumble iron or steel balls with the ore The balls are initially 510 cm diameter but gradually wear away as grinding of the ore proceeds The feed to ball mills dry basis is typically 75 vol% ore and 25% steel

    Details >
  • Ball Mill: Operating principles, components, Uses

    They differ to an extent in their operating principle. They also differ in their maximum capacity of the milling vessel, ranging from 0.010 liters for planetary ball mills, mixer mills, or vibration ball mills to several 100 liters for horizontal rolling ball mills. Contents [ show] 1 Pharmaceutical uses of Ball Mill.

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  • Ball Mill Design/Power Calculation

    12/12/2016· 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...

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  • THE OPTIMAL BALL DIAMETER IN A MILL

    is the maximum ball diameter in a charge, d is the characteristic top limit of the material size which is being ground (d 95 or d 80 in the formulae is recommended for industrial mills); K and n are parameters, for which all authors say to be dependent on the mill characteristics, grinding conditions and characteristics of the material being ground. They are determined experimentally. Even a

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  • How can one select ball size in ball milling and how much

    The ball size to be decided based on the impact energy requirement. Bigger balls helps in size reduction if the feed particles are bigger in size like chunks. If the powder is feed for milling

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  • Ball Mill Load & feed Page 1 of 1

    03/12/2010· Re: Ball Mill Load & feed. Dear GKS, You are correct in stating that main drive kw only increase when less grinding media charge and small size of grinding media w.r.t. feed size and feed rate. However, it was to be stated in my reply that Kwh/t of material increases in chocked condition of the mill as there is no output from the mill. Warm regards

    Details >
  • PROCESS DIAGNOSTIC STUDIES FOR CEMENT MILL

    The main principle of the concept is that maximum production is obtained from a ball mill when the mill motor power is at a maximum and consequently the specific energy consumption is at minimum. The maximum power point is dependent upon the feed material characteristics, mill liner conditions, grinding media charge and product size requirements.

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