Nov 01 2013 · Read "Global optimization of reliability design for large ball mill gear transmission based on the Kriging model and genetic algorithm Mechanism and Machine Theory" on DeepDyve the largest online rental service for scholarly research with thousands of academic publications available at

Published in Mechanism and Machine Theory · 2013Authors Guanyu Zhang · Guoqiang Wang · Xuefei Li · Yunpeng RenAffiliation Jilin UniversityAbout Global optimization · Genetic algorithm · Kriging · Gear transmission · Ball mill · Relia Get PriceA 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.

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Get PriceIn the case of the large ball mill this paper presents in detail the application of the stress–strength distribution interference theory to calculate the reliability of gear transmission establishes the Kriging model for function fitting and uses genetic algorithm to globally optimize the volume and reliability of large ball mill gear

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Get PriceDesign Method of Ball Mill by Discrete Element Method collected. The diameter of the gibbsite powder was measured using a Master Sizer 2000 (Sysmex Corpora-tion). Details of the experimental conditions are given in Table 2. Results and Discussion 1. Effects of Fins on Ball Motion in the Mill To predict ball mill grinding behavior using the dis-

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Get PriceThe 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

Get Pricemills with the rod mill and ball mill laboratory work indices. Note in Figure. 1 that the rod mill product slope is less than 0.5 due to an extra amount of nes present being ﬁ ﬁ ner than 650 μm. These ﬁ nes proceed to the ball mill improving the ball mill efﬁ ciency. Also the plotted rod mill P80 value as shown in Figure 1 is 2900

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Get PriceDESIGN AND FABRICATION OF MINI BALL MILL- METHODOLOGY Jul 17 2016 After a few hours stop the mini ball mill and the powder can be filtered out by the . basic properties of the milling bodies are their mass and size ware rate influence on the . this process and find a theory that applies. 33-35 .

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Get PriceA ball mill a type of grinder is a cylindrical device used in grinding (or mixing) materials like ores chemicals ceramic raw materials and paints.Ball mills rotate around a horizontal axis partially filled with the material to be ground plus the grinding medium. Different materials are used as media including ceramic balls flint pebbles and stainless steel balls.

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Get Pricethe 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

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