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Estimation of Particle Diameter of Ground Powder in a Tumbling Ball Mill by Using the Particle Element Method Simulation

  • Katsumura Hidenori
    Corporate Components Development Center, Panasonic Electronic Devices Co., Ltd.
  • Kagata Hiroshi
    Corporate Components Development Center, Panasonic Electronic Devices Co., Ltd.
  • Shimosaka Atsuko
    Department of Chemical Engineering and Materials Science, Faculty of Engineering, Doshisha University
  • Hidaka Jusuke
    Department of Chemical Engineering and Materials Science, Faculty of Engineering, Doshisha University

Bibliographic Information

Other Title
  • 粒子要素法シミュレーションによる転動ボールミル微粉砕粒子径の推算
  • プローブ ニ ヨル ビリュウシ ノ マニピュレーション ト セツゴウ
  • リュウシ ヨウソホウ シミュレーション ニ ヨル テンドウ ボール ミル ビフンサイ リュウシケイ ノ スイサン
  • プローブによる微粒子のマニピュレーションと接合

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Abstract

A method for estimating the particle diameter of submicron ceramic powder ground by a tumbling ball mill is proposed by using the Particle Element Method (PEM). The method employs both the experimental grinding test and the simulation results with the minimum grinding energy concept. When mill capacity is approximately 10 times that used for the experiments mimicking a pilot plant, the ground particle diameter estimated from the friction energy showed good correlation with the experimental results. The analysis based on the minimum grinding energy suggests that the principal factor in the grinding of submicron powder is the friction between the ball and the wall. This method is useful for estimating a particle diameter of ground submicron powder.

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