Effect of electrorheological fluid assistance on micro ultrasonic machining

T. Tateishi, K. Shimada, N. Yoshihara, J. W. Yan, T. Kuriyagawa

研究成果: Conference contribution

7 被引用数 (Scopus)

抄録

Ultrasonic machining (USM) is an effective machining method for hard brittle materials. In the USM process, the slurry is supplied to the gap between the ultrasonic vibrating tool and the workpiece. Materials are removed by the accumulation of small brittle fractures made by the impacts of abrasive grains. In a previous study, we proposed electrorheological fluid (ER fluid) assisted-USM, and the effect of ER fluid-assisted USM was confirmed practically by machining precise micro-holes and micro-grooves on hard brittle materials. In the present paper, in order to confirm the effect of ER fluid assistance for micro USM in more detail, the behavior of abrasive grains in the machining area is observed. The effect of dielectrophoretic force acts on the abrasive grains and the effect of using ER fluid assistance are investigated. As a result, the abrasive grains can closely approach the micro tool by the effect of dielectrophoretic force and be fixed around the micro tool by the effect of ER fluid assistance. Under these conditions, the workpiece is removed primarily by the accumulation of small brittle fractures, and the chipping can be reduced.

本文言語English
ホスト出版物のタイトル8th CHINA-JAPAN International Conference on Ultra-Precision Machining, CJICUPM2008
ページ148-152
ページ数5
DOI
出版ステータスPublished - 2009 11 4
外部発表はい
イベントCHINA-JAPAN International Conference on Ultra-Precision Machining, CJICUPM2008 - Changsha, China
継続期間: 2008 11 242008 11 25

出版物シリーズ

名前Advanced Materials Research
69-70
ISSN(印刷版)1022-6680

Other

OtherCHINA-JAPAN International Conference on Ultra-Precision Machining, CJICUPM2008
CountryChina
CityChangsha
Period08/11/2408/11/25

ASJC Scopus subject areas

  • Engineering(all)

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