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	High-speed EDM milling with moving electric arcs
	Han, Fuzhu ; Wang, Yongxain ; Zhou, Ming
	2010-10-12 ; 2010-10-12
关键词	EDM Milling Moving electric arcs DC power supply Engineering, Manufacturing Engineering, Mechanical
中文摘要	A novel high-speed electrical discharge machining (EDM) milling method using moving electric arcs has been proposed in this study. We connected a copper electrode rotating rapidly around its axis and a work piece to a DC power supply to generate a moving electric arc. To ensure high relative speed of any point on the electrode with respect to the work piece, the electrode was shaped like a pipe. It was observed that the electric arcs move rapidly within the discharge gap due to the revolution of the tool electrode, removing the materials on the electrode along the track of the arc roots. To explore the characteristics of machining with moving electric arcs, an EDM milling apparatus was devised. Two planes with approximately the same roughness were machined separately by this equipment and a traditional EDM machine for comparison. It was found that a much higher material removal rate can be easily achieved by EDM milling with moving electric arcs. In the meanwhile, wear of the tool electrode in this new method is negligible, which is greatly favorable for machining accuracy. The microstructures of these surfaces were also investigated for further information. (C) 2008 Elsevier Ltd. All rights reserved.
语种	英语 ; 英语
出版者	ELSEVIER SCI LTD ; OXFORD ; THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/80194]
专题	清华大学
推荐引用方式 GB/T 7714	Han, Fuzhu,Wang, Yongxain,Zhou, Ming. High-speed EDM milling with moving electric arcs[J],2010, 2010.
APA	Han, Fuzhu,Wang, Yongxain,&Zhou, Ming.(2010).High-speed EDM milling with moving electric arcs..
MLA	Han, Fuzhu,et al."High-speed EDM milling with moving electric arcs".(2010).

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