EDM with USM Combination Process of Sintered NdFeB Permanent Magnet

Abstract:

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This paper presents an experimental investigation of the machining characteristics of sintered NdFeB permanent magnet using a combination process of electro-discharge machining (EDM) with ultrasonic machining (USM). Concentration of abrasive in the dielectric fluid is changed to explore its effect on the material removal rate (MRR). MRR of EDM /USM, conventional EDM are compared, machined surface characteristics are also compared between them. It is concluded that the combination EDM/USM process can increase the MRR and decrease the thickness of the recast layer. In the combination process, an appropriate abrasive concentration can improve its machining efficiency.

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Periodical:

Edited by:

Ran Chen

Pages:

1066-1069

DOI:

10.4028/www.scientific.net/AMM.44-47.1066

Citation:

L. Li et al., "EDM with USM Combination Process of Sintered NdFeB Permanent Magnet", Applied Mechanics and Materials, Vols. 44-47, pp. 1066-1069, 2011

Online since:

December 2010

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$35.00

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