Effects of Electrical Discharge Energy on Machining Performance of Sintered NdFeB Magnet

Abstract:

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Sintered NdFeB permanent magnet is widely used in many areas because of its excellent magnet property. In this study, the machining parameters of electrical discharge machining (EDM) are varied to study the effects of electrical discharge energy on material removal rate and surface roughness of NdFeB magnet. Moreover, the micro-cracks on the machined surface induced by EDM are also examined. The experimental results reveal that the MRR increases with the electrical discharge energy. The number of surface cracks on the machined surface increases with the enhancement of discharge energy Thus, using EDM process to machine sintered NdFeB magnet depends on setting the machining parameters to prevent surface crack.

Info:

Periodical:

Materials Science Forum (Volumes 620-622)

Edited by:

Hyungsun Kim, JienFeng Yang, Tohru Sekino and Soo Wohn Lee

Pages:

711-714

DOI:

10.4028/www.scientific.net/MSF.620-622.711

Citation:

L. Li et al., "Effects of Electrical Discharge Energy on Machining Performance of Sintered NdFeB Magnet", Materials Science Forum, Vols. 620-622, pp. 711-714, 2009

Online since:

April 2009

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Price:

$35.00

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