Wear Mechanism and Preventive Measure of Electrode in Micro-EDM

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Wear course was experimental analyzed and mechanism of electrode wear was discussed based on finite element analysis and electromagnetic theory. Cu–TiN nano composite electrode was prepared on Cu electrode by electro deposition and effects of the electrode on discharging were studied. It is shown that electric field distortion and skin effect are two of the basic reasons on electrode wear. Cu–TiN nano composite electrode is one of the the effective ways for uniform wear of electrode in EDM.

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540-543

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October 2009

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© 2009 Trans Tech Publications Ltd. All Rights Reserved

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