Paper Title:
Study on the Characteristics of Discharge Waveform in Micro EDM Deposition Process
  Abstract

Based on the analysis of micro electrical discharge machining (micro EDM) principle, the process conditions of micro EDM deposition has been obtained. Micro EDM deposition is a new EDM method, in which the process conditions includes selecting air as working medium, short pulse duration, long pulse interval, low discharge current and setting the tool electrode as anode. In micro EDM deposition experiments, two types pulse generators of transistor type and RC type are applied respectively. The characteristics of discharge waveforms using each type pulse generator are researched. Results show that both two types pulse generators can be applied in the micro EDM deposition process. The transistor type is easy to obtain the same single discharge energy, but short circuit will damage the deposited material. While RC type can adjust discharge energy according to the discharge gap state, which is well used in micro EDM deposition process with the high deposition rate.

  Info
Periodical
Materials Science Forum (Volumes 697-698)
Chapter
I. Advanced Manufacturing Technology and Equipment
Edited by
Tian Huang, Dawei Zhang, Bin Lin, Anping Xu, Yanling Tian and Weiguo Gao
Pages
187-191
DOI
10.4028/www.scientific.net/MSF.697-698.187
Citation
Z. L. Peng, Y. N. Li, Z.L. Wang, "Study on the Characteristics of Discharge Waveform in Micro EDM Deposition Process", Materials Science Forum, Vols. 697-698, pp. 187-191, 2012
Online since
September 2011
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Price
$32.00
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