Paper Title:
Study on Technology of Block Electro-Discharge Grinding with Lower Working Voltage for Fabricating Micro Electrode
  Abstract

Micro electrical discharge machining (EDM) with block electro discharge grinding (BEDG), is explored and assessed as a method for developing micro electrode, for wire electro discharge grinding (WEDG) has shortcoming of low working efficiency, especially in the case of micro machining. For fabricating micro electrode by BEDG, mechanics of initial clamping errors are analyzed, the technology of electrode movement is proposed to compensate the clamping errors and control the finish size of micro electrodes. On the basis of a great deal of experiments, the effect of working voltage on machining efficiency has been found out and been analyzed theoretically, threshold value of working voltage is determined to be about 30V.As shown by result with the technology, at a high machining speed, the minimum diameter of micro electrodes reaches 3*m, its slenderness ratio is more than 5.

  Info
Periodical
Key Engineering Materials (Volumes 375-376)
Edited by
Yingxue Yao, Xipeng Xu and Dunwen Zuo
Pages
303-307
DOI
10.4028/www.scientific.net/KEM.375-376.303
Citation
Z. L. Wang, W. L. Zeng, Q. Gao, "Study on Technology of Block Electro-Discharge Grinding with Lower Working Voltage for Fabricating Micro Electrode ", Key Engineering Materials, Vols. 375-376, pp. 303-307, 2008
Online since
March 2008
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Price
$32.00
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