Enhancement of mass transport in micro wire electrochemical machining

In micro wire electrochemical machining, the machining gap between the cathode wire and anode workpiece is so tiny that it is difficult to remove electrolysis products and renew electrolyte, leading to frequent electric short circuits and quite low processing speed. Three approaches of enhancing mas...

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Bibliographic Details
Published in:CIRP annals 2012, Vol.61 (1), p.195-198
Main Authors: Zeng, Yong-Bin, Yu, Qia, Wang, Shao-Hua, Zhu, Di
Format: Article
Language:English
Subjects:
Applied sciences
Cathodes
Electric wire
Electro chemical machining
Electrochemical machining
Electrolytes
Exact sciences and technology
Machining
Mechanical engineering. Machine design
Micromachining
Precision engineering, watch making
Productivity
Short circuits
Transport
Wire
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Summary:In micro wire electrochemical machining, the machining gap between the cathode wire and anode workpiece is so tiny that it is difficult to remove electrolysis products and renew electrolyte, leading to frequent electric short circuits and quite low processing speed. Three approaches of enhancing mass transport, electrolyte flushing along the wire, wire traveling in one direction and micro-vibration of cathode wire have been studied theoretically and experimentally in this paper. The results demonstrate that the proposed methods significantly enhance the mass transport and thus improve the machining stability, the productivity and the surface quality for micro wire electrochemical machining.
ISSN:0007-8506
DOI:10.1016/j.cirp.2012.03.082