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The experimental investigation of electrostatic field-induced electrolyte jet (E-Jet) micro-electrical machining mechanism

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Abstract

In this paper, issues concerning micro-discharge energy generation and micro-tool electrode manufacture in traditional micro-electrical discharge machining (EDM) are discussed, and a new electrostatic field-induced electrolyte jet (E-Jet) micro-electrical machining method is proposed. A major issue is that the discharge process is an extremely volatile way to remove material from a substrate, and because it happens on such a small scale it is difficult to distinguish the principal machining mechanism of this new discharge process. This paper investigates the machining mechanism by examining the topology and composition constitution of the machined surface obtained using NaCl solution and deionized water as the E-jet solution in positive-polarity and negative-polarity machining after both single and prolonged discharges. Different material removal mechanisms under different polarities and discharge times have been disclosed, and conclusions concerning the E-Jet EDM control conditions have been drawn.

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Authors and Affiliations

  1. State Key Laboratory of Mechanical System and Vibration, Shanghai Jiao Tong University, Shanghai, 200240, China

    Yaou Zhang, Xiaoming Kang, Ning Han & Wansheng Zhao

  2. Department of Mechanical Engineering and Applied Mechanics, University of Michigan, Ann Arbor, MI, 48109, USA

    Kevin Wilt

Authors
  1. Yaou Zhang
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  2. Kevin Wilt
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  3. Xiaoming Kang
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  4. Ning Han
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  5. Wansheng Zhao
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Correspondence to Yaou Zhang.

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Zhang, Y., Wilt, K., Kang, X. et al. The experimental investigation of electrostatic field-induced electrolyte jet (E-Jet) micro-electrical machining mechanism. Int J Adv Manuf Technol 87, 3059–3068 (2016). https://doi.org/10.1007/s00170-016-8718-x

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  • DOI: https://doi.org/10.1007/s00170-016-8718-x

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