Fabricating microgrooves with varied cross-sections by electrodischarge machining

Jiwang Yan, Takuya Kaneko, Kazunori Uchida, Nobuhito Yoshihara, Tsunemoto Kuriyagawa

研究成果: Article査読

37 被引用数 (Scopus)


A two-step electrodischarge machining method was proposed for fabricating microgrooves with varied cross-sections on hard materials. Firstly, tungsten tool electrodes were shaped by wire electrodischarge grinding, and then the resulting tool electrodes were used to electrodischarge machine microgrooves on stainless steel. Preliminary experimental results showed that, in the first step, a sharp tool electrode with surface roughness of 0.3 μmRa could be achieved, and the surface roughness of the resulting groove was 0.16 μmRa in the second step. Voltage strongly affects the machining speed. A high voltage (>70 V) was preferable for improving the material removal rate. However, significant tool wear took place when using a high condenser capacitance at high voltages. To suppress tool wear, a high voltage and a small capacitance should be used. As test pieces, microgrooves having rectangular, triangular, circular and semi-closed cross-sections were fabricated.

ジャーナルInternational Journal of Advanced Manufacturing Technology
出版ステータスPublished - 2010 10 1

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Software
  • Mechanical Engineering
  • Computer Science Applications
  • Industrial and Manufacturing Engineering

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