Journal of the Korean Society for Precision Engineering (한국정밀공학회지)

Korean Society for Precision Engineering (한국정밀공학회)
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Fabrication of PCD Micro Tool and its Hybrid Micro Machining

다결정 다이아몬드를 이용한 미세 공구 제작과 이를 이용한 미세 복합 가공

  • Doan, Cao Xuan (School of Mechanical and Aerospace Engineering, Seoul National Univ.) ;
  • Kim, Bo-Hyun (Department of Mechanical Engineering, Soongsil Univ.) ;
  • Chung, Do-Kwan (School of Mechanical and Aerospace Engineering, Seoul National Univ.) ;
  • Chu, Chong-Nam (School of Mechanical and Aerospace Engineering, Seoul National Univ.)
  • Received : 2011.03.16
  • Accepted : 2011.04.26
  • Published : 2011.06.01
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Abstract

Since polycrystalline diamond (PCD) has high hardness like diamond, it has been used as tool material for lathe and milling of non-ferrite material. A micro tool fabricated from PCD material can be used for micro machining of hard material such as tungsten carbide, glass, and ceramics. In this paper, micro PCD tools were fabricated by micro EDM (electrical discharge machining) and used for micro grinding of glass. Craters generated on the tool surface by EDM spark work as like grits in grinding process. The effects of tool shapes, tool roughness and PCD grain size were investigated. Also studied was a hybrid process combining electrochemical discharge machining (ECDM) and micro grinding for micro-structuring of glass.

Keywords

References

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