학술지명: Journal of Materials Processing Technology
발행국가: 스위스
발표일자: 2013년 9월
SCI여부 : SCIE
본문Link: http://www.sciencedirect.com/science/article/pii/S0924013613000952
제목: Electrical discharge machining using strip electrode
저자: 송기영(서울대학교) 정도관(동양미래대학교) 박민수(서울과학기술대학교) 주종남(서울대학교)
내용: 스트립 방전가공을 터닝에 적용하고 기존 방법인 와이어 방전터닝과 비교함
초록Abstract:
Turning by electrical discharge machining (EDM turning) is an effective method to machine hard-to-cut materials. Generally, a wire-EDM is utilized in EDM turning because it is not concerned with electrode wear. However, wire-EDM turning has a slow machining speed due to its small machining area, and the wire may break due to overheating electrodes. For these reasons, its machining speed must be limited. In this study, a strip-EDM was created in an effort to overcome the problems in the EDM-turning process. This machining method used a conductive strip as an electrode. The strip was fed continuously, like a wire-EDM; therefore electrode wear was not a concern. One advantage of the strip-EDM was that it increased the material removal rate because of its large machining area and non-breaking electrode. In the experiments, machining characteristics were investigated according to machining conditions, and practical machining was carried out via fabrication of complex shapes on a shaft workpiece.
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