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논문 기본 정보

저자정보
(서울과학기술대학교) (서울대학교) (동양미래대학) (서울대학교)
저널정보
한국생산제조학회 한국생산제조학회지 한국생산제조시스템학회지 Vol.20 No.2
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피인용 2

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    초록·키워드

    This paper describes a micro electrical discharge machining (MEDM) technique that uses an insulated tool in combination with ultrasonic vibration to drill micro holes. As the machining depth becomes deeper, the dispersion of debris and circulation of the dielectric fluid are difficult to occur. Consequently, machining becomes unstable in the machining region and unnecessary electrochemical dissolution and secondary discharge sparking occur at the tool side face. To reduce the amount of unnecessary side machining, an insulated tool was used. Ultrasonic vibration was applied to the MEDM work fluid to better remove debris. Through these methods, a 1000 ㎛ thick stainless steel plate was machined by using a 73 ㎛ diameter electrode. The diameters of the hole entrance and exit were 96 ㎛ and 88 ㎛, respectively. It took only 351 s to completely drill one hole.

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      UCI(KEPA) : I410-ECN-0101-2012-552-004470202