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윤형준(H. J. Yoon),윤영식(Y. S. Yoon) 한국정밀공학회 2006 한국정밀공학회 학술발표대회 논문집 Vol.2006 No.5월
Ultrasonic machining technology has been developed over recent years for manufacturing the quality-assured precision parts for several industrial application such as optics, semiconductors, aerospace and automobile application. Ultrasonic needle horning is widely used in cutting(drilling) of non-conductive, brittle workpiece materials. This paper intends to understanding of the basic mechanism of ultrasonic needle horning. And frequency analysis program is used to easily predict the natural frequency of ultrasonic vibration cutting tools.