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Design of Ultrasonic Vibration Tool Horn for Micromachining Using FEM  

Lee, Bong-Gu (연세대학교 기계공학과)
Kim, Kwang-Lae (인덕대학 기계자동차과)
Kim, Kang-Eun (한국생산기술연구원)
Publication Information
Transactions of the Korean Society of Machine Tool Engineers / v.17, no.6, 2008 , pp. 63-70 More about this Journal
Abstract
Conical horn is used in many high frequency ultrasonic horns, to achieve a longitudinal vibration mode across a wide ultrasonic tool horn output surface. Modal analysis is method for designing tuned ultrasonic tool horn and for the prediction natural frequency of ultrasonic tool horn vibration mode. The design of ultrasonic horn is based on prototype estimate obtained by FEM analysis. The FEM simulated ultrasonic tool horn is built and characterized experimentally through laser vibrometer and electrical impedance analysis. In this paper, FEM analysis is developed to predict the natural frequency of ultrasonic tool horn and use of in the optimal design of ultrasonic horn shape.
Keywords
ultrasonic machining; Resonant Frequency; Tool horn; Amplitude; FEM; Modal analysis;
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