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초음파 금속 용착용 혼의 진동해석 및 형상설계에 관한 연구
김은미(E.M.Kim),장호수(H.S.Jang),김선아(S.A.Kim),서정석(J.S.Seo),박동삼(D.S.Park) (사)한국CDE학회 2010 한국 CAD/CAM 학회 학술발표회 논문집 Vol.2010 No.1
Ultrasonic energy that is the high-frequency vibration above 20kHz is used in various processing fields such as plastic welding, metal welding, grilling and etc. A ultrasonic metal welding machine consist of a power supply that converts 50~60Hz electric power into 20kHz~40kHz electrical energy, a booster which decreases or amplifies the amplitude from the transducer, a horn which welds workpieces by transmitting vibration energy. The transducer, booster, horn have to be designed and manufactured accurately, because measurements such as the shape, length, mass and etc. have effects on the resonant frequency and the vibration mode. In this study, we calculated and analyzed the natural frequency to find the optimal design of the horn by the modal analysis and harmonic analysis using Ansys.