한국생산제조학회지 (Journal of the Korean Society of Manufacturing Technology Engineers)

  • 제23권2호
  • /
  • Pages.173-177
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  • 2014
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  • 2508-5093(pISSN)
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  • 2508-5107(eISSN)
한국생산제조학회 (The Korean Society of Manufacturing Technology Engineers)
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초음파 혼의 Tip 면적과 Cu 박판의 용착성

Area of Horn's Tip and Weldability of Cu Sheets

  • Jang, Ho Su (Dept. of Mechanical Engineering, Graduate School of Incheon National Univ.) ;
  • Kang, Eun Ji (Dept. of Mechanical Engineering, Graduate School of Incheon National Univ.) ;
  • Park, Dong Sam (Div. of Mechanical System Engineering, Incheon National Univ.)
  • 투고 : 2014.03.19
  • 심사 : 2014.04.01
  • 발행 : 2014.04.15
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초록

In this study, a 20,000Hz ultrasonic horn was designed and fabricated using a finite element analysis. The horn's resonate frequency was 19,991Hz, and the harmonic response frequency was 20,000Hz. In order to observe the developed horn's performance, 4,000 pieces of displacement data were obtained using an optical sensor and were analyzed using a fast Fourier transform. Finally, the developed horn's resonate frequency was found to be 19,992Hz. The effect of the tip area of the developed horn on the weldability of a Cu sheet was experimentally investigated. It was found that the welding strengths of specimens welded using a small tip area were generally higherthan those of specimens welded using a large tip area.

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참고문헌

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