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Prediction of the sound pressure level of blanking noise during sheet-metal blanking using servo press with counterforce
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  • Prediction of the sound pressure level of blanking noise during sheet-metal blanking using servo press with counterforce
  • Prediction of the sound pressure level of blanking noise during sheet-metal blanking using servo press with counterforce
저자명
Xia. Qinxiang,Xu. Teng,Hong. Guohua,Ruan. Weiping
간행물명
Journal of mechanical science and technology
권/호정보
2014년|28권 5호|pp.1673-1681 (9 pages)
발행정보
대한기계학회
파일정보
정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

In this research, a prediction model of the sound pressure level during blanking using servo press with counterforce was established based on the acoustic theory as well as the vibration equation of punch in the course of breakthrough process. The theoretical values of the sound pressure level of blanking noise were calculated based on the developed prediction model. The variation of the sound pressure level of blanking noise with different parameters was also investigated and compared with the experimental results. It reveals that the blanking noise increases with the shear strength and the thickness of sheet metal, and further the blanking speed. The relative error between the experimental results and the theoretical ones determined based on the prediction model is less than 1.7%, and the application example of the prediction model in batch production is given. The prediction model is thus proved to be promising and efficient for noise prediction during blanking using servo press with counterforce.