Journal of the Korean Society of Manufacturing Process Engineers (한국기계가공학회지)

The Korean Society of Manufacturing Process Engineers (한국기계가공학회)
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Adiabatic Analysis of 1180MPa Advanced High Strength Steel by Impact Weight

충격하중에 의한 1180MPa급 초고강도강의 단열해석

  • 김건우 (한국생산기술연구원 대경본부) ;
  • 이재욱 (한국생산기술연구원 대경본부) ;
  • 양민석 (한국생산기술연구원 대경본부) ;
  • 이승엽 (한국생산기술연구원 대경본부) ;
  • 김다혜 (한국생산기술연구원 대경본부) ;
  • 이재진 (경북하이브리드부품연구원) ;
  • 문지훈 (경북하이브리드부품연구원) ;
  • 박지원 ((주) 삼연기술)
  • Received : 2022.05.28
  • Accepted : 2022.06.24
  • Published : 2022.08.31
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Abstract

Adiabatic blanking is a method to improve productivity through an autocatalytic cycle that occurs repeatedly through plastic deformation and thermal softening caused by impact energy. In this study, an axisymmetric analysis model comprising a punch, die, holder, and specimen was developed to confirm the temperature and deformation characteristics caused by an impact load. Through this, the impact energy, diameter of the punch, gap between the punch and die, and the effect of the fillet were analyzed. Because this process occurs in a very short time, adiabatic analysis can be performed using the explicit time-integration method. The analysis, confirmed that it is necessary to design a structure capable of increasing the local temperature and plastic deformation by controlling the impact energy, working area, gap, and the fillet.

Keywords

Acknowledgement

이 논문은 산업통상자원부의 기계장비산업기술개발사업 '1.6GPa급 이상 초고강도강 부품 절단용 고속 충격트리밍 프레스개발(과제번호 20014530)'과제 및 한국생산기술연구원의 기관주요사업의 지원으로 수행되었음을 밝히며, 이에 감사드립니다.

References

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