Transactions of Materials Processing (소성∙가공)

The Korean Society for Technology of Plasticity and materials processing (한국소성∙가공학회)
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Effect of Cold Forming Method on Drawability Trunk Floor Panel

냉각성형공법이 트렁크 플로어 드로잉성에 미치는 영향

  • 최치수 (기아자동차 생기개발팀) ;
  • 최이천 (기아자동차 생기개발팀) ;
  • 오영근 (기아자동차 생기개발팀) ;
  • 이정우 (삼척대학교 정밀기계공학과) ;
  • 이항수 (한라대학교 기계공학과)
  • Published : 2001.04.01
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Abstract

This study is to investigate the effects of cold forming method with steel sheet of SCP3C to improve continuous productivity. Experiments were carried out in various working conditions, such as the number of stamping and the punch temperature. The effects of the punch temperature and the number of stamping on drawability of steel sheet of SCP3C as well as clearance and draw-in in the number of stamping were examined and discussed. More improvement of continuous productivity in case of cold stamping rather than by conventional stamping at room temperature is obtained. The optimum forming condition for drawing trunk floor panel of SCP3C is shown as the punch is cooled by coolant of $-5^{\circ}C$ and at the same time both the die and the blankholder are heated by stamping and frictional heat.

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References

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