Transactions of Materials Processing (소성∙가공)

The Korean Society for Technology of Plasticity and materials processing (한국소성∙가공학회)
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Design of the Cross Sectional Shape of Intermediate Die for Shaped Drawing of Spline

스플라인 이형인발을 위한 중간 다이 단면형상 설계

  • 이재은 (부산대학교 대학원 정밀기계공학과) ;
  • 이태규 (부산대학교 대학원 정밀기계공학과) ;
  • 이상곤 (PNU-IFAM 국제공동연구소) ;
  • 김병민 (부산대학교 기계공학부)
  • Published : 2008.12.01
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Abstract

The cross sectional shape of intermediate die is one of important parameters to improve dimensional accuracy of final product in shaped drawing process. Until now, it has been designed by the experience or trial and error of the expert. In this study, the cross sectional shape of intermediate die for spline shape is determined by the electric fields analysis and scale factor method. The result of the electric fields analysis and scale factor method have been compared with that of the expert method. The effects of cross sectional shape on the dimensional accuracy were investigated by using FE-simulation. And then the multi-stage shaped drawing experiments were performed to verify the results of FE-simulation. As a result, the cross sectional shape from the electric fields analysis and scale factor method had the good dimensional accuracy. These two methods can be used for the method to obtain the cross sectional shape of intermediate die in shaped drawing process.

Keywords

References

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