Proceedings of the Korean Society for Technology of Plasticity Conference (한국소성가공학회:학술대회논문집)

The Korean Society for Technology of Plasticity and materials processing (한국소성∙가공학회)
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1-Piece Typed Lower Control Arm Using High Strength Hot Rolled Steel Sheet

고강도 열연 강판 적용 단판형 로어암

  • 김대용 (현대자동차 금속재료연구팀) ;
  • 오승택 (현대자동차 금속재료연구팀) ;
  • 윤치상 (현대자동차 금속재료연구팀) ;
  • 한도석 (현대자동차 금속재료연구팀)
  • Published : 2007.10.11
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Abstract

As one way of weight saving of the vehicle, 1-piece typed lower control arm has been developed using high strength hot rolled steel sheet. In order to overcome the edge splitting problem during edge flanging or burring process, HER (hole expansion ratio) value of steel sheet was primarily considered. The strength grade of steel sheet and the shape were optimized utilizing Taguchi method.

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