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유한요소법에 의한 정사각컵 디프드로잉 성형에 미치는 성형인자에 관한 연구
이명섭(MYEONG-SUP RHEE),황종관(JONG-KWAN HWANG),강대민(DAE-MIN KANG) 한국해양공학회 2000 韓國海洋工學會誌 Vol.14 No.4
Numerical simulation of sheet metal forming for panels as well as other components has wide acceptance in the automotive industry. Therefore this paper was focused in the drawability factors (which are friction coefficient, radius of die and punch) on the square cup deep drawing by the explicit finite elements code PAM-STAMP™. The computed results are compared with the experimental results to show the validity of the analysis. In order to compare the simulation results with the experiment results and predict the effect of drawability factors, the relationships between punch load and punch stroke, and the relationships between thickness strain and distance are used. According to this study, the results of simulation by using PAM-STAMP™ will give engineers good information to access the drawability of square cup deep drawing.
PAM-STAMP에 의한 정사각형 디프드로잉의 성형성 및 마찰의 영향에 관한 연구
이명섭,황종관,강대민 釜慶大學校 1999 釜慶大學校 論文集 Vol.4 No.1
Numerical simulation of sheet metal forming for body panels as well as other components has wide acceptance in the automotive industry. Therefore this paper was focused in the formability and frictional effect on the square cup deep drawing by the explicit finite elements cod PAM-STAMP?. The computed results are compared with the experimental results to show the validity of the analysis. In order to compare the simulation results with the experiment results and predict the effect of μ?(which is the friction between die and blank) and μ?(which is the friction between punch and black), the relationships between punch load and punch stroke, and the relationships between thickness strain and distance, are used. According to this study, the simulation results show generally good agreement with the experimental results. So, the simulation results by using PAM-STAMP? will give engineers a good information to assess the formability and frictional effect of square cup deep drawing.