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성형해석을 이용한 테일러드 블랭크 사이드 아우터 패널의 블랭크 및 금형 설계
인정제(J.J.Yin),안덕찬(D.C.Ahn),최익현(I.H.Choi),이경돈(K.D.Lee),유순영(S.Y.You),이영국(Y.K.Lee) 한국자동차공학회 1997 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1997 No.11_2
The successful forming of tailor welded side panel requires appropriate blank design, weld line position and draw die design, etc.. In this study, the blank design of tailor welded side panels with different thicknesses was suggested through forming simulation results on the stretch flange model. Then the full model simulation was performed with the proposed designs of tailor welded side outer blank. From the full model simulation results, failure, wrinkles, and weld line movements were checked. According to the moving pattern of weldlines, the proper step position in the draw die was determined. The suggested blank and draw die design were applied to the real panel forming.