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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2011.1
- 수록면
- 105 - 112 (8page)
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Increasing needs for light weight and high safety in modern automobiles induced the wide application of high strength steels in automotive body structures. The main difficulty in the forming of sheet metal parts with high strength steel is the large amount of springback including sidewall curl and twist in channel shaped member parts. Among these shape defects, twist occurs frequently and requires numerous reworks on the dies to compensate the shape deviation. But until now, it seems to be no effective method to reduce the twist in the forming processes. In this study, a new forming process to reduce the twist deformation during the forming of automotive structural member was suggested. This method consists of forming and restriking of embosses on the sidewall around the stretch flanging area of the part. and was applied in the forming process design of an automotive front side inner member with high strength steel. To evaluate the effectiveness of the method, springback analysis using Pamstampa™ was done. Through the analysis results, the suggested method was proven to be effective in twist reduction of channel shaped parts with stretch flanging area.
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참고문헌 (9)
참고문헌 신청
/ / PAM-STAMPTM Solver Reference Manual
I. C. Park / 2006 / Optimization of Planning by Using the Spring Back Simulation of Auto Panels / Transactions of Materials Processing 15 (2) : 165 ~ 171
S. A. Asgari / 2008 / Statistical analysis of finite element modeling in sheet metal forming and springback analysis / J. Mater. Process. Technol 203 : 129 ~ 136
WorldAutoSteel / 2009 / Advanced High Strength Steel Application Guidelines Ver. 4.1
Y. J. Song / 2001 / Analytical Study on the Effect of Forming Process on Springback of an Automobile Rear Frame / Proceedings of 2001 Spring Conference of KSTP : 63 ~ 67
I. C. Park / 2006 / Optimization of Planning by Using the Spring Back Simulation of Auto Panels / Transactions of Materials Processing 15 (2) : 165 ~ 171
S. A. Asgari / 2008 / Statistical analysis of finite element modeling in sheet metal forming and springback analysis / J. Mater. Process. Technol 203 : 129 ~ 136
WorldAutoSteel / 2009 / Advanced High Strength Steel Application Guidelines Ver. 4.1
Y. J. Song / 2001 / Analytical Study on the Effect of Forming Process on Springback of an Automobile Rear Frame / Proceedings of 2001 Spring Conference of KSTP : 63 ~ 67
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