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논문 기본 정보

자료유형
학술대회자료
저자정보
Xiaoqiang Li (Beihang University) Dongsheng Li (Beihang University) Weijun Yang (Beihang University)
저널정보
한국소성·가공학회 기타자료 The 8th International Conference and Workshop on numerical simulation of 3D seet metal forming processes (NUMISHEET 2011)
발행연도
2011.8
수록면
1,121 - 1,128 (8page)

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The fluid-cell forming process (FFP), one of the main forming technologies in aeronautical manufactories, suffers seriously from the product quality problem due to springback. A springback compensation method is proposed particularly for complex-shaped flange parts. This method is derived from the classic displacement adjustment method, but differs in the way to predict the springback amount and calculate the adjusting vectors. Based on discussion on the relationship between the springback angles and the geometrical parameters of flange parts, a springback distribution function (SDF) is proposed to predict springback angles of curved flanges. The springback angles are mapped to nodal adjusting vectors of the die mesh and then the optimized die is obtained. The above procedures are applied to two fuselage flange parts and the experimental result shows that this method is valid.

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Abstract
INTRODUCTION
PART GEOMETRY
EXPERIMENT INVESTIGATION
SPRINGBACK PREDICTION
SPRINGBACK COMPENSATION METHOD
APPLICATION VERIFICATION
CONCLUSIONS
REFERENCES

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