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Abstract：
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This paper had analyzed the deformation of conical part that is the typical parts in curved parts during the forming.The three main strains of each point on sheet are measured by grid method,and the blank is divided into five parts that are the flange , the round corner of die , the side wall of conical part , the round corner of punch and the bottom.The main deformation region that is side wall of conical part is analyzed.The deformation rule of conical part is concluded.The action and relation of each part are discussed during forming,and the dangerous points of the wrinkle or rupture are discovered.At the end,the deformation instance of differ phase during the drawing are analyzed,the foundation is established for further analysis of the curved parts.
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Reference：
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1 李硕本 曲面零件拉深时压边力的确定 见 :冲压基本理论研究论文集 ,哈尔滨工业大学 1 986
2 李硕本 曲面零件成形机理与成形极限的分析 见 :中国锻压学会冲压学术委员会论文集 ,1 994
3 李春峰 曲面零件冲压成形的研究 哈尔滨工业大学博士论文 ,1 993
4 万敏 圆锥形零件冲压成形极限的研究 哈尔滨工业大学博士论文 ,1 995
5 姜海峰 圆锥形零件冲压成形机理及压边力合理变化规律的研究 燕山大学博士论文 ,1 998
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