研究了盘型件双面辗压成形过程，分析了辗压头与坯料各接触区域受力状态。
Process of rolling forming from both side of disk type parts has been studied with analysis of forces applied to rolling head and each contacting zone on billet.
通过圆函数变形模型，推导出两种典型零件成形中压头压入行程与板料最大变形量的函数关系。
The relationship between heads relative displacement and sheets maximum deformation is deduced by circular function forming model.
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