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摘要：
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分析了成形工艺参数对杯形件单道次拉深旋压力的影响 ,试验中所采取的成形工艺参数为 :芯模转速n ,材料性质、旋轮进给比f、名义拉深系数m以及旋轮与芯模之间的相对间隙C等。研究结果表明 ,除芯模转速外 ,其它成形工艺参数都不同程度地对旋压变形力产生影响 ,而且工件在成形过程中是否产生缩颈 ,将会影响到旋压力的变化特征
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The effects of the forming parameters on the spinning force of the one\|path deep drawing spinning of cups are analyzed in this paper. The forming parameters used for the experiment were: the rotating speed of the mandrel n , characteristics of the material, the feed rate of the roller f , the nominal drawing ratio m , and the relative clearance between the roller and the mandrel C , etc. The results show that the spinning force is affected in varying degrees by all of the forming parameters except n , and the variation characters of the spinning force are also affected by the necking phenomena accruing on the workpiece during deformation.
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