The structure and the working process of the die for closed forming on the common press were introduced. And the hydraulic system and the determination of the hydraulic parameters were stated.
介绍了在普通压力机上进行闭合成型的模具结构及其工作过程，并介绍了液压系统以及液压参数的确定。
Web thickness is one of the important parameters in Closed-die forging process, which has an effect on forming force of die forging and material consumption.
连皮厚度是开式模锻工艺参数中的一个重要参量，它对模锻变形力和材料的消耗有很大的影响。
Forged part and forming procedure and stroke-load curve obtained from rigid plastic FE simulation further discloses the deformation mechanics of closed die extrusion for spiral bevel driving gear.
刚塑性有限元计算所得的齿轮锻件图、成形过程图、轴向断面网格图和力能曲线进一步揭示了螺旋伞齿轮塑性成形机理；
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