冷挤压组合凹模的机械可靠性设计理论的研究

Research on theories of mechanical reliability design of cold extrusion combination die

在分析了冷挤压组合凹模传统设计存在问题的基础上，根据组合凹模的受力情况，应用机械可靠性理论，首次提出援组合凹模过盈量进行可靠性设计的思想，首次建立了组合凹模机械可靠性设计的整套理论。

On the basis of analysing problem of co1d extrusion combination die in traditional de-sign, in accordance with force acting on the die and mechanical reliability theory, the concept that relia-bility design of the die is carried out in the light of interference amount between two layer mated eachother is first put forward. A complete theory of mechanical reliabillty disign of the die is first estab-lished.