热锻模物理性能参数及其变化对温度应力的影响探讨

Research on the Effect on Temperature Stress of Physical Parameters of Hot Forging Die and Their Change

热锻模受到机械负荷和热负荷的联合作用,在模具内形成较大的综合应力,其中温度应力对锻模的损伤失效起主导作用。本文探讨了热锻模的四个物理性能参数,以及它们的变化规律对温度应力的影响。最后,提出了减小热锻模温度应力的思路。

The four physical parameters of hot forging die and effects of their change on temperature stress have been discussed with the methods to decrease the temperature stress in hot forging die put forward.