The calculation model about the runner system of the downsprue of metal - powder injection molding ( mim ) and the finite element analysis of injection parts molding have been established . the analogue analysis of the molding process of metal - powder injection molding has been made and draw some correlative conclusion 基于连续介质理论和有限元理论，建立了金属粉末注射成形浇注系统的流道和注射件成形有限元分析计算模型，并对金属粉末注射成形过程进行了模拟分析，得出了相关的结论。
