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文章阐述了大型、精密注射模具的三维非稳态冷却分析理论基础,通过Moldflow分析软件验证冷却水道直径与流量之间的关系,同时对有限元分析结果与理论计算进行比较,分析了误差产生原因,主要是过程中的模型误差和计算误差,并提出了减小误差的措施。
In this paper, the theoretical foundation of the three-dimensional unsteady cooling analysis of large-scale, precision injection mold is expounded. The relationship between the diameter of the cooling water channel and the flow rate is verified by Moldflow analysis software. At the same time, the finite element analysis results are compared with the theoretical calculation, , Mainly the model error and calculation error in the process, and put forward measures to reduce the error.