Based on the idea of function design, an architecture of the assembly design system for injection mould in concurrent and collaborative environment was presented using top down pattern.
根据功能设计的思想，采用自顶向下模式，给出一个并行协同环境下注塑模具装配设计系统的框架，对功能至产品演化过程中的数据模型进行了分析。
It introduces the mould structure and working principle of the injection mould with inside pattern drawing from three directions for core. Point out the design gists of the mould.
介绍三面内抽芯盒盖注射模的模具结构及工作原理，并指出了该模具的设计要点。
This paper presents a kind of method for producing ductile iron castings with the technique of evaporative pattern casting and in mould spheroidizing, and introduces its main measures.
提出了用气化模铸造型内球化处理生产球铁铸件的方法及其工艺要点。
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