over analysis of the process of topside valve structure, a pair of mold with strict, simple and feasible structure to be used and moulding easily is designed, and the mold's characters are introduced.
通过对阀罩结构进行工艺分析,设计了一副结构紧凑、简单合理、便于使用成型的注射模,介绍了该模具的特点。