压塑工艺及模具设计——上篇 塑料压制成型 第四讲 压制模结构设计(一)

Pressing technology and mold design--Part Ⅰ Plastic press molding Lecture 4 Structure design of pressing mold (1)

压塑与注塑采用不同类型的塑料,前者采用热固性塑料,后者采用热塑性塑料。压塑成型工艺及模具设计是一门不断发展的综合科学,不仅随着高分子材料合成技术的提高,压塑成型设备的更新,成型工艺的成熟而改进,而且随着计算机技术,快速造型技术,数值模拟技术,数字化应用技术,智能技术等在压塑成型加工领域渗透而发展。本讲座内容主要包括:压制成型工艺及分类,压制件设计,压制模结构设计及其零件设计,压制成型设备,压制塑件质量控制及缺陷分析,压制成型模应用举例;压注成型原理及工艺过程,压注成型模具结构设计,压注成型压力的计算,压注成型设备的选择,压注塑件质量及缺陷分析,压注成型模应用举例。

Compression and injection molding use different types of plastics,the former using thermosetting plastics,the latter using thermoplastic plastics.Compression molding technology and mold design is a developing comprehensive science.It not only improves with the improvement of polymer synthesis technology,the renewal of molding equipment and the maturity of molding technology,but also with the development of computer technology,rapid molding technology,numerical simulation technology,digital application technology,intelligent technology,etc.The main contents of this lecture include:compressing molding technology and classification,compressing molding parts design,compressing mold structure design and parts design,compressing molding equipment,quality control and defect analysis of compressing molded parts,application examples of compressing molds,principle and process of injection-compression molding,structure design of injection-compression mold,calculation of injection-compression molding pressure,selection of injection-compression molding equipment,quality and defect analysis of injectioncompression molded parts,application examples of injection-compression molds.