支承座模具设计塑料模具课程设计学士学位论文.docVIP

塑料模具课程设计说明书 设计题目： 支承座模具设计 目 录 塑件成型工艺性分析···········································································1 1.1 塑件成型工艺分析·················································································1 1.2 ABS通用塑料的性能分析···································································1 1.3 ABS的注射成型过程及工艺参数·····················································2 第二章 拟定模具的结构形式和初选注射机 ·············································3 2.1 分型面位置的确定·················································································3 2.2 型腔数量和排位方式的确定······························································4 2.3 注射机型号的确定 ················································································4 2.4 注射机相关参数的校核 ·····································································6 第三章 浇注系统的设计 ··················································································7 3.1 主浇道的设计··························································································7 3.2 分流道的设计··························································································8 3.3 浇口的设计·····························································································10 3.4 校核主流道的剪切速率·····································································11 3.5 冷料穴的设计及计算·········································································11 第四章 成型零件的结构设计及计算···························································11 4.1 成型零件的结构设计············································································11 4.2 成型零件钢材的选用···········································································12 4.3 成型零件工作尺寸的计算··································································12 4.4 成型零件尺寸及动模垫板厚度的计算的计算····························14 第五章 脱模推出机构的设计·········································································14 5.1 脱模力的计算·····