文档介绍：第 1页西华大学毕业设计说明书目录摘要_____________________________________________________________________3 1前言___________________________________________________________________4 2 模具种类及结构_________________________________________________________7 3 塑件及材料分析_________________________________________________________9 塑件的结构工艺分析___________________________________________________9 塑件的结构工艺分析_______________________________________________9 塑件的成型过程___________________________________________________9 材料的成型特性及工艺参数_____________________________________________9 4 拟定模具结构形式______________________________________________________11 分型面的选择________________________________________________________11 分型面的选择原则________________________________________________11 分型面的确定____________________________________________________11 型腔数目的确定______________________________________________________11 5 注塑机的选择与校核____________________________________________________13 所需注射量的计算____________________________________________________13 所需锁模力的计算____________________________________________________13 选择注射机__________________________________________________________14 注射机有关参数校核__________________________________________________14 型腔数目的校核__________________________________________________14 注射机工艺参数的校核____________________________________________15 安装尺寸________________________________________________________15 开模行程的校核__________________________________________________16 模架尺寸与注射机拉杆内间距校核__________________________________16 6 浇注系统的设计________________________________________________________17 主流道的设计________________________________________________________17 主流道设计要点__________________________________________________17 主流道尺寸______________________________________________________17 主流道衬套______________________________________________________17 冷料穴的设计________________________________________________________19 分流道的设计_______________________________