套管注塑模具设计_学位论文.doc

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 3.1塑件的结构工艺分析___________________________________________________9 3.1.1塑件的结构工艺分析_______________________________________________9 3.1.2塑件的成型过程___________________________________________________9 3.2材料的成型特性及工艺参数_____________________________________________9 4拟定模具结构形式______________________________________________________11 4.1分型面的选择________________________________________________________11 4.1.1分型面的选择原则________________________________________________11 4.1.2分型面的确定____________________________________________________11 4.2型腔数目的确定______________________________________________________11 5注塑机的选择与校核____________________________________________________13 5.1所需注射量的计算____________________________________________________13 5.2所需锁模力的计算____________________________________________________13 5.3选择注射机__________________________________________________________14 5.4注射机有关参数校核__________________________________________________14 5.4.1型腔数目的校核__________________________________________________14 5.4.2注射机工艺参数的校核____________________________________________15 5.4.3安装尺寸________________________________________________________15 5.4.4开模行程的校核__________________________________________________16 5.4.5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 6.1主流道的设计________________________________________________________17 6.1.1主流道设计要点__________________________________________________17 6.1.2主流道尺寸______________________________________________________17 6.1.3主流道衬套______________________________________________________17 6.2冷料穴的设计________________________________________________________19 6.3分流道的设计________________________________________________________20 6.3.1分流道的布