文档介绍：水杯盖材料南京工程学院专接本毕业设计说明书(论文) 学院: 专业:数控加工与模具设计题目:水杯盖塑料件注射模设计指导者: 评阅者: XX年4月南京目录前言..............................................................6 ............................................7 结构分析...................................................7 塑件材料特性..............................................7 塑件材料成型性能.........................................8 ............................................10 成型零件的结构设计......................................10 成型零件工作尺寸确定....................................10 成型零件钢材的选用........................................12 .............................................13 分型面的确定.............................................13 型腔数目的确定及布置......................................14 .........................................15 主流道的设计.............................................15 主流道尺寸.........................................15 主流道衬套形式.....................................15 定位圈..............................................16 分流道的设计..............................................17 浇口设计.................................................18 .冷料穴与拉料杆的设计...................................20 ........................................21 模架的选择................................................21 各模板尺寸厚度的确定....................................22 标准件的选用..............................................22 ..........................................24 .制品的计算.............................................24 锁模力的计算..............................................24 注射机的选用.............................................24 注射机的效核..............................................25 .....................................26 .侧抽芯机构设计...........................................26 .对推杆推出机构设计的要求.................................28 推杆、斜顶的布局........................................29 ........................................30 冷却系统的设计...........................................30 排气系统的设计........................................