目 录 1 前言··············································3 copyright paper51.com 2 卷尺外壳的结构设计·································4 内容来自论文无忧网 www.paper51.com
2.1 设计任务与要求···································4 内容来自论文无忧网 www.paper51.com 2.2 结构设计········································4 paper51.com
3 塑件工艺分析······································10 内容来自www.paper51.com 3.1 分析塑件使用材料及成型特点·························10 copyright paper51.com
3.2 分析塑件的结构工艺性 ·····························10 内容来自论文无忧网 www.paper51.com 3.3 塑件精度的确定 ··································10 paper51.com 4 型腔数目的确定····································11 http://www.paper51.com 4.1估算塑件的体积、质量和选择注射机 ····················11 http://www.paper51.com 5 确定模具结构方案··································12 paper51.com 5.1 确定成型位置和分型面······························12 内容来自www.paper51.com 5.2 脱模机构的设计·································· 12 内容来自www.paper51.com
5.3 浇注系统的设计·································· 12 内容来自论文无忧网 www.paper51.com 5.4 冷却系统的设计·································· 13 paper51.com 5.5 选取模架······································· 13 http://www.paper51.com 5.6 型芯、型腔·····································13 http://www.paper51.com 5.7 注射及开模过程·································· 13 内容来自论文无忧网 www.paper51.com 5.8 取出制件·······································14 内容来自论文无忧网 www.paper51.com 6 校核注射机有关工艺参数···························· 15 内容来自论文无忧网 www.paper51.com 6.1锁模力的校核···································· 15 内容来自论文无忧网 www.paper51.com
6.2模具厚度H与注射机闭合高度························· 15 内容来自论文无忧网 www.paper51.com 7 设计小结········································· 15 内容来自www.paper51.com
致谢辞·············································· 16 内容来自www.paper51.com 参考文献············································ 16 http://www.paper51.com |