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