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贮油杯盖注塑成型工艺及模具设计
技术要求:1、塑件表面光洁； 2、大批量生产；3、未注圆角R1·R2。
05 PS 70 64 68 10.5 6
图1 贮油桶盖二维图
图 2 塑件实体图
技术要求
1、材料PS，塑件外表要求光滑；2、脱模斜度30′·1°；3、中批量生产；4、未注圆角R1·R3。
目录
第1章 塑料成型工艺性分析······························· 6
1.1 塑件分析·····················································6
1.2 性能分析·····················································6
1.3 注射工艺参数················································6
第 2 章 分型面位置的分析和确定································7
2.1分型面的选择原则·············································7
2.2分型面选择方案···············································7
第 3 章 塑件型腔数量及排列方式的确定·························9
3.1 型腔数量的确定··············································9
3.2 型腔排列方式的确定··········································9
第 4 章 注射机的选择和有关工艺参数的校核····················10
4.1 注射量的计算················································10
4.2塑件和流道凝料在分型面上的投影面积及所需锁模力算·············10
4.3 注射机型号的选定···········································11
4.4有关工艺参数的校核···········································11
第5章 浇注系统的形式选择和截面尺寸的计算···················12
5.1主流道的设计·················································12
5.2冷料穴的设计·················································13
5.3分流道的设计·················································13
5.4浇口设计·····················································14
5.5浇注系统的有关参数的校核·····································15
第6章 成型零件的设计及力学计算·······························16
6.1成型零件的结构设计···········································16
6.2成型零件钢材的选用···········································17
6.3成型零件工作尺寸计算········································17
第7章 模架的确定和标准件的选用··························18
第8章 导向机构的设计····································20
8.1导向机构的总体设计·········································20
8.2导柱设计····················································20
8.3 导套设计···················································21
8.4推板导柱与导套设计··········································21
第9章 排气槽的设计·····································21
第10章脱模推出机构的设计································21
第11章
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