【设计】外罩产品造型与模具设计

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1. 塑件的工艺分析··················································································2

1.1塑件的原材料分析···········································································2

1.2塑件的结构和尺寸精度及表面质量分析···········································3

2. 注塑模结构设计··················································································4

2.1 分型面选择······················································································4

2.2确定形腔的排列方式········································································5

2.3 浇注系统设计··················································································5

2.4 排气系统设计··················································································6

2.5 拉料杆设计······················································································7

2.6 推出机构的设计与制造····································································7

2.7 导向零件的设计··············································································8

2.8 成型部分计算··················································································9

3. 模具加热和冷却系统的计算·······························································10

4. 模具闭合高度的定·············································································11

4.1 根据要求选用A4模架····································································11

4.2 注塑机有关参数的校核··································································12

5. 绘制模具总装配图和非标准零件图(附件)········································12

6. 模具主要成型零件加工工艺规程的编制·············································12

6.1 凹模的结构设计·············································································12

6.2 凸模的结构设计·············································································13

6.3 成型零件加工过程的工序安排·······················································13

6.4 型心型腔的一般常用加工工序·······················································13

7. 注塑模具的调试·················································································15

7.1 模具安装·······················································································15

7.2 模具试模·······················································································15

7.3 试模后模具验收项目·····································································15

8. 设计总结···························································································16

参考文献································································································16

总结

 

通过这次毕业设计让我们把平时在课堂上学到的理论与实际生产结合了起来。看似简单的零件想要得到,也是需要许多工序才能完成的。我们只所以选择使用模具来达到这样的效果,不仅与生产批量有关,还与生产条件有关。如果是大批量生产的零件使用模具就很容易实现机械化和现代化。能够保证零件的尺寸相差不大,以实现互换。设计是一个关键的工作,要查阅大量资料和统计计算工作,设计是个苦差事。

设计的好坏直接影响到制件质量和劳动强度以及生产成本。所以设计者应该具备渊博的知识和大量的实践经验作为基础,应该懂得生产的环节。这样才能设计出好的实用的模具来。

 

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