闹钟后盖注塑模的cad-cam

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1、目录1引言.....................................................................(1)1.1课题的理论依据和现实意义......................................(1)1.2注塑模的设计特点和设计过程简介................................(1)1.2.1基本要求和注意事项........................................(2)1.2.2注塑模设计程序........................................

2、....(2)1.2.2.1接受任务书..........................................(3)1.2.2.2调研、消化原始材料..................................(3)1.2.2.3选择成型设备........................................(3)1.2.2.4拟定模具结构方案....................................(3)1.2.2.5方案的讨论和论证....................................(4)1.2.2.6绘制模具装配图

3、......................................(4)1.2.2.7绘制零件图..........................................(5)1.2.2.8编写设计说明书......................................(6)1.4注塑模具CAD技术发展过程......................................(7)1.5注塑模具CAD技术的应用........................................(8)1.6国内外注塑模具CAD技术研究现状........

4、.......................(10)2塑件注塑成型的工艺分析....................................(12)2.1塑件成型工艺分析....................................................(12)2.2闹钟后盖原料（ABS）的成型特性与工艺参数........................(13)3注射机型号的确定...................................................(14)3.1选择注射机型号.......................

5、................................(14)3.2模架的选定...........................................................(14)3.3最大注射压力的校核.................................................(16)4.塑件工作尺寸的计算.................................................(18)4.1型腔的径向尺寸计算...............................................

6、..(18)4.2型芯尺寸的计算......................................................(20)4.3模具型腔壁厚的计算.................................................(22)5浇注系统的设计......................................................(23)5.1主流道设计...........................................................(23)5.2冷料井设计...........

7、................................................(24)5.3分流道设计...........................................................(24)5.4浇口选择.............................................................(25)6分型面的选择与排气系统的设计....................