多用工作灯后盖模具设计毕业设计说明书.docVIP

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多用工作灯后盖模具设计毕业设计说明书.doc

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密级：科学技术学院 NANCHANG UNIVERSITY COLLEGE OF SCIENCE AND TECHNOLOGY 学士学位论文 THESIS OF BACHELOR （2008—2012年）题目多用工作灯后盖模具设计学科部：理工学科部专业：材料成型及控制工程（模具）班级： 082班学号： 7013308091 学生姓名：朱盛羿指导教师：罗华云起讫日期： 2011.12.19—2012.5.15 目录摘要·····································································Ⅰ Abstract ·································································Ⅱ 引言······································································1 第一章塑件成型工艺性分析················································1 1.1 塑件的分析·······················································1 1.2 ABS的性能分析···················································2 1.3 ABS的注射成型过程及工艺参数·····································3 　拟定模具的结构形式················································4 2.1　分型面位置的确定·················································4 2.2　型腔数量和排列方式的确定·········································5 2.3　注射机型号的确定·················································5 2.4　注射机相关参数的校核·············································6 　浇注系统的设计····················································6 3.1　主流道的设计·····················································7 3.2　分流道的设计·····················································7 3.3　冷料穴设计·······················································8 3.4　浇口·····························································8 3.5　校核主流道的剪切速率·············································9 3.6　排气系统设计·····················································10 　模架的确定························································10 4.1　各模板尺寸的确定·················································11 4.2　面积安装部分尺寸校核·············································11 　注射模的结构设计··················································11 5.1　导向机构的设计····················