制动垫片冲压模具设计

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1、武威职业学院模具设计与制造专业（专科）毕业设计（论文）题目托板冲裁模具设计姓名滕永祥学号1003151038013指导教师赵忠玉完成日期2012/9/25教学系机械工程系目录绪论····························································3（一）冲裁模设计题目··················-49-·························4（二）冲压零件的工艺性分析····································41．零件的工艺性

2、分析·········································52．排边和搭边················································63．材料利用率的计算·········································74．冲裁件的精度与粗糙度·····································85．冲裁件的材料·············································106．确定工艺方案·

3、···········································107．冲裁力的计算·············································108．压力中心的计算··········································109．冲压模具总体结构设计-49-····································10（三）模具设计计算··········································101．使用挡料

4、销的设计·······································102．回带式挡料销的设计····································10（四）压力机的选型校核设计···················51．排样计算条料宽度及确定步距······························52．利用率计算················································53．计算总冲压力·····························

5、················64．确定压力中心·············································7-49-5．冲模刃口尺寸及公差的计算·································86．确定各主要零件结构尺寸···································10（1）凹模外形尺寸的确定··································10（2）凸模长度L1的确定·································

6、··10（3）凸模强度校核·······································11（4）定位零件的设计·····································11（5）导料板的设计················································11（五）冲压模具零件加工工艺卡的编制·························12（六）模具主要零件加工工艺规程的制·························15体会-49-··········

7、···················································18参考文献························································18致谢·····························································19附图纸···················································第一章绪论模具是现代化工业生产的重要工艺装备,是利用其特定形状去

8、成型具有一定形状和尺寸的制品的工具。模具作为一种生产工具已经广泛的地应用于各行各业，其发展之快，模具需求量之多，是前所未有的，今天，在国民经济的各个工业部门都越来越多地依靠模具来进行生产加工，模具已成为国民经济的基础工业，现代工业产品的品种和生产效益的提高，在很大程度上取决于