毕业设计（论文）-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）题目制动垫片冲压模具设计姓名学号1003151038013指导教师完成日期2012/9/25教学系机械工程系-49-目录绪论····························································3（一）冲裁模设计题目···········································4（二）冲压零件的工艺性分析····································41．零件的工艺性分析·····················

2、····················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、·10-49-7．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····································10（三）模具设计计算··········································101．使用挡料销的设计·······································102．回带式挡料销的设计·····

4、·······························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······························52-49-．利用率计算················································53．计算总冲压力·············································64．确定压力中心·············································75．冲模刃

5、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···································10（3）凸模强度校核·······································11（4）定位零件的设计···································

6、··11（5）导料板的设计················································11-49-（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·····························································18参考文献························································18致谢·

7、····························································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

8、于模具的发