冲孔落料拉深复合模具设计(含全套说明书和cad图纸)

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1、126冲孔落料拉深复合模具设计(含全套说明书和CAD图纸)学校代码：10410序号：20055015本科毕业设计题目：学院：工学院姓名：黄学亮学号：20055015专业：机械设计制造及其自动化年级：机制051指导教师：吴彦红二OO九年五月冲孔落料拉深复合模目录前言·1．设计课题·········································11．1设计任务书···································22．工艺方案分析及确定·······················

2、·····32．1件的工艺分析··································32．2工艺方案的确定·······························42.3冲压件坯料尺寸的确定························42.4拉深次数的确定·····························42.5排样的确定·····································53.工艺设计与计算··································

3、73．1冲裁的方式与冲压力的计算···················73.1.1、冲裁方式与冲压力的计算························73.1.2.力的计算·······································73.1.3、卸料力、推料力和顶件力的计算··················83.1.4、压力中心的计算·······························93．2计算各主要零件的尺寸·······················93.2.1、计算落料

4、凸、凹模的工作部分的尺寸·············103.2.2、计算拉深凸、凹模的刃口尺寸的确定·············113.2.4、凸凹模选材，热处理及加工工艺过程·············113.2.5、条料宽度的设计·······························123.2.6、导料板的导料尺寸为···························143.2.7、推杆的选材，热处理工艺方案···················153.2.8、工艺方案如下················

5、·················153.2.9、模柄的确定···································153.2.10、冲压设备的选用······························163.2.11、模具的闭合高度的计算························163.2.12、冲模模架的选用······························163.2.13导向零件的选择·····························173.2.14、定位零件的设

6、计······························183.2.15、推杆与推板的设计····························183.2.16、压边圈的设计·······························243.2.17、固定方式的确定·····························243.2.18、凸模的固定·································24冲孔落料拉深复合模3.2.19、凹模的固定······················

7、··········243.2.20、凸凹模的紧固·······························243.2.21、确定装配基准·······························24结束语···········································23参考文献·········································24致谢···············································25前言随着科学技术的

8、发展需要，模具已成为现代化不可缺少的工艺装备，模具设计是机械专业一个最重要的教学环节,是一门实践性很强的学科，是我们对所学知识的综合运用，通过对专业知识的综合运用，使学生对模具从设计到制造的过程有个基本上的了解，为以后的工作及进一步学习深造打下了坚实的基础。毕业设计的主要目的有两个：一是让学生掌握查阅查资料手册的能力，能够熟练的运用CAD进行模具设计。二是掌握模具设计方法