毕业设计（论文）-u形弯曲件的冲压模具设计（全套图纸）

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1、U形弯曲件冲压模设计江苏信息职业技术学院毕业设计设计课题：U形弯曲件的冲压模设计全套CAD图纸，联系系别:机电工程系专业:模具设计与制造/理化测试与质量检测班级:模具/质检061姓名:学号:指导老师:完成时间:2009-12-01-23-23U形弯曲件冲压模设计毕业设计任务书姓名：学号：班级：模具/质检061一、设计课题U形弯曲件的冲压模具设计二、零件图及技术要求三、任务要求1.完成制件工艺性分析，确定制件成形工艺方案。2.完成模具装配图设计，绘制模具总装图。3.完成模具零件图设计，绘制模具零件图。4.撰写毕业设计说明书。指导教师：江苏信息职业技术学院机电工程系模具教研室-23-23U形

2、弯曲件冲压模设计2009年12月01号目录前言一、冲压件的工艺性分析······························································11.U形弯曲件工作图······································································12.零件原材料及工艺性分析····························································23冲压件的尺寸精度分析··································

3、······························2二、确定工艺方案及模具结构形式··············································2三、模具设计计算···········································································21.计算条料宽度及确定步距·····························································22.排样·········································

4、···················································3-23-23U形弯曲件冲压模设计3.U形弯曲件回弹量的确定······························································44.减小和控制回弹的措施······························································45.计算总压力·······································································

5、··········41）弯曲力····················································································52）冲压总压力·············································································5①冲压力····················································································5②卸料力··················

6、···································································5③推料力····················································································5④总压力····················································································66.确定压力中心···········································

7、·····································67.冲模刃口尺寸及公差的计算···························································-23-23U形弯曲件冲压模设计61）查表确定初始间隙···································································62）计算凸，凹模制造公差