江苏信息职业技术学院毕业设计說明书 - PAGE 20 - NUMPAGES 20 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 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: 毕业设计任务书 姓名: 学号: 班级:模具/质检061 设计课题 U形弯曲件的冲压模具设计
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 2009年12月01号 目 录 前 言
一、冲压件的工艺性分析······························································1 1.U形弯曲件工作图······································································1
2.零件原材料及工艺性分析····························································2 3冲压件的尺寸精度分析································································2 二
、确定工艺方案及模具结构形式··············································2 彡、模具设计计算···········································································2
1.计算條料宽度及确定步距·····························································2 2.排样····························································································3
3.U形弯曲件回弹量的确定······························································4 4.减小和控制回弹的措施 ······························································4 5.计算总压力