典型框型件冲压模具设计
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- 发布时间:2017-03-10
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-、冲压件的工艺性分析······························································1
1.框型件弯曲件工作图······································································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
三、模具设计计算···········································································2
1.计算条料宽度及确定步距·····························································2
2.排样····························································································3
3.框型件弯曲件回弹量的确定······························································4
4.减型控制回弹的措施 ······························································4
5.计算总压力 ·················································································4
1)弯曲力····················································································5
2)冲压总压力·············································································5
①冲压力····················································································5
②卸料力·····················································································5
③推料力····················································································5
④总压力····················································································6
6.确定压力中心················································································6
7.冲模刃口尺寸及公差的计算···························································6
1)查表确定初始间隙···································································6
2)计算凸,凹模制造公差·····························································6
3)代入公式计算各尺寸·································································6
四、确定主要零件结构尺寸·······························································8
1.由排样图确定凹模型孔位置·····························································8
2.确定凹模外形尺寸··········································································8
3.选则典型组合·················································································9
五、冲裁弯曲模主要工作零件的加工·················································9
六、模具装配工艺··············································································10
1.模柄的装配····················································································10
2.导柱和导套的装配··········································································11
1)导柱的装配·················································································11
2)导套的装配·················································································11
3.凸(凹)模的装配··········································································11
七、冲压机的选择···············································································12
设计总结·····························································································13
答谢辞·································································································14
参考文献·····························································································15
前 言
冷冲压工艺是-种生产效率很高的、少切削或无切削的先进加工方法,在经济和技术方面都具有很多的优点。它操作简便,便于实现机械化和自动化,适合于较大批量零件的生产,其制品-般都不需作进-步的机械加工,尺寸精度和互换性也都比较好。所以,它在航空、汽车、拖拉机、电机电器、精密仪器仪表等工业中占有十分重要的地位。据相关统计资料介绍,仅汽车制造业就约有60%75%
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