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典型框型件沖壓模具設計

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更新時間：2015-05-20
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一、沖壓件的工藝性分析······························································1
1.框型件彎曲件工作圖······································································1
2.零件原材料及工藝性分析····························································2
3沖壓件的尺寸精度分析································································2
二、確定工藝方案及模具結構形式··············································2
三、模具設計計算···········································································2
1.計算條料寬度及確定步距·····························································2
2.排樣····························································································3
3.框型件彎曲件回彈量的確定······························································4
4.減小和控制回彈的措施 ······························································4
5.計算總壓力 ·················································································4
1）彎曲力····················································································5
2）沖壓總壓力·············································································5
①沖壓力····················································································5
②卸料力·····················································································5
③推料力····················································································5
④總壓力····················································································6
6.確定壓力中心················································································6
7.沖模刃口尺寸及公差的計算···························································6
1）查表確定初始間隙···································································6
2）計算凸，凹模制造公差·····························································6
3）代入公式計算各尺寸·································································6
四、確定主要零件結構尺寸·······························································8
1.由排樣圖確定凹模型孔位置·····························································8
2.確定凹模外形尺寸··········································································8
3.選則典型組合·················································································9
五、沖裁彎曲模主要工作零件的加工·················································9
六、模具裝配工藝··············································································10
1.模柄的裝配····················································································10
2.導柱和導套的裝配··········································································11
1）導柱的裝配·················································································11
2）導套的裝配·················································································11
3.凸（凹）模的裝配··········································································11
七、沖壓機的選擇···············································································12
設計總結·····························································································13
答謝辭·································································································14
參考文獻·····························································································15

前言

冷沖壓工藝是一種生產效率很高的、少切削或無切削的先進加工方法，在經濟和技術方面都具有很多的優點。它操作簡便，便于實現機械化和自動化，適合于較大批量零件的生產，其制品一般都不需作進一步的機械加工，尺寸精度和互換性也都比較好。所以，它在航空、汽車、拖拉機、電機電器、精密儀器儀表等工業中占有十分重要的地位。據相關統計資料介紹，僅汽車制造業就約有60%~75%...

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