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典型框型件沖壓模具設(shè)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(jié)構(gòu)形式··············································2
    三、模具設(shè)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(jié)構(gòu)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(dǎo)柱和導(dǎo)套的裝配··········································································11
    1)導(dǎo)柱的裝配·················································································11
    2)導(dǎo)套的裝配·················································································11
    3.凸(凹)模的裝配··········································································11
    七、沖壓機的選擇···············································································12
    設(shè)計總結(jié)·····························································································13
    答謝辭·································································································14
    參考文獻·····························································································15





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    冷沖壓工藝是一種生產(chǎn)效率很高的、少切削或無切削的先進加工方法,在經(jīng)濟和技術(shù)方面都具有很多的優(yōu)點。它操作簡便,便于實現(xiàn)機械化和自動化,適合于較大批量零件的生產(chǎn),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(yè)中占有十分重要的地位。據(jù)相關(guān)統(tǒng)計資料介紹,僅汽車制造業(yè)就約有60%~75%...
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