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I 目 錄 1 緒 論 .......................................................................................................................................1 1.1 沖壓模具行業(yè)發(fā)展現(xiàn)狀及技術(shù)趨勢(shì) ....................................................1 1.2 未來沖壓模具制造技術(shù)發(fā)展趨勢(shì) .....................................................2 2 沖孔落料復(fù)合模 ..........................................................4 2.1 工藝分析 .........................................................................4 2.2 工藝方案確定 .....................................................................5 2.3 主要的工藝計(jì)算 ...................................................................6 2.3.1 沖裁件坯料長(zhǎng)度的計(jì)算 .......................................................6 2.3.2 沖裁排樣方式的確定與相關(guān)計(jì)算 ...............................................7 2.4 模具工作零部件刃口尺寸的計(jì)算 .....................................................9 2.5 計(jì)算沖壓力和初選壓力機(jī) ..........................................................11 2.6 模具總體設(shè)計(jì) ....................................................................13 2.6.1 模具的類型選擇 ............................................................13 2.6.2 模具主要零部件的結(jié)構(gòu)設(shè)計(jì) ..................................................14 2.7 沖壓設(shè)備的的選用及安裝 ..........................................................17 2.7.1 沖壓設(shè)備的選定 ............................................................17 2.7.2 沖孔落料正裝復(fù)合模沖壓設(shè)備的安裝 ..........................................18 2.7.3 模具裝配的技術(shù)要求 ........................................................19 2.8 模具總裝圖 ......................................................................19 3 彎曲模的設(shè)計(jì) ..........................................................22 3.1 彎曲模具的相關(guān)計(jì)算 ..............................................................22 3.1.1 彎曲模工作部分尺寸計(jì)算 ...................................................22 3.1.2 彎曲模部分其他相關(guān)計(jì)算 ...................................................24 3.2 初選壓力機(jī) ......................................................................26 3.3 壓力中心的確定和沖壓力的計(jì)算 ....................................................27 3.4 一次彎曲成形模的設(shè)計(jì) ............................................................29 II 3.5. 一次彎曲成形模沖壓設(shè)備的選定及安裝 .............................................32 3.6 模具的總裝圖 ....................................................................33 總 結(jié) ....................................................................36 致謝 .....................................................................38 參考文獻(xiàn) .................................................................39 3