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目 錄 緒論.......................................................................................................................................1 １．國(guó)內(nèi)模具的現(xiàn)狀與發(fā)展趨勢(shì)........................................................................1 1.1 國(guó)內(nèi)模具的現(xiàn)狀...................................................................................................1 1.2 國(guó)內(nèi)模具發(fā)展趨勢(shì).............................................................................................2 2. 國(guó)外模具的現(xiàn)狀與發(fā)展趨勢(shì)............................................................................3 第一章 沖裁件的工藝分析及排樣....................................................................4 1.1沖裁件的工藝分析........................................................................5 1.2制件的外形分析............................................................................5 1.3沖裁件的尺寸精度和表面粗糙度................................................5 第二章 工藝方案的確定.....................................................................6 第三章 主要工藝參數(shù)計(jì)算…….........................................................7 3.1沖裁的工藝計(jì)算..............................................................................8 3.2 排樣的設(shè)計(jì)與計(jì)算..........................................................................8 3.3 沖裁力的計(jì)算….............................................................................10 3.4 壓力機(jī)的公稱(chēng)壓力的計(jì)算………………………………………11 3.5 壓力中心的確定及相關(guān)計(jì)算……………………………………11 3.6 工作部分的尺寸計(jì)算…………………………………………….12 第四章 模具總體設(shè)計(jì)................... ...................................................14 第五章 模具主要零部件的設(shè)計(jì)................ ......................................14 5.1 工作零件的結(jié)構(gòu)設(shè)計(jì)....................................................................14 5.2 定位零件的設(shè)計(jì)................... .......................................................16 5.3 導(dǎo)向裝置的設(shè)計(jì).............................................................................17 5.4 打料裝置是設(shè)計(jì)................................ ................... ........................17 5.5 頂件裝置的設(shè)計(jì)............................................................................17 5.6 連接裝置是設(shè)計(jì)............................................................................18 5.7 固定板是設(shè)計(jì)........................................................................... .. ..19 5.8 模架及組成零件的確定. ...............................................................19 第六章 模具工作原理.........................................................................20 第七章 模具的裝配.............................. .............................. ................21 7.1 裝配前是準(zhǔn)備..................................................................... ............22 7.2裝配模柄......................................................... .................................22 7.3裝配凸凹模.............................................................. ........................23 第二部分 第一章 零件結(jié)構(gòu)工藝性分析................................................. .............24 1.1 彎曲是直邊高度................................................. ............................24 1.2 孔邊距................................................. ...........................................24 1.3 最小彎曲半徑................................................. ................................24 第二章 主要工藝參數(shù)計(jì)算................................................. .................24 2.1 彎曲力的計(jì)算................................................. ...............................24 2.2 壓力機(jī)是壓力確定................................................. .....................25 2.3 回彈量是計(jì)算................................................. ..................... ........25 第三章 彎曲模工零部分設(shè)計(jì)............ ............ ............ ............ .........25 3.1 凸凹模的間隙是計(jì)算............................................. ...................25 第四章 模具總體設(shè)計(jì)............................................. ..........................26 第五章 設(shè)備是選定............................ ......................... ........................27 總結(jié)........................................................................................................28 致謝........................................................................................................29 參考文獻(xiàn)................................................................................................30