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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