3575 彎曲沖孔復合模具設計,彎曲,曲折,沖孔,復合,模具設計 目 錄緒論.......................................................................................................................................1１．國內模具的現(xiàn)狀與發(fā)展趨勢........................................................................11.1 國內模具的現(xiàn)狀...................................................................................................11.2 國內模具發(fā)展趨勢.............................................................................................22. 國外模具的現(xiàn)狀與發(fā)展趨勢............................................................................3第一章 沖裁件的工藝分析及排樣....................................................................41.1 沖裁件的工藝分析........................................................................51.2 制件的外形分析............................................................................51.3 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)計算…….........................................................73.1 沖裁的工藝計算..............................................................................83.2 排樣的設計與計算..........................................................................83.3 沖裁力的計算….............................................................................103.4 壓力機的公稱壓力的計算………………………………………113.5 壓力中心的確定及相關計算……………………………………113.6 工作部分的尺寸計算…………………………………………….12第四章 模具總體設計................... ...................................................14第五章 模具主要零部件的設計................ ......................................145.1 工作零件的結構設計....................................................................145.2 定位零件的設計................... .......................................................165.3 導向裝置的設計.............................................................................175.4 打料裝置是設計................................ ................... ........................175.5 頂件裝置的設計............................................................................175.6 連接裝置是設計............................................................................185.7 固定板是設計........................................................................... .. ..195.8 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.............................. .............................. ................217.1 裝配前是準備..................................................................... ............227.2 裝配模柄......................................................... .................................227.3 裝配凸凹模.............................................................. ........................23第二部分第一章 零件結構工藝性分析................................................. .............241.1 彎曲是直邊高度................................................. ............................241.2 孔邊距................................................. ...........................................241.3 最小彎曲半徑................................................. ................................24第二章 主要工藝參數(shù)計算................................................. .................242.1 彎曲力的計算................................................. ...............................242.2 壓力機是壓力確定................................................. .....................252.3 回彈量是計算................................................. ..................... ........25第三章 彎曲模工零部分設計............ ............ ............ ............ .........253.1 凸凹模的間隙是計算............................................. ...................25第四章 模具總體設計............................................. ..........................26第五章 設備是選定............................ ......................... ........................27總結........................................................................................................28致謝........................................................................................................29參考文獻................................................................................................30