【正文】 ....... 3 緒論 ...................................................................... 4 第 1 章 沖裁件的工藝分析 ................................................... 5 工件材料 .........................................................................................................................5 工件結(jié)構(gòu)形狀 .................................................................................................................5 工件尺寸精度 .................................................................................................................5 第 2 章 沖裁工藝方案的確定 ................................................. 6 第 3 章 模具結(jié)構(gòu)形式的確定 ................................................. 8 第 4 章 模具總體設(shè)計(jì) ....................................................... 9 模具類型的選擇 .............................................................................................................9 操作方式 .........................................................................................................................9 卸料、出件方式 .............................................................................................................9 卸料方式 ................................................................................................................. 9 出件方式 ............................................................................................................... 10 確定送料方式 ...............................................................................................................10 確定導(dǎo)向方式 ...............................................................................................................10 第 5 章 模具設(shè)計(jì)計(jì)算 ...................................................... 11 排樣、計(jì)算條料寬度、確定步距、材料利用率 ....................................................... 11 排樣方式的選擇 ................................................................................................... 11 計(jì)算條料寬度 ....................................................................................................... 11 確定步距 ............................................................................................................... 13 計(jì)算材料利用率 ................................................................................................... 14 沖壓力的 計(jì)算 ...............................................................................................................15 沖裁力的計(jì)算 ....................................................................................................... 15 卸料力、頂件力的計(jì)算 ....................................................................................... 16 壓力中心的確定 ...........................................................................................................17 模具刃口尺寸的計(jì)算 ...................................................................................................18 沖裁間隙分析 ....................................................................................................... 18 落料尺寸 ............................................................................................................... 20 沖孔尺寸 ............................................................................................................... 20 第 6 章 主要零部件設(shè)計(jì) .................................................... 21 工作零部件 的結(jié)構(gòu)設(shè)計(jì) ...............................................................................................21 凸模 ....................................................................................................................... 21 落料凹模 ............................................................................................................... 21 四川信息職業(yè)技術(shù)學(xué)院 模具設(shè)計(jì)與制造綜合實(shí)訓(xùn)說(shuō)明書(shū) 第 2 頁(yè) 卸料部件的設(shè)計(jì) ...........................................................................................................22 卸料板的設(shè)計(jì) ....................................................................................................... 22 卸料螺釘?shù)倪x用 ................................................................................................... 22 模架以及其他零部件的選用 .......................................................................................23 第 7 章 校核模具閉合高 度及壓力機(jī)有關(guān)參數(shù) .................................. 24 校核模具閉合高度 .......................................................................................................24 沖壓設(shè)備的選定 ..............................................