【正文】 1目錄目錄 ................................................................................................................................21 前言 ............................................................................................................................5 刷片沖壓模具的課題硏究意義 ......................................................................5 刷片沖壓模具課題硏究的主要內(nèi)容 ..............................................................72 零件工藝性分析 ......................................................................................................7 材料分析 ...............................................................................................................7 確定工藝方案 ................................................................................................93 主要工藝參數(shù)計(jì)算 ................................................................................................11 計(jì)算毛坯尺寸 ..............................................................................................11 畫(huà)排樣圖 ......................................................................................................12 材料利用率計(jì)算 ............................................................................................12 計(jì)算沖裁力 ....................................................................................................13 確定壓力中心 ..............................................................................................14 沖壓設(shè)備的選擇 ..........................................................................................154 主要工作部分尺寸計(jì)算 ........................................................................................15 沖孔部分刃口計(jì)算 ......................................................................................15 切斷部分刃口計(jì)算 ......................................................................................175 模具總體設(shè)計(jì) ........................................................................................................18 確定送料方式 ..............................................................................................18 定位方式的選擇 ..........................................................................................18 卸料、出件方式的選擇 ..............................................................................186 卸料零件計(jì)算 ........................................................................................................20 卸料彈簧的選擇 ..........................................................................................207 模具各主要零件的設(shè)計(jì) ........................................................................................21 導(dǎo)料板的設(shè)計(jì) ..............................................................................................21 切斷凸模的設(shè)計(jì) ............................................................................................222 沖孔凸模的設(shè)計(jì) ..........................................................................................22 沖孔凸模的尺寸及形狀 ..................................................................23 凸模的固定形式 ..............................................................................24 凸模長(zhǎng)度的確定 ..............................................................................24 凸模強(qiáng)度的校核 ..............................................................................26 凹模的設(shè)計(jì) ..................................................................................................27 凹模的刃口形式 ..............................................................................27 凹模的外形及尺寸 ..........................................................................27 模具閉合高度的校核 ..................................................................................28 卸料螺釘?shù)脑O(shè)計(jì) ..........................................................................................28 模架的選取 ..................................................................................................29 導(dǎo)柱、導(dǎo)套的選擇 ......................................................................................29 導(dǎo)料銷(xiāo)的選擇 ............................................................................................30 螺釘及銷(xiāo)釘?shù)倪x擇 ....................................................................................30 ......................................................................................