764 沖裁復(fù)合模的設(shè)計

764 沖裁復(fù)合模的設(shè)計,復(fù)合,設(shè)計 1 緒 論 ...................................................................................................................................................11.1 模具概述 ............................................................................................................................................11.2 沖 模發(fā)展狀況 ....................................................................................................................................12 設(shè)計任務(wù)書（JR） ..............................................................................................................................22.1 零件方案 ............................................................................................................................................22.2 沖壓件工藝的分析 ............................................................................................................................33 設(shè)計計算說明書（SS） ......................................................................................................................33.1 確定沖壓的基本工序 ........................................................................................................................33.2 確定基本工序的尺寸公差 ................................................................................................................43.3 排樣及材料的利用率 ........................................................................................................................43.4 計算工序壓力 ...................................................................................................................................43.5 沖壓設(shè)備的的選擇 ............................................................................................................................53.6 確定壓力中心 ....................................................................................................................................53.7 沖模刃口尺寸及公差的計算 ...........................................................................................................63.8 確定個主要零件的結(jié)構(gòu)尺寸 ............................................................................................................73.9 工藝方案的確定 ................................................................................................................................73.9.1 沖壓性質(zhì) .........................................................................................................................................73.9.2 沖壓次數(shù) ...........................................................................................................................................73.9.3 沖壓順序 .........................................................................................................................................83.9.4 組合方式 .........................................................................................................................................83.10 模具結(jié)構(gòu)形式選擇的基本原則 ......................................................................................................93.10.1 卸料裝置 .......................................................................................................................................93.10.2 導(dǎo)向裝置 .......................................................................................................................................93.10.3 凹模板外形尺寸的確定 ...............................................................................................................93.10.4 凸模固定板外形尺寸的確定 .....................................................................................................103.10.5 凸凹模 墊板外形尺寸確定 .......................................................................................................103.10.6 卸料橡膠的選用 .........................................................................................................................103.10.7 模板類零件的固定 ........................................................................................................................113.10.8 凸模的固定 ...................................................................................................................................113.10.9 凹模鑲塊的固定 ..............................................................................................................................114 設(shè)計并繪制總裝配圖、選取標準件 ...................................................................................................124.1 下模座的選用 .................................................................................................................................124.2 上模座的選用 ...................................................................................................................................135 使用說明書（SM） ...........................................................................................................................135.1 工作過程 ..........................................................................................................................................135.2 模具結(jié)構(gòu)特點 ...................................................................................................................................145.2.1 下模固定板具有高精度、長壽命 ................................................................................................145.2.2 快速更換沖裁凹模鑲塊 .................................................................................................................146 標準化審查報告（BS） .......................................................................................................................156.1 產(chǎn)品圖樣的審查 .......................................................................................................................156.2 產(chǎn)品技術(shù)文件的審查 ...............................................................................................................156.3 標準件的使用情況 ...................................................................................................................156.4 審查結(jié)論 ...................................................................................................................................16結(jié)束語 .......................................................................................................................................................17致 謝 .........................................................................................................................................................19