【正文】 糙度及技術(shù)要求，解決零件是否可以利用組合機(jī)床加工以及采用組合機(jī)床加工是否合理的問題。長(zhǎng) 春 工 業(yè) 大 學(xué) 畢 業(yè) 論 文 1 目 錄 1 組合機(jī)床總體設(shè)計(jì)方案 ......................................................................................................... 3 零件分析 ................................................................................................................... 3 零件分析 .......................................................................................................... 3 選擇定位基準(zhǔn)的原則及應(yīng)注意的事項(xiàng) ................................................................ 3 確定夾壓位置應(yīng)注意的問題 .............................................................................. 3 工藝分析 ................................................................................................................... 4 確定機(jī)床的配置形式 .................................................................................................. 4 組合機(jī)床部件的選擇 ....................................................................................... 5 不同配置型式組合機(jī)床的特點(diǎn)及適應(yīng)性 ........................................................... 5 確定切削用量及刀具的選擇 ....................................................................................... 5 確定切削用量時(shí)應(yīng)注意的問題 ......................................................................... 5 組合機(jī)床切削用量選擇及計(jì)算 ......................................................................... 6 2 組合機(jī)床的總體設(shè)計(jì) —— （三圖一卡） ................................................................................ 7 被加工零件工序圖的繪制 ........................................................................................... 7 氣缸蓋工序圖 .................................................................................................. 7 氣缸蓋的加工示意圖繪制 ........................................................................................... 8 繪制加工示意圖的作用和內(nèi)容 ......................................................................... 8 加工示意圖的畫法及注意事項(xiàng) ......................................................................... 8 選擇刀具、工具、導(dǎo)向裝置并標(biāo)注相關(guān)的位置及尺寸 ...................................... 9 確定動(dòng)力部件的工作循環(huán) ............................................................................... 11 機(jī)床總聯(lián)系尺寸圖的繪制 ..........................................................................................12 動(dòng)力部件的選擇 .............................................................................................12 夾具輪廓尺寸的確定 ......................................................................................13 機(jī)床的裝料高度 .............................................................................................13 中間底座輪廓尺寸 ..........................................................................................13 主軸箱輪廓尺寸的確定 ...................................................................................14 編制生產(chǎn)率計(jì)算卡 ....................................................................................................14 機(jī)床負(fù)荷率 ....................................................................................................15 編制生產(chǎn)率計(jì)算卡 ..........................................................................................16 3 組合機(jī)床主軸箱設(shè)計(jì) ...........................................................................................................16 組合機(jī)床主軸箱 設(shè)計(jì)內(nèi)容簡(jiǎn)介 ...................................................................................16 組合機(jī)床主軸箱的用途及分類 ........................................................................16 設(shè)計(jì)的具體內(nèi)容 .............................................................................................16 主軸箱設(shè)計(jì) ...............................................................................................................18 繪制主軸箱設(shè)計(jì)原始依據(jù)圖 ............................................................................18 軸結(jié)構(gòu)型式的選擇及動(dòng)力計(jì)算 ........................................................................19 傳動(dòng)系統(tǒng)的設(shè)計(jì) .............................................................................................23 4 鉆孔專用夾具設(shè)計(jì) ...............................................................................................................24 概述 .........................................................................................................................24 機(jī)床夾具的作用 .............................................................................................24 機(jī)床夾具的分類 .............................................................................................25 長(zhǎng) 春 工 業(yè) 大 學(xué) 畢 業(yè) 論 文 2 專用機(jī)床夾具的組成 ......................................................................................25 工件夾具的設(shè)計(jì) ........................................................................................................26 工件在夾具中的定位 .................................................................................................26 定位支承系統(tǒng)設(shè)計(jì) ..........................................................................................26 定位誤差的計(jì)算 .............................................................................................27 工件在夾具中的夾緊 .................................................................................................27 夾緊裝置的組成和要求 ...................................................................................27 夾緊力的確定 .................................................................................................27 夾緊力的計(jì)算 .................................................................................................28 致 謝 ................................................................................................................................29 參 考 文 獻(xiàn) ...........................................................................................................................30 附錄 ............................................................................................................ 錯(cuò)誤 !未定義書簽。