【正文】 定額。(5) 擬定工藝路線。(2) 對(duì)零件圖和裝配圖進(jìn)行工藝審查。(5) 制造廠的生產(chǎn)條件，包括機(jī)床設(shè)備和工藝設(shè)備的規(guī)格、性能和當(dāng)前的技 術(shù)狀態(tài)，工人的技術(shù)水平，工廠自制工藝裝備的能力以及工廠供電、供氣的能力等有關(guān)資料。 工藝規(guī)程設(shè)計(jì)所需原始材料設(shè)計(jì)工藝規(guī)程必須具備以下原始材料： 畢業(yè)設(shè)計(jì)（論文）報(bào)告紙 2 (1) 產(chǎn)品裝配圖、零件圖。 工藝規(guī)程的設(shè)計(jì)原則工藝規(guī)程設(shè)計(jì)必須遵循以下原則：(1)所設(shè)計(jì)的工藝規(guī)程必須保證機(jī)器零件的加工質(zhì)量和機(jī)器的裝配質(zhì)量，達(dá)到設(shè)計(jì)圖樣上規(guī)定的各項(xiàng)技術(shù)要求。常用的有機(jī)械加工工藝過(guò)程卡片、機(jī)械加工工藝卡片、機(jī)械加工工序卡片。 畢業(yè)設(shè)計(jì)（論文）報(bào)告紙 1 第二章 機(jī)械加工工藝規(guī)程設(shè)計(jì) 概述將工件在各個(gè)機(jī)加工工序中所采用的加工方法、應(yīng)達(dá)到的加工要求、所需要的工裝設(shè)備、具體的操作規(guī)范等用文件的形式詳細(xì)地規(guī)定下來(lái)，即形成了零件機(jī)加工工藝規(guī)程?，F(xiàn)代專(zhuān)用夾具的發(fā)展方向主要表現(xiàn)為標(biāo)準(zhǔn)化精密化，高效化、柔性化。 畢業(yè)設(shè)計(jì)（論文）報(bào)告紙 i基于 UG 的萬(wàn)向節(jié)滑動(dòng)叉零件的工藝規(guī)程及工裝設(shè)計(jì)畢業(yè)論文目 錄摘 要 .....................................................................................................................................iAbstract ..................................................................................................................................ii第一章 引 言 ........................................................................................................................1 概述 .............................................................................................................................1 課題研究的方法和意義 ..............................................................................................1第二章 機(jī)械加工工藝規(guī)程設(shè)計(jì) ..........................................................................................2 概述 .............................................................................................................................2 工藝規(guī)程的作用 ..................................................................................................2 工藝規(guī)程的設(shè)計(jì)原則 ..........................................................................................2 工藝規(guī)程設(shè)計(jì)所需原始材料 ..............................................................................2 工藝規(guī)程設(shè)計(jì)的步驟及內(nèi)容 ..............................................................................3 零件的分析 ..................................................................................................................3 生產(chǎn)類(lèi)型的確定 ..................................................................................................4 零件的工藝分析 ..................................................................................................4 毛坯的選擇和設(shè)計(jì) ..............................................................................................6 工藝路線的擬定 .........................................................................................................6 定位基準(zhǔn)的選擇 ...................................................................................................6 表面加工方法和加 工方案的選擇 ......................................................................7 制定工藝路線 ......................................................................................................8 機(jī)械加工余量及工藝尺寸 ..........................................................................................9 加工余量及工序尺寸的確定 ..............................................................................9 確定切削用量 及工時(shí)定額 ................................................................................12第三章 專(zhuān)用夾具設(shè)計(jì) ......................................................................................................23 畢業(yè)設(shè)計(jì)（論文）報(bào)告紙 ii 概述 ...........................................................................................................................23 機(jī)床夾具的分類(lèi) ................................................................................................23 機(jī)床夾具的作用 ................................................................................................23 專(zhuān)用機(jī)床夾具的組成 ........................................................................................24 夾具設(shè)計(jì)的基本要求 ...............................................................................................24 專(zhuān)用夾具的設(shè)計(jì)方法和步驟 ...................................................................................24 銑床專(zhuān)用夾具設(shè)計(jì) ...................................................................................................25 銑床夾具的設(shè)計(jì)要點(diǎn) ........................................................................................25 定位方案 ............................................................................................................25 定位基準(zhǔn)的選擇 .................................................................................................26 定位誤差分析 ....................................................................................................26 切削力及夾緊力計(jì)算 ........................................................................................27 夾具與機(jī)床連接元件 ........................................................................................28 對(duì)刀塊 ................................................................................................................28 銑床夾具使用說(shuō)明 ............................................................................................28 鉆床專(zhuān)用夾具設(shè)計(jì) ...................................................................................................30 鉆床專(zhuān)用夾具設(shè)計(jì)要點(diǎn) ....................................................................................30 定位方案 ............................................................................................................31 定位誤差分析 ....................................................................................................31 鉆床專(zhuān)用夾具使用說(shuō)明 ....................................................................................31第四章 夾具輔助設(shè)計(jì) ......................................................................................................33 概述 ...........................................................................................................................33 最終傳動(dòng)箱蓋立體圖的繪制 ...................................................................................33 裝配爆炸圖 .....................................................................................