【正文】 畢業(yè)設(shè)計（論文）報告紙 i基于 UG 的萬向節(jié)滑動叉零件的工藝規(guī)程及工裝設(shè)計畢業(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 機械加工工藝規(guī)程設(shè)計 ..........................................................................................2 概述 .............................................................................................................................2 工藝規(guī)程的作用 ..................................................................................................2 工藝規(guī)程的設(shè)計原則 ..........................................................................................2 工藝規(guī)程設(shè)計所需原始材料 ..............................................................................2 工藝規(guī)程設(shè)計的步驟及內(nèi)容 ..............................................................................3 零件的分析 ..................................................................................................................3 生產(chǎn)類型的確定 ..................................................................................................4 零件的工藝分析 ..................................................................................................4 毛坯的選擇和設(shè)計 ..............................................................................................6 工藝路線的擬定 .........................................................................................................6 定位基準的選擇 ...................................................................................................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 及工時定額 ................................................................................12第三章 專用夾具設(shè)計 ......................................................................................................23 畢業(yè)設(shè)計（論文）報告紙 ii 概述 ...........................................................................................................................23 機床夾具的分類 ................................................................................................23 機床夾具的作用 ................................................................................................23 專用機床夾具的組成 ........................................................................................24 夾具設(shè)計的基本要求 ...............................................................................................24 專用夾具的設(shè)計方法和步驟 ...................................................................................24 銑床專用夾具設(shè)計 ...................................................................................................25 銑床夾具的設(shè)計要點 ........................................................................................25 定位方案 ............................................................................................................25 定位基準的選擇 .................................................................................................26 定位誤差分析 ....................................................................................................26 切削力及夾緊力計算 ........................................................................................27 夾具與機床連接元件 ........................................................................................28 對刀塊 ................................................................................................................28 銑床夾具使用說明 ............................................................................................28 鉆床專用夾具設(shè)計 ...................................................................................................30 鉆床專用夾具設(shè)計要點 ....................................................................................30 定位方案 ............................................................................................................31 定位誤差分析 ....................................................................................................31 鉆床專用夾具使用說明 ....................................................................................31第四章 夾具輔助設(shè)計 ......................................................................................................33 概述 ...........................................................................................................................33 最終傳動箱蓋立體圖的繪制 ...................................................................................33 裝配爆炸圖 ...............................................................................................................33 創(chuàng)建默認的爆炸圖 ............................................................................................33 編輯爆炸圖 ........................................................................................................33 二套夾具的爆炸圖 ............................................................................................34 裝配動畫設(shè)計 .........................................................................................................35 畢業(yè)設(shè)計（論文）報告紙 iii 簡介 ...............................