通油管底座加工工藝及夾具設(shè)計（通過答辯全套含CAD圖紙）

通油管底座加工工藝及夾具設(shè)計（通過答辯全套含CAD圖紙）,油管,底座,加工,工藝,夾具,設(shè)計,通過,答辯,全套,cad,圖紙 目 錄 摘 要 ...........................................................................................................................................I ABSTRACT .................................................................................................................................I 第一章 緒論 ..............................................................................................................................1 第二章 零件分析 ......................................................................................................................2 2.1 零件的作用 .......................................................................................................................2 2.2 零件的工藝分析 ...............................................................................................................2 2.2.1 以拐徑為 95mm 為中心的加工表面 .......................................................................2 2.2.2 以軸心線兩端軸為中心的加工表面 .......................................................................2 2.3 零件加工的主要問題和工藝過程設(shè)計分析 ...................................................................3 第三章 工藝規(guī)程設(shè)計 ..............................................................................................................6 3.1 確定毛坯的制造形式 .......................................................................................................6 3.2 基面的選擇 .......................................................................................................................6 3.2.1 粗基準(zhǔn)的選擇 ...........................................................................................................6 3.2.2 精基準(zhǔn)的選擇 ...........................................................................................................6 3.3 制定工藝路線 ...................................................................................................................6 3.4 機械加工余量工序尺寸及毛坯尺寸的確定 ...................................................................9 3.5 確定切削用量及基本工時 .............................................................................................12 3.6 時間定額計算及生產(chǎn)安排 .............................................................................................35 第四章 專用夾具設(shè)計 ............................................................................................................45 4.1 加工曲拐上側(cè)面油孔夾具設(shè)計 .....................................................................................45 4.1.1 定位基準(zhǔn)的選擇 .....................................................................................................45 4.1.2 切削力的計算與夾緊力分析 .................................................................................45 4.1.3 夾緊元件及動力裝置確定 .....................................................................................46 4.1.4 鉆套襯套及夾具體設(shè)計 .........................................................................................48 4.1.5 夾具精度分析 .........................................................................................................50 4.2 銑曲拐端面夾具設(shè)計 .....................................................................................................51 4.2.1 定位基準(zhǔn)的選擇 .....................................................................................................51 4.2.2 定位元件的設(shè)計 .....................................................................................................51 4.2.3 銑削力與夾緊力計算 .............................................................................................53 4.2.4 對刀塊和塞尺設(shè)計 .................................................................................................53 第五章 結(jié)論 ............................................................................................................................56 參考文獻 ....................................................................................................................................57 致 謝 ....................................................................................................................................58