工藝夾具-連接座的數(shù)控工藝及主要工序工裝設(shè)計

工藝夾具-連接座的數(shù)控工藝及主要工序工裝設(shè)計,工藝,夾具,連接,數(shù)控,主要,工序,工裝,設(shè)計 目 錄 中文摘要…………………………………………………………………………………………………Ⅰ 英文摘要………………………………………………………………………………………………………Ⅱ 第一章 前 言 .................................................................................................................................................1 第二章 零件的分析 ..........................................................................................................................................2 2.1 零件的作用 ..................................................................................................................................................2 2.2 零件的工藝分析 .........................................................................................................................................2 第三章 工藝規(guī)程設(shè)計 .....................................................................................................................................3 3.1 確定毛胚的制造形式 .................................................................................................................................3 3.2 基面的選擇 ..................................................................................................................................................3 3.3 制定工藝路線 .............................................................................................................................................3 3.3.1 工藝路線方案一 ................................................................................................................................4 3.3.2 工藝路線方案二 ................................................................................................................................4 3.3.3 工藝方案的比較與分析 ....................................................................................................................5 3.4 選擇加工設(shè)備和工藝裝備 ........................................................................................................................6 3.4.1 機床選用 .............................................................................................................................................6 3.4.2 選用夾具 .............................................................................................................................................6 3.4.3 選擇刀具 .............................................................................................................................................7 3.4.4 選擇量具 .............................................................................................................................................7 3.5 機械加工余量、工序尺寸及毛胚尺寸的確定 .......................................................................................7 3.5.1 外圓加工表面及端面 ........................................................................................................................8 3.5.2 兩孔的加工余量 ................................................................................................................................8 3.6 確定切削用量及基本工時 .........................................................................................................................9 3.6.1 工序Ⅳ .................................................................................................................................................9 3.6.1.1 確定粗車左端面的切削用量 ...........................................................................................................9 3.6.1.2 確定粗鏜 10?的切削用量及基本工時 ....................................................................................11 3.6.2 工序Ⅴ ...............................................................................................................................................12 3.6.3 工序Ⅶ ...............................................................................................................................................12 3.6.3.1 確定半精車左端面的切削用量 .....................................................................................................12 3.6.3.2 確定半精鏜 )(710035.?H的切削用量 ...................................................................................14 3.6.4 工序Ⅷ ...............................................................................................................................................15 3.6.5 工序Ⅹ ...............................................................................................................................................15 3.6.5.1 確定鉆孔 m2?的切削用量 ....................................................................................................15 3.6.5.2 確定鉆孔 73,6?的切削用量 .............................................................................16 3.6.5.3 鉆螺紋底孔及攻螺紋 54M?......................................................................................................17 3.6.6 工序Ⅺ ...............................................................................................................................................17 第四章 孔 7?的工裝設(shè)計 ...........................................................................................................19 4.1 夾具的設(shè)計 ................................................................................................................................................19 4.1.1 定位分析 ...........................................................................................................................................19 4.1.2 定位原理 ...........................................................................................................................................19 4.1.3 定位元件的分析 ..............................................................................................................................20 4.1.4 夾緊元件的選擇 ..............................................................................................................................20 4.1.5 定位誤差的分析 ..............................................................................................................................21 4.1.6 夾緊力的計算 ...................................................................................................................................22 4.2 液壓系統(tǒng)的設(shè)計 .......................................................................................................................................23 4.2.1 液壓系統(tǒng)分析 ...................................................................................................................................23 4.2.2 液壓系統(tǒng)的擬定 ..............................................................................................................................26 4.2.3 液壓的綜合回路 ..............................................................................................................................29 4.2.4 液壓系統(tǒng)元件的選擇 ......................................................................................................................31 4.2.4.1 液壓泵的選擇 .................................................................................................................................31 4.2.4.2 閥類元件及輔助元件 .....................................................................................................................31 4.2.5 油箱的選擇 .......................................................................................................................................32 4.2.6 液壓系統(tǒng)的性能驗算 ......................................................................................................................32 4.2.6.1 回路的壓力損失驗算 .....................................................................................................................32 4.2.6.2 油液溫升驗算 .................................................................................................................................32 第五章 數(shù)控工藝 ..........................................................................................................................................34 5.1 數(shù)控加工工序如下 ....................................................................................................................................34 5.2 CAXA 軟件的介紹 ......................................................................................................................................34 第六章 設(shè)計總結(jié) .............................................................................................................................................36 參 考 文 獻 ......................................................................................................................................................37 致 謝 ................................................................................................................................................................38 附錄 A:.................................................................................................................................................................39 附錄 B:.................................................................................................................................................................40