【正文】 ... 4 夾具組成 ............................................................................... 4 夾具的基本組成部分 .................................................. 4 夾具的其他組成部分 .................................................. 5 夾具的分類 ............................................................................ 5 按夾具的通用特性分類 .............................................. 5 按夾具使用的機床分類 .............................................. 5 夾具使用優(yōu)點 ........................................................................ 7 夾具設 計要求 ........................................................................ 7 夾具設計基本要求 ...................................................... 7 生產對其提出的新要求 .............................................. 8 夾具設計特點 ........................................................................ 8 現(xiàn)代夾具的發(fā)展發(fā)向 ............................................................ 9 第 2 章 工藝規(guī)程的編制 .................................................................. 10 零件的分析 .......................................................................... 10 零件的作用 ................................................................ 10 零件的工藝分析 .........................................................11 確定毛坯的制造形式 .......................................................... 12 基面的選擇 .......................................................................... 13 CA6140 車床撥叉 831006 加工工藝規(guī)程及夾具設計 IV 制定工藝路 .......................................................................... 14 選擇加工設備及刀具、夾具、量具 ................................... 15 機械加工余量、工序尺寸及毛坯尺寸的確定 .................... 16 確立切削用量及基本工時 .................................................. 19 第 3 章 夾具設計 .............................................................................. 37 工序 30 的夾具設計 ............................................................ 37 問題的提出 ................................................................ 37 夾具設計 ................................................................... 37 定位誤差的分析 ........................................................ 40 夾具設計及操作的簡要說明 ..................................... 40 工序 50 的夾具設計 ............................................................ 40 問題的提出 ................................................................ 40 夾具設計 ................................................................... 41 定位誤差的分析 ........................................................ 43 夾具設計及操作的簡要說明 ..................................... 43 工序 70 的夾具設計 ............................................................ 44 問題的提出 ................................................................ 44 夾具設計 ................................................................... 44 定位誤差的分析 ........................................................ 47 夾具設計及操作的簡要說明 ..................................... 47 第 4 章 機床夾具優(yōu)化設計及經濟效益 ........................................... 48 優(yōu)化設計分析 ........................................................................ 48 成組夾具成本 ............................................................... 48 優(yōu)化設計的現(xiàn)實意義 .................................................. 49 機床夾具柔性化 .................................................................... 49 機床夾具經濟效益分析 ........................................................ 50 結 論 ................................................................................................. 52 致 謝 ................................................................................................. 53 參考文獻 ............................................................................................. 54 CA6140 車床撥叉 831006 加工工藝規(guī)程及夾具設計 V Contents Abstract ............................................................................................... Ⅰ Chapte r 1 Introduction ..................................................................... 1 The signifi cance of the fixture design .................................. 1 Fixture design research overview ......................................... 2 The definition of a fixture ........................................... 2 Fixture development .................................................... 2 Design of jigs and fixtures to solve the main proble ms ............................................................... 3 Functions of fixtures ............................................................. 3 Fixture position .............................................................. 4 The basic ponents of fixtures ................................ 4 The other ponent of the fixture s ............................ 4 Fixture of classification ........................................................ 5 According to the mon characteristics of classification fixtures .................................................. 5 The machine tool used by fixture classification .......... 5 Use the advantages of fixtures .............................................. 6 Design of machinetool fixtures ........................................... 7 Basic requirements for the design of fixtures .............. 7 Production on his proposed new requirements ............. 7 Fixture design characteristics ............................................... 8 Develop ment of modern fixtures sent to ............................... 9 Chapte r 2 The co mpilation of proce dures ..................................... 10 Part of the analysis ............................................................. 10 Part of the role ........................................................... 10 Parts of the Process Analysis ......................................11 Determine the form of blank manufacturing ....................... 12 CA6140 車床撥叉 831006 加工工藝規(guī)程及夾具設計 VI The