【正文】 本次設計內(nèi)容涉及了機械制造工藝及機床夾具 設計、金屬切削機床、公差配合與測量等多方面的知識。 齒條 加工工藝規(guī)程及其夾具設計是包括零件加工的工藝設計、工序設計以及專用夾具的設計三部分。 關鍵詞 ：工藝、工序、切削用量、夾緊、定位、誤差。 After that is carrying on the size putation to a ponents each labor step of working procedure, the key is decides each working procedure the craft equipment and the cutting specifications。 Position error which calculates the jig locates when produces, analyzes the jig structure the rationality and the deficiency, and will design in later pays attention to the improvement. Keywords: The craft, the working procedure, the cutting specifications, clamp, the localization, the error 目 錄 序 言 ................................................................................................. 1 一 零件的分析 ....................................................................................... 2 零件的作用 ............................................................................... 2 零件的工藝分析 ...................................................................... 2 二 . 毛坯的確定 ...................................................................................... 4 確定毛坯的制造形式 .................................................................. 4 毛坯形狀及尺寸 ......................................................................... 5 三 擬定加工工藝路線 ............................................................................ 6 基準的選擇 ............................................................................... 6 粗基準選擇 ...................................................................... 6 精基準的選擇 .................................................................. 7 制定工藝路線 .......................................................................... 8 四 零件加工工序設計 ......................................................................... 10 鍛造 ....................................................................................... 10 退火處理 ................................................................................. 10 車右端面，鉆中心孔 ................................................................ 10 車左端面，鉆中心孔 ................................................................ 11 粗車各段外圓及切退刀槽 ......................................................... 12 精車各段外圓 .......................................................................... 13 鉆 Φ4的 孔 .............................................................................. 14 銑寬 4mm鍵槽 ........................................................................ 15 銑距離中心 .................................................... 16 五、 夾具設計 ..................................................................................... 18 問題的提出 ............................................................................. 18 定位基準的選擇 ...................................................................... 18 切削力及夾緊力計算 ............................................................... 19 定位誤差分析 ........................................................................ 19 夾具設計及操作簡要說明 ...................................................... 20 總 結(jié) .............................................................................................. 21 致 謝 ............................................................................................... 23 參 考 文 獻 ............