【正文】 擬定加工工藝路線 ....................................................................................................... 5 工藝路線方案 1 .................................................................................................. 5 工藝路線方案 2 .................................................................. 錯(cuò)誤 !未定義書簽。 工藝方案的比較與分析 ............................................................... 錯(cuò)誤 !未定義書簽。 第 5 章 工序設(shè)計(jì) ............................................................................................ 6 選擇加工設(shè)備及工藝裝備 ........................................................................................... 7 選擇夾具 ....................................................................................................................... 7 選用刀具 ....................................................................................................................... 7 第 6 章 確定機(jī)械加工余量、工序尺寸及公差 ............................................. 8 第 7 章 確立切削用量及基本工時(shí) ................................................................. 9 工序Ⅰ切削用量及基本時(shí)間的確定 ........................................................................... 9 切削用量 ............................................................................................................. 9 背吃刀量 ap ......................................................................................................... 9 定進(jìn)給量 f ........................................................................................................... 9 確定切削速度 v ................................................................. 錯(cuò)誤 !未定義書簽。 課程設(shè)計(jì) 校驗(yàn)機(jī)床功率 ................................................................................................... 10 基本時(shí)間 ........................................................................................................... 10 工序Ⅳ切削用量及基本時(shí)間的確定 ........................................................................ 10 切削用量 ................................................................................................................... 10 背吃刀量 ap ............................................................................................................... 11 f ............................................................................................................. 11 v .......................................................................................................... 11 .................................................................................................................... 11 第 8 章 夾具體總體設(shè)計(jì) .............................................................................. 14 定位基準(zhǔn)的選擇 ......................................................................................................... 14 夾具定位誤差分析 ..................................................................................................... 15 切削力及夾緊力計(jì)算 ................................................................................................. 16 切屑參數(shù)的設(shè)定 ......................................................................................................... 17 鉆孔切削用量 ................................................................................................... 17 確定進(jìn)給量 f ..................................................................................................... 17 確定切削速度 v ............................................................................................... 17 確定基本時(shí)間 ................................................................................................... 18 夾具總體設(shè)計(jì) ............................................................................................................. 18 第 9 章 夾具結(jié)構(gòu)設(shè)計(jì) .................................................................................. 19 鉆模板 ......................................................................................................................... 19 夾具體設(shè)計(jì) .............................................................