【正文】 3 機(jī)床夾具概述 ................................................................................................................4 機(jī)床夾具 ...........................................................................................................7 機(jī)床夾具優(yōu)點(diǎn) ...................................................................................................7 機(jī)床夾具發(fā)展趨勢 ........................................................................................................4 機(jī)床夾具現(xiàn)狀 .........................................................................................................5 第 2 章 工藝規(guī)程設(shè)計(jì) .............................................................................................................6 零件 的分析 .....................................................................................................................7 零件的作用 .......................................................................................................7 零件的工藝分析 ...............................................................................................7 毛胚的選擇 .....................................................................................................................8 工藝路線的擬定 .............................................................................................................8 孔和平面的加工分析 .......................................................................................7 定位基準(zhǔn)的選擇 ..............................................................................................9 擬定工藝路線 .................................................................................................10 加工余量的確定 .............................................................................................................8 側(cè)面的的加工余量 ...........................................................................................7 刀具選擇 ........................................................................................................10 量具選擇 ........................................................................................................10 第 3 章 切削用量及工時(shí) .......................................................................................................16 粗銑尺寸 90 側(cè)面 .........................................................................................................16 加工刀具 .........................................................................................................16 計(jì)算切削用量 ................................................................................................17 計(jì)算切削工時(shí) ................................................................................................17 第 3 頁 共 34 頁 粗銑搭子側(cè)面 ...............................................................................................................17 加工條件 .........................................................................................................18 計(jì)算切削用量 ................................................................................................18 計(jì)算切削工時(shí) ................................................................................................18 精銑尺寸 90 側(cè)面 .........................................................................................................19 加工條件 .........................................................................................................19 計(jì)算切削用量 ................................................................................................20 計(jì)算切削工時(shí) ................................................................................................20 精銑搭子側(cè)面 ...............................................................................................................21 加工條件 .........................................................................................................21 計(jì)算切削用量 ................................................................................................22 計(jì)算切削工時(shí) ................................................................................................22 鉆刮沉孔 .......................................................................................................................23 鏜內(nèi)孔 105 ....................................................................................................................23 粗鏜 .................................................................................................................23 精鏜 ................................................................................................................23 鉆 M12 螺紋孔 .............................................................................................................24 第 4 章 專用夾具設(shè)計(jì) ...........................................................................................................25 鏜床夾具 .......................................................................................................................26 加工目標(biāo) ................................................................................................................26 夾具設(shè)計(jì) .................................