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課程設(shè)計(jì)撥叉零件的機(jī)械加工工藝規(guī)程及夾具設(shè)計(jì)-展示頁

2025-05-25 15:09本頁面
  

【正文】 ........................................................................................................3 三.工藝路線設(shè)計(jì) .............................................................................................................4 ........................................................................................................4 ........................................................................................4 四.機(jī)械加工余量,工序尺寸及毛坯尺寸的確定 .........................................................5 ,端面毛坯尺寸余量 ....................................................................................6 ,花鍵的加工余量 ............................................................................................6 216。22 ........................................................................................................6 ,攻絲螺紋孔 ................................................................................................6 .......................................................................................................................7 五 .確定切削用量及基本工時(shí) ............................................................................................7 ,半精銑左端面 ............................................................................................7 ,括預(yù)制孔 216。25H7的花鍵 ..................................................................................................9 ,半精銑上端面 ............................................................................................9 ,精銑 18H11底槽 .....................................................................................10 2M8 通孔,攻絲 ........................................................................................... 11 六.夾具設(shè)計(jì) ...................................................................................................................12 ......................................................................................................12 ..........................................................................................13 .......................................................................................
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