目 錄 摘要.........................................................1 1 犁刀變速箱工藝設(shè)計...................................................1

1.1分析零件圖 ...............................................1

1.2確定生產(chǎn)類型.......................................................1

1.3 確定毛坯 ........................................................1

2 機械加工工藝過程設(shè)計................................................3

2.1機械加工工藝過程設(shè)計.............................................3

2.2選擇加工設(shè)備與工藝裝備 ..........................................5

2.3選擇加工設(shè)備與工備................................... ...........6

2.4確定切時間定額 .................................... .............8

2.5 填寫工藝規(guī)程卡.................................................12

3 機床總體設(shè)計....................................................12

3.1機床總體設(shè)計........................................ ........12

3.2組合機床工藝分析................................................13

3.3主軸的設(shè)計與計算..............................................18

4夾具設(shè)計...........................................................22

4.1機床夾具概述.................................................22

4.2定位支撐系統(tǒng).................................................22

4.3夾緊機構(gòu)...................................................23

結(jié)論................................ .......................26

致謝..................................................................27

參考文獻......................... ..........................28