目 錄 摘要.........................................................1 1 犁刀變速箱工藝設(shè)計(jì)...................................................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(jī)械加工工藝過程設(shè)計(jì)................................................3

2.1機(jī)械加工工藝過程設(shè)計(jì).............................................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(shí)間定額 .................................... .............8

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

3 機(jī)床總體設(shè)計(jì)....................................................12

3.1機(jī)床總體設(shè)計(jì)........................................ ........12

3.2組合機(jī)床工藝分析................................................13

3.3主軸的設(shè)計(jì)與計(jì)算..............................................18

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

4.1機(jī)床夾具概述.................................................22

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

4.3夾緊機(jī)構(gòu)...................................................23

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

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

參考文獻(xiàn)......................... ..........................28