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摘 要
本文作者研究的主要是數(shù)控車床的主傳動系統(tǒng)，這類主傳動系統(tǒng)的設(shè)計可用于對普通車床的改造，以適應(yīng)當前我國機床工業(yè)發(fā)展的現(xiàn)狀，具有一定的經(jīng)濟效益和社會效益。
本文作者完成的設(shè)計主要包括根據(jù)一些原始數(shù)據(jù)（其中包括機床的類型、規(guī)格等）結(jié)合實際條件和情況對車床一些參數(shù)進行擬定，再根據(jù)擬定的參數(shù)，進行傳動方案的比較，確定傳動方案。然后計算各傳動副的傳動比及齒輪齒數(shù)，再估算齒輪的模數(shù)和各軸的軸徑，并對齒輪和軸的強度、剛度進行校核。除此之外，還要對箱體內(nèi)的主要結(jié)構(gòu)進行設(shè)計，一些零件的選型，如電磁離合器的選擇等，從而完成對整個主傳動系統(tǒng)的設(shè)計。
關(guān)鍵詞：數(shù)控車床 主傳動系統(tǒng) 設(shè)計
Abstract
What author of this text study numerical control main transmission of lathe mainly, the main design of transmission can use for to ordinary transformation of lathe, In order to adapt to the current situation of the present industrial development of lathe of our country, have certain economic benefits and social benefit.
The design that the author of this text finished includes according to some initial data mainly( type, specification of including the lathe ,etc.) Combine actual condition and situation draft to some parameters of lathe, and then according to the parameter drafted, Carry on the comparison of the transmission scheme, confirm the transmission scheme. It then can't calculate every transmission transmission of the packs than and gear wheel tooth count, estimate modulus and the every axle foot-paths of axle of gear wheel more, And check the intensity, rigidity of gear wheel and axle . In addition, will design the main structure in the body of the case , the selecting types of some parts, Electromagnetic choice of clutch,etc., finish to whole main design of transmission for instance.
Keywords：NC machine tool; main driving system; design
目錄
0. 引言···········································1
1. 總體設(shè)計方案擬定·······························2
1.1 擬定主云動參數(shù)·······························2
1.2 運動設(shè)計·····································3
1.3 動力設(shè)計和結(jié)構(gòu)草圖設(shè)計·······················3
1.4 軸和齒輪的驗算·······························3
1.5 主軸變速箱設(shè)計·······························3
1.6 進給電機伺服系統(tǒng)設(shè)計·························3
2. 參數(shù)擬定·······································5
2.1 車床主參數(shù)和基本參數(shù)·························5
2.2 各級轉(zhuǎn)速的確定·······························5
3. 運動設(shè)計·······································6
3．1主運動擬定方案······························6
3.2 傳動方案的比較·······························6
3.3 各級傳動比的計算·····························8
3.4 各軸轉(zhuǎn)速的確定方法···························10
3.5 轉(zhuǎn)速圖擬定···································10
4. 主傳動系統(tǒng)設(shè)計································11
4.1 帶輪及帶的計算·······························11
4.2 齒輪的計算···································13
4.3 電磁離合器的選擇和使用·······················21
4.4 軸的設(shè)計和驗算······························24
5. 主軸變速箱的裝配設(shè)計·························30
5.1 箱體內(nèi)結(jié)構(gòu)設(shè)計的特點························30
5.2 設(shè)計的方法··································31
6. 典型零件的加工工藝（軸類、盤類、箱體類等）····33
6.1 軸類零件的加工······························33
6.2 箱體類零件的加工····························47
致謝············································56
參考文獻········································57