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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(jì)可用于對普通車床的改造，以適應(yīng)當(dāng)前我國機(jī)床工業(yè)發(fā)展的現(xiàn)狀，具有一定的經(jīng)濟(jì)效益和社會效益。
本文作者完成的設(shè)計(jì)主要包括根據(jù)一些原始數(shù)據(jù)（其中包括機(jī)床的類型、規(guī)格等）結(jié)合實(shí)際條件和情況對車床一些參數(shù)進(jìn)行擬定，再根據(jù)擬定的參數(shù)，進(jìn)行傳動方案的比較，確定傳動方案。然后計(jì)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(qiáng)度、剛度進(jìn)行校核。除此之外，還要對箱體內(nèi)的主要結(jié)構(gòu)進(jìn)行設(shè)計(jì)，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(jì)。
關(guān)鍵詞：數(shù)控車床 主傳動系統(tǒng) 設(shè)計(jì)
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(jì)方案擬定·······························2
1.1 擬定主云動參數(shù)·······························2
1.2 運(yùn)動設(shè)計(jì)·····································3
1.3 動力設(shè)計(jì)和結(jié)構(gòu)草圖設(shè)計(jì)·······················3
1.4 軸和齒輪的驗(yàn)算·······························3
1.5 主軸變速箱設(shè)計(jì)·······························3
1.6 進(jìn)給電機(jī)伺服系統(tǒng)設(shè)計(jì)·························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(yùn)動設(shè)計(jì)·······································6
3．1主運(yùn)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(jì)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(jì)································11
4.1 帶輪及帶的計(jì)算·······························11
4.2 齒輪的計(jì)算···································13
4.3 電磁離合器的選擇和使用·······················21
4.4 軸的設(shè)計(jì)和驗(yàn)算······························24
5. 主軸變速箱的裝配設(shè)計(jì)·························30
5.1 箱體內(nèi)結(jié)構(gòu)設(shè)計(jì)的特點(diǎn)························30
5.2 設(shè)計(jì)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(xiàn)········································57