I摘要本文主要進(jìn)行400車床主傳動(dòng)系統(tǒng)設(shè)計(jì)，車床廣泛應(yīng)用于機(jī)械加工行業(yè)中，本設(shè)計(jì)主要針對(duì)車床的主軸箱主傳動(dòng)系統(tǒng)進(jìn)行設(shè)計(jì)，設(shè)計(jì)的內(nèi)容主要有機(jī)床主要參數(shù)的確定，主傳動(dòng)系統(tǒng)的擬定，傳動(dòng)方案，轉(zhuǎn)速圖和傳動(dòng)系統(tǒng)圖的擬定，齒輪傳動(dòng)的設(shè)計(jì)，軸的設(shè)計(jì)，帶傳動(dòng)的設(shè)計(jì)。對(duì)主要零件進(jìn)行了計(jì)算和驗(yàn)算，利用CAD畫圖軟件進(jìn)行了零件的設(shè)計(jì)和處理。關(guān)鍵詞：車床；主軸箱；傳動(dòng)IIAbstractInthispaper,400lathemaindrivesystemdesign,lathewidelyusedinthemachiningindustry,thedesignoflathespindleboxmaindrivesystemdesign,designofthemainmachineparameterstodeterminetheformulationofthemaintransmissionscheme,thespeedchartandtransmissionmapformulationofthegeardrivedesign,thedesignoftheshaft,beltdrivedesign.ThemainpartswerecalculatedandcheckingCADdrawingsoftwaredesignandhandlingofparts.Keywords：Lathe；Spindlebox；TransmissionIII目錄摘要.Abstract.第1章緒論.11.1用途.11.2性能.11.3結(jié)構(gòu).11.4設(shè)計(jì)目的.11.5國內(nèi)外發(fā)展.21.6研究目的和意義.2第2章機(jī)床的主參數(shù)和其他主要技術(shù)要求.32.1主參數(shù)和基本參數(shù).32.1.1主參數(shù).32.1.2基本參數(shù).32.1.3普通車床的基本參數(shù).32.2主傳動(dòng)的設(shè)計(jì).42.2.1主軸極限的確定.42.2.2公比的確定.42.2.3主軸轉(zhuǎn)速級(jí)數(shù)的確定.52.2.4主傳動(dòng)電動(dòng)機(jī)功率的確定.5第3章主傳動(dòng)系統(tǒng)的擬定.63.1傳動(dòng)比.63.2變速的基本規(guī)律.63.3轉(zhuǎn)速圖的擬定.63.4分配各變速組的最小傳動(dòng)比.73.5確定齒輪齒數(shù).73.6同一變速組內(nèi)模數(shù)的齒輪齒數(shù)的確定.8第4章齒輪傳動(dòng)設(shè)計(jì).12IV4.1第一變速組齒輪的結(jié)構(gòu)尺寸.124.2第二變速組齒輪結(jié)構(gòu)尺寸的設(shè)計(jì).154.3第三變速組齒輪設(shè)計(jì).19第5章帶傳動(dòng)設(shè)計(jì).23第6章軸的設(shè)計(jì).266.1軸的設(shè)計(jì)計(jì)算.266.2軸的設(shè)計(jì)計(jì)算.286.3軸的設(shè)計(jì)計(jì)算.306.4主軸的設(shè)計(jì).33第7章箱體的結(jié)構(gòu)設(shè)計(jì).367.1箱體材料.367.2箱體結(jié)構(gòu).37第8章潤滑與密封.388.1潤滑與密封的設(shè)計(jì).388.2潤滑油的選擇.38總結(jié).39致謝.40參考文獻(xiàn).41VCONTENTSAbstract.Chapter1Introduction.11.1Application.11.2Performance.11.3Structure.11.4Thepurposeofdesign.11.5Thedevelopmentofathomeandabroad.21.6Meaningandpurposeofresearch.2Chapter2Themainparametersofthemachinetoolsandothertechnicalrequirements.32.1Themainparametersandthebasicparameters.32.1.1Themainreferances.32.1.2Theessentialreferances.32.1.3Theordinarylathecommenreferances.32.2Thedesignofthemaindrive.42.2.1Thedeterminationofthespindlelimit.42.2.2Determinationofcommonratio.42.2.3Seriestodeterminethespindlespeed.52.2.4Themaindrivemotorpower.5Chapter3Theformulationofthemaintransmissionsystem.63.1Driveratio.63.2Thecommenlawoftrancformspeeds.63.3Theformulationofthespeeddiagram.63.4Allocationofthevariablespeedgroupminimumtransmissionratio.73.5Determinethenumberofgear