Φ400车床主传动系统设计说明书.doc

I摘要本文主要进行400车床主传动系统设计，车床广泛应用于机械加工行业中，本设计主要针对车床的主轴箱主传动系统进行设计，设计的内容主要有机床主要参数的确定，主传动系统的拟定，传动方案，转速图和传动系统图的拟定，齿轮传动的设计，轴的设计，带传动的设计。对主要零件进行了计算和验算，利用CAD画图软件进行了零件的设计和处理。关键词：车床；主轴箱；传动IIAbstractInthispaper,400lathemaindrivesystemdesign,lathewidelyusedinthemachiningindustry,thedesignoflathespindleboxmaindrivesystemdesign,designofthemainmachineparameterstodeterminetheformulationofthemaintransmissionscheme,thespeedchartandtransmissionmapformulationofthegeardrivedesign,thedesignoftheshaft,beltdrivedesign.ThemainpartswerecalculatedandcheckingCADdrawingsoftwaredesignandhandlingofparts.Keywords：Lathe；Spindlebox；TransmissionIII目录摘要.Abstract.第1章绪论.11.1用途.11.2性能.11.3结构.11.4设计目的.11.5国内外发展.21.6研究目的和意义.2第2章机床的主参数和其他主要技术要求.32.1主参数和基本参数.32.1.1主参数.32.1.2基本参数.32.1.3普通车床的基本参数.32.2主传动的设计.42.2.1主轴极限的确定.42.2.2公比的确定.42.2.3主轴转速级数的确定.52.2.4主传动电动机功率的确定.5第3章主传动系统的拟定.63.1传动比.63.2变速的基本规律.63.3转速图的拟定.63.4分配各变速组的最小传动比.73.5确定齿轮齿数.73.6同一变速组内模数的齿轮齿数的确定.8第4章齿轮传动设计.12IV4.1第一变速组齿轮的结构尺寸.124.2第二变速组齿轮结构尺寸的设计.154.3第三变速组齿轮设计.19第5章带传动设计.23第6章轴的设计.266.1轴的设计计算.266.2轴的设计计算.286.3轴的设计计算.306.4主轴的设计.33第7章箱体的结构设计.367.1箱体材料.367.2箱体结构.37第8章润滑与密封.388.1润滑与密封的设计.388.2润滑油的选择.38总结.39致谢.40参考文献.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