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轴承内外圈加工专用机床车架与主轴箱设计论文[带图纸].doc

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轴承内外圈加工专用机床车架与主轴箱设计论文[带图纸].doc

编号无锡太湖学院毕业设计(论文)题目轴承内外圈加工专用机床车架与主轴箱设计信机系机械工程及自动化专业学号学生姓名指导教师职称副教授)(职称)2013年5月25日无锡太湖学院本科毕业设计(论文)诚信承诺书本人郑重声明所呈交的毕业设计(论文)轴承内外圈加工专用机床车架与主轴箱设计是本人在导师的指导下独立进行研究所取得的成果,其内容除了在毕业设计(论文)中特别加以标注引用,表示致谢的内容外,本毕业设计(论文)不包含任何其他个人、集体已发表或撰写的成果作品。班级机械93学号作者姓名2013年5月25日II摘要本文研究的题目是轴承内外圈加工专用机床车架和主轴箱设计。该课题来源于某机床制造企业的轴承内外圈加工专用机床生产线改造项目,对于一台机床而言,机架犹如骨骼一样支撑着整台机床,而主轴箱则犹如心脏一样为整台机床提供不竭动力。本着主轴箱功能单一、输入功率利用高、车架结构简单、布局合理的原则,对主轴箱和车架进行了相关尺寸设计并运用UG软件对零部件进行三维建模、虚拟装配和运动仿真。主轴箱设计部分完成对主轴部件的尺寸设计与强度校核、皮带轮的选用、轴承的选用与寿命计算、键销的选型与强度较核以及主轴箱内的其他零件设计。车架设计部分由于是非标部件,故采用类比同类机床的设计经验,结合结构简单,布局合理的原则对车架进行尺寸设计,最后介绍车架的焊接技术。在完成尺寸设计后,根据尺寸并运用UG软件完成相关零部件的建模,将所有零部件进行虚拟装配,最后利用UG的仿真模块对主轴箱进行运动仿真,分析仿真结果,得出结论,进而完成整篇论文书写。关键词主轴箱车架三维建模虚拟装配运动仿真IIIAbstractThetitleofthisarticleisdesigningtheframeandtheheadstockofthespecialmachinetoolformachiningbearinginnerandouterring.Thestudyisbasedonaprojectfortransformingtheproductionlineofthespecialmachinetoolformachiningbearinginnerandouterringofamanufactory.Theframeisjustasskeletontosupportthewholelathe,andtheheadstockjustashearttoofferaninexhaustibledrivingforceforalathe.Toachievethegoalofthesinglefunctionandtoimprovehighutilizationforinputpower,Idesignedtheheadstock.Theframehassimplestructure,andreasonablelayout.IwoulddesigntherelatedmeasurementofheadstockandframebyusingUGsoftware.ThenIwoulduseUGtodo3Dmodeling,virtualassemblyandmotionsimulation.Thepartofdesigningtheheadstockwouldcompletethedesignofthemeasurementandstrengthcheck,selectionofpulley,theselectionandthelifecalculationofthebearing,keypinselectionandstrengthcheck,andotherpartsintheheadstock.Theframeisnonstandardpart.Accordingtotheexperienceofthesimilarmachinetool,andcombinedwithsimplestructureandrationallayoutoftheprinciple,Idesignedtheframe.Atlast,Iintroducetheframeweldingtechnology.Accordingtothesize,IusedUGsoftwaretocompletetherelatedpartsmodeling,virtualassembly.ThenIdidthesimulationmotion,analysetheresultsfortheconclusion,andcompletethewholewriting.Keywordsheadstockframe3DmodelingvirtualassemblymotionsimulationV目录摘要............................................................................................................................................IIABSTRACT..................................................................................................................................III目录..............................................................................................................................................V1绪论.............................................................................................................................................11.1车架与主轴箱设计的背景与目的......................................................................................11.2轴承内外圈车削加工国内发展历史及现状......................................................................11.3车架和主轴箱设计的意义..................................................................................................11.4研究内容、预期目标及研究方法......................................................................................22总体方案设计.............................................................................................................................32.1车架的类型..........................................................................................................................32.2主轴的类型..........................................................................................................................33主轴箱设计.................................................................................................................................53.1主轴箱的概述......................................................................................................................53.2主轴的概述..........................................................................................................................53.2.1主轴的用途和分类........................................................................................................53.2.2主轴的材料....................................................................................................................53.3主轴主要参数设计...............................................................................................................53.3.1概述................................................................................................................................53.3.2主轴平均直径D的确定...............................................................................................63.3.3主轴内孔直径D的确定...............................................................................................73.3.4主轴悬伸量A的确定...................................................................................................83.3.5主轴支承跨距L的确定...............................................................................................83.4电动机的选择......................................................................................................................83.5主轴的传动设计..................................................................................................................83.5.1转动方式概述.................................................................................................................83.5.2皮带轮设计.....................................................................................................................83.6键的选择与校核................................................................................................................113.6.1概述...............................................................................................................................113.6.2键的强度计算..............................................................................................................113.6.3键的尺寸设计..............................................................................................................133.7轴向定位............................................................................................................................133.8主轴的轴承选择和配置....................................................................................................133.8.1概述..............................................................................................................................133.8.2轴承的选择..................................................................................................................133.8.3轴承安装方式..............................................................................................................143.8.4轴承的预紧..................................................................................................................143.8.5圆锥滚子轴承校核......................................................................................................14

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