谐波齿轮工作状态下的应力分析

e题目谐波齿轮工作状态下的应力分析学生姓名e学号e所在学院e专业班级e指导教师e______完成地点e2009年06月12日谐波齿轮工作状态下的应力分析e（e）指导老师：e摘要谐波齿轮传动作为一种新型的传动技术在最近的几十年里发展的速度非常快。谐波齿轮传动主要是依靠柔轮的弹性变形来传递运动和载荷的。由于谐波齿轮传动过程的复杂性，至今还有不少问题没有很好的解决。所以对谐波齿轮传动过程的研究具有重要的实际意义。本文主要对谐波齿轮传动关键零件的力学特性进行了研究，同时对柔轮的运动特性作出了一定的分析。本文主要内容：阐述及分析了谐波齿轮传动技术的发展趋势、研究现状，介绍了谐波齿轮传动的原理、结构及特点，谐波齿轮传动中柔轮变形规律；在三维造型软件proe中建立谐波齿轮传动装置的实体模型，通过有限元接触分析对齿间的接触力进行分析。分析了柔轮壳体中的应力大小和分布规律。由于柔轮的应力应变情况在波发生器的作用下发生连续性的弹性变形，长时间承受着交变应力的作用，谐波齿轮传动的使用寿命在相当大的程度上取决于柔轮的强度。本文中关于柔轮应力分布的研究方法和研究结论，为提高谐波齿轮使用寿命的具有重要的参考意义。关键词:谐波齿轮传动，柔轮，有限元分析，力学特性AnalysisofMechanicalCharacteristicsofHarmonicDriveeeTutor：eAbstractAsanewtransmissiontechnology，thedevelopmentspeedofharmonicgeardriveisveryfastinrecentdecades.Harmonicgeardrivemainlyreliesontheelasticdeformationtotransmitmotionandloads.Becauseofthecomplexityoftheharmonicgeardriveprocess,sincetherearemanyproblemsnotwellsolved.Sothestudyofharmonicgeardriveprocesshasimportantpracticalsignificance.Inthispaper,themechanicalcharacteristicsofthekeypartsoftheharmonicgeardriveisstudied,andthemotioncharacteristicsoftheflexiblewheelmadesomeanalysis.Themaincontentsofthispaper:thedescriptionandanalysisoftheresearchstatus,developmenttrendofharmonicgeardrivetechnology,introducestheprinciple,structureandcharacteristicofharmonicgeardrive,Flexsplineinharmonicgeardrivingdeformation;solidmodeloftheharmonicgeardrivebasedon3DmodelingsoftwarePROE,thefiniteelementcontactanalysisonthetoothcontactstressbetweenanalysis.Analysisofflexiblewheelinthestresssizeanddistribution.Becauseoftheflexsplinestressstrainoccursincontinuityofwavegeneratorundertheeffectofelasticdeformation,longtimeundertheactionofalternatingstress,thelifeofharmonicgeardrivetoalargeextentdependsonthestrengthoftheflexiblewheel.Inthearticleaboutsoftroundtheresearchmethodandconclusionofstressdistribution,toimprovetheservicelifeoftheharmonicgearhasimportantreferencesignificance.Keywords:Harmonicgeardrive,Flexiblegear,Finiteelementanalysis,Mechanicalproperties目录引言..........................................................................................................................................................5第一章绪论.........................................................................................................................................61.1谐波齿轮传动国内外发展现状..................................................................................61.1.1谐波齿轮传动国外发展现状..........................................................................61.1.2谐波齿轮传动国内发展现状..........................................................................61.2谐波齿轮传动研究趋势..................................................................................................71.3谐波齿轮传动应用.............................................................................................................81.4研究内容及意义..................................................................................................................91.4.1研究内容.....................................................................................................................91.4.2研究意义...................................................................................................................101.5本章小结.................................................................................................................................11第2章谐波齿轮传动原理及建模.......................................................错误!未定义书签。2.1谐波齿轮传动的组成........................................................................错误!未定义书签。2.2谐波齿轮传动装置传动的基本原理及特点.........................错误!未定义书签。2.2.1谐波齿轮传动装置传动的基本原理..........................错误!未定义书签。2.2.2谐波齿轮传动的特点...........................................................错误!未定义书签。2.3谐波齿轮设计.......................................................................................错误!未定义书签。2.3.1设计要求....................................................................................错误!未定义书签。2.3.2主要参数....................................................................................错误!未定义书签。2.4建立模型...................................................................................................错误!未定义书签。2.5本文的模型简化主要有以下几点:.............................................错误!未定义书签。2.6本章小结...................................................................................................错误!未定义书签。第三章有限元分析法的介绍..................................................................错误!未定义书签。3.1有限元分析基本理论........................................................................错误!未定义书签。3.1.1有限元法概述...........................................................................错误!未定义书签。3.1.2有限元法分析步骤................................................................错误!未定义书签。3.2谐波齿轮传动应力分析...................................................................错误!未定义书签。3.2.1建立有限元模型......................................................................错误!未定义书签。3.2.2实体模型简化...........................................................................错误!未定义书签。3.3本章小结..................................................................................................错误!未定义书签。第