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索取图纸,PPT,下载之后可以联系QQ1074765680索取图纸,,翻译=文档翻译文档摘要介绍了国内现阶段曲轴机械加工及其强化工艺的现状,并对曲轴加工的未来进行了展望。在工作中,曲轴承受着弯曲、扭转、剪切和拉压等交变应力的作用,受力状态十分恶劣。曲轴本身结构复杂,其横截面沿轴线变化剧烈,应力分布极不均匀,加之受发动机体积所限,曲轴刚性较差。为保证曲轴的工作性能,对曲轴设计和加工均提出严格的要求。因此对曲轴加工技术的少许改进,都将能够极大的提高曲轴的使用寿命。本文在曲轴加工精度提高方面重点介绍了国内外先进的圆角滚压技术、钻质量中心孔技术、车拉技术曲轴磨削技术和CNC高速内外铣技术等。对这些先进工艺及技术进行论述,希望改进我国在曲轴生产方面落后设备还被大量应用,设备效率低下,精度不足,更不具备柔性化生产加工能力的现状,也希望对相关企业及技术人员能够起到重要的借鉴作用,以缩短我国与世界先进内燃机生产国的差距。关键词:曲轴,强化工艺,机械加工关键词TheCrankshaftProcessAnalysisAbstractThearticlethecurrentsituationofthemachineconsolidationofslidershaftincontemporaryphaseathomeandabroad,andenvisionthefutureofshaftproceessing.Duringtheoperationitwithstandsthereversalstressandjoinforcesfrombending,reversing,shearing,andcompressinginadverseenvironment.SlidershaftiscomplicatedlystructuredanditscrosssectiontaodeplacesodrasticchangesalongtheStemlinethattheallowablestrssisunequllydistrbuted.what’smost.enginevolumeisVerylimitet,allofwhichleadtopoorhardnessandrigidity.ToguaranteeitsworkingpPerformance,strictrequirmentsareplacedonthedesigningandmanufacturingSoalittleimprovementofmachiningtechniqueswilldramaticallyraiseitsdurability.Astoimprovingitsprocessingaccuracy,thisthesisemphasizesontheadvancdforeignanddomestictechnologysuchascircularanglerolling,quality-centeredholepunching,machingandstrtching,shaftgrindingandmilling,andCNC-motivatedhigh-speedmillingets.Thoughtheabovstatementanddemonstration,it’sexpectedthatourstatusquocanbechangethatbackwarddeviceisstillwidlyusedwithlowwokingeffciencyandinaccuracy,andlackofproducingandprocessingflexibility.Besidesthis,importantexperrienceandlesonscanbedrawnbycorrespondententerprsesandprofessionalstoshortenthedistansbetweenadvanedengineproducersandourcountry.Keywords:Crankshaft;StrengtheningProcesses;Mechanicalprocessing1目录1绪论.........................................................................................................................232曲轴加工工艺过程简述.........................................................................................243国内外曲轴