曲轴扭转减振器项目介绍

简介简介曲轴扭转减震器项目介绍PulleyAsm-damper-CrankshaftIntroduction轮系轮系Pulley&DamperPulley&Damper•扭转减振器TorsionalVibrationDamper(TVD)•转向泵轮、水泵轮、压缩机带轮AttachmentPulley•惰轮、张紧轮Tensioner&IdlePulley技术能力Tuopu2006-11IntroductionforTuopuR&D--TVDTheFunctionofTVDTheFunctionofTVD扭转减振器功能TheFunctionofTVD•消减曲轴扭转振动，提高曲轴的疲劳寿命，减少应力水平Toisolatetorsionalvibrationofcrankshaftandimprovefatigueresistanceandreducingtheinnerstress•传递扭矩，衰减扭矩波动Totransmittorque,reducetorquewave•减少整车的振动、噪音ToimproveNVHperformance技术能力Tuopu2006-11IntroductionforTuopuR&D--TVDTVDTypeTVDType•单模态(Singletorsionmode)•双模态（Doubletorsionmode)•双模态（Torsionandbendingmode)•硅油减振器&橡胶硅油减振器SiliconeDamperandRubber&SiliconeDamper•Filledwithsilicone曲轴扭转减振器开发流程FlowofTVDDevelopment•子系统规范Inputoftechnicalspecificationofsubsystem•子系统设计参数Inputofsubsystemparameter•子系统分析及优化SubsystemanalysisandOptimization•零件结构设计和分析ComponentstructuredesignandFEA•橡胶配方设计Designofrubberrecipe•零件测试验证TestvalidationforComponent•子系统测试验证TorsionalVibrationandNoiseTest•生产控制Productcontrolandqualitycontrol•SORandSSTS•Designresponsibility•Productrequirements•Timing•Designdata•曲轴＋飞轮＋活塞连杆机构数模Getcrankshaftsubsystemmathdata•CAE分析获得曲轴系的扭转模态和弯曲模态gettorsionalandbendingmodefrequencyofcrankshaftsubsystem•实测曲轴系的扭转和弯曲模态Testtorsionalandbendingmodeofcrankshaftsubsystem.•气缸压力曲线Inputcylinderpressuredataatfullloadandzeroload•获得发动机的点火时序Determinefireorder024681012140100200300400500600700CrankAngle(Degree)Pressure(MPa)1000RPM1500RPM2000RPM2500RPM3500RPM4500RPM•Inputoftorquecurveatfullloadandzeroload•计算轴系的模态频率CalculationandanalysiscrankshaftmodefrequencywithoutTVD[deg]EngineSpeed[rpm]Angulardisplacementofcrankshaftw/oTVD•曲轴扭振分析•扭转减振器参数设计优化•惯量比Inertialratio•固有频率Naturalfrequency•阻尼Damping•曲轴扭振分析（匹配扭转减振器）•AnalysisvibrationofcrankshaftwithTVDatloadcase•扭转减振器设计参数输出系统计算输出：惯量、固有频率、扭转刚度、阻尼Initialdesignstructurebaseonsubsystemcalculation(inertia、torsionalstiffness、naturalfrequency、damping)•周边空间要求Baseonpackagerequirements•零件结构类型（单或双自由度）Determinepulleystructuredualorsimplemodebaseonsubsystemanalysis.•系统计算输出：惯量、刚度、固有频率、阻尼Initialdesignstructurebaseonsubsystemcalculation(inertia、torsionalstiffness、naturalfrequency、damping)•模态分析•应力分析•Stressat2timesmaxspeed•Stressat2timesmaxtorque•UniaxialTensionTest•PlanarTensionTest•BiaxialTensionTest•StressRelaxationTest•FittingTestData•Uniaxial