中国汽车技术论坛(qichejishu)_离合器知识-离合器系统及盖总成

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1、离合器知识Jun.2005ValeoConfidential1离合器知识-离合器系统车轮车轮车轮ValeoConfidential2离合器知识-离合器系统ValeoConfidential3离合器知识-离合器系统ValeoConfidential4离合器知识-离合器系统ValeoConfidential5离合器知识-离合器系统ValeoConfidential6离合器知识-离合器系统ValeoConfidential7离合器知识-离合器功能Connectanddisconnectenginetogearbox使发动机

2、和变速箱接合和分离Transmittheenginetorque传递发动机扭矩Heatabsorptionduringclutchingoperation在离合器接合过程中吸收热量Smoothengagement平稳接合Filterthetorquefluctuationandshocks削减的扭矩波动和冲击Drivelinefuse防止传动系过载ValeoConfidential8离合器知识-离合器功能Connectanddisconnectenginetogearbox使发动机和变速箱接合和分离Disconnec

3、tto:分离时:Launchtheengine起动发动机Preventtheshutdownofengine防止发动机熄火Changeofgear换档Connectto接合:Startthevehicle车辆起步Transmitthetorque传递扭矩Insureasmoothengagement确保平稳接合ValeoConfidential9离合器知识-离合器功能Transmittheenginetorque传递发动机扭矩Principle:Theenginetorquemustbetotallytransmit

4、ted.Noslippageisallowed.规则：发动机扭矩必须全部传递，避免打滑Slippagefastdestructionofclutch打滑离合器迅速损坏ValeoConfidential10离合器知识-离合器功能Transmittheenginetorque传递发动机扭矩60Nm1300NmValeoConfidential11离合器知识-离合器功能Transmittheenginetorque传递发动机扭矩Theclamploadistheforceduetothediaphragminengaged

5、position夹紧载荷是指膜片弹簧处于结合位置的力Itdependson它取决于：•thediaphragmthickness膜片弹簧厚度•thediaphragmangle膜片弹簧角度•thefulcrumdiameters支点直径Range范围:2500-20000NValeoConfidential12离合器知识-离合器功能Transmittheenginetorque传递发动机扭矩T=nµRPcmT:ClutchTorque离合器传递扭矩cn:Numberoffrictionsurface摩擦面数目µ:Fr

6、ictioncoefficient摩擦系数压紧载P:Clampload荷R:Meanradius作用半径mValeoConfidential13离合器知识-离合器功能Heatabsorptionduringclutchingoperation工作状况下的热量吸收Duringaclutchoperation,thefrictionenergyisdissipatedintheclutchasheat.离合器工作时，摩擦能会转化为热能被离合器吸收Thedissipationofheatdependsof:热量的散发主要取

7、决于:thepressureplatemass压盘质量theflywheel飞轮thecoolingpropertiesofthehousing离合器壳的冷却性能ValeoConfidential14离合器知识-离合器功能Heatabsorptionduringclutchingoperation工作状况下的热量吸收Estimationofstartupenergy起步时热能估算21R2CeE=MV212dρC−Mg()f+sinαRedValeoConfidential15离合器知识-离合器功能Smoothenga

8、gement平稳接合Duringstartuporgearshift,the在起步或换档时,clutchoperationmustnotgenerate:离合器的工作不能产生:vibration(judder)急剧抖动Noise噪音Shock冲击ValeoConfidential16离合器知识-离合器功能Filterthetorquefluct