淘豆网
下载此文档放大查看缩小查看   1/17
0/100
您的浏览器不支持进度条
更多>>该用户其他文档
下载所得到的文件列表
QCT27-2004标准(英文版).doc
文档介绍:
QC/T27-2004PrefaceThisstandardisrevisedversionofQC/T27-1992.Sincethedateofimplementation,QC/T27-1992willbesubstitutedwiththisstandard.ThemajordifferencesbetweenthisstandardandQC/T27-1992isasfollows:--Itadjuststherequirementsontheslidingfrictiontorqueandheatloadoftheclutch;--Itaddstherequirementsontheslidingfrictioncoefficientandrequirementsonlidassemblystaticreleasedurability.mitteeofChina.mittee.paniescontributingthedraftsofthisstandard:ChangchunAutoResearchInstitute,ShanghaiClutchGeneralFactory(ponentsSystemsCo.,Ltd.),NanjingValeoClutchCo.,Ltd.),ChangchunYidongClutchCo.,Ltd.,HuangshiAutoClutchCo.,Ltd.ofSanhuanGroupThemajordraftsmenofthisstandard:YanShidong,ChenXiang,YuanNianshi,SongShundong,andYuanHongquan.QC/T27-2004TheStandTestMethodofVehicleDryFrictionClutchAssembly1ScopeThisstandardstipulatesthestandtestmethodofthevehicledryfrictionclutchassembly(includinglidassemblyanddrivenplateassembly,abbreviatedasclutchinthefollowing).Thisstandardappliestovehicledryfrictionclutch.2.QuotedStandardsThecontentsinthefollowingstandardsarereferredtoconstitutethetermsofthisstandard.Forallthequotationwithdates,thefollowingrevisionforms(notincludingamendment)ortherevisionversionsarenotapplicabletothisstandard.However,ordingtothisstandardareencouragedtoexplorethepossibilityofusingthelatestversionofthisstandard.Forthequotationwithnodatesnoted,thelatestversionsareapplicabletothisstandard.QC/T25-2004Thetechnicalconditionsofvehicledryfrictionclutchassembly3.TermsandDefinitionsThefollowingtermsanddefinitionsapplytothisstandard.3.1ClamploadcharacteristicDuringtheloadandunloadofthepressureplate,thecurvesreflectingtherelationbetweentheloadFonthepressureplateandpressureplatedisplacementλisasFig1.b)Diaphragmspringclutchlidassemblya)SpiralspringclutchlidassemblyWorkpositionafterwearworkpositionWorkpositionafterwearworkpositionWearamountWearamount 3.2PositionatnominaldiskthicknessDuringassembling,thepressureplatepositionrelatednominalthicknessofthedrivenplateassembly3.3ClamploadatnominaldiscthicknessDuringassembling,theclampforceappliedbythepressureplateonthepositionatnominaldiscthickness.SeeFig1isworkclampforce,isaverageworkclampforce,isunloadworkclampforce,andtheformulaisQC/T27-20043.4PositionafterwearDuringassembling,thediskpositiononwhichthedrivenplatehastheallowablethickness3.5ClamploadafterwearDuringassembling,theclamploadbythedrivenplatewhenpressureplateisonthepositionafterwear.SeeFig1istheworkclamploadafterwear,istheaverageworkclamploadafterwear,istheworkpressureloadafterwear,andtheformulais3.6ReleaseloadcharacteristicReplacethedrivenplateassemblywithablockhavingthesamedrivenplateassemblyclampnominalthickness(orallowableafterwearthickness)andmaketheclutchlidassemblyinthesituationofassemblysimulation.Underacertainpreload,releaseandconnecttheclutch.Theloadonthereleasefinger(rod)andpressureplatedisplacementh,andthereleasefinger(rod)endtravel,theirrelationisasFig2.ispressureplatelift,ispressureplateparal 内容来自淘豆网www.taodocs.com转载请标明出处.
更多>>相关文档
文档信息
最近更新
文档标签