ASTM D6891-2006a 评定IVA序列火花点火发动机中汽车发动机油的标准试验方法

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【英文标准名称】:StandardTestMethodforEvaluationofAutomotiveEngineOilsintheSequenceIVASpark-IgnitionEngine
【原文标准名称】:评定IVA序列火花点火发动机中汽车发动机油的标准试验方法
【标准号】:ASTMD6891-2006a
【标准状态】:现行
【国别】:
【发布日期】:2006
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D02.B0
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:汽车;发动机油;评定;顺序;火花点火;火花点火发动机;试验
【英文主题词】:camlobewear;crankcaseoils;lubricants;valve-trainwear
【摘要】:Thistestmethodwasdevelopedtoevaluateautomotivelubricant’effectoncontrollingcamlobewearforoverheadvalve-trainequippedengineswithslidingcamfollowers.Note18212;Thistestmethodmaybeusedforengineoilspecifications,suchasSpecificationD4485,API1509,SAEJ183,andILSCGF3.1.1Thistestmethodmeasurestheabilityofcrankcaseoiltocontrolcamshaftlobewearforspark-ignitionenginesequippedwithanoverheadvalve-trainandslidingcamfollowers.Thistestmethodisdesignedtosimulateextendedengineidlingvehicleoperation.TheSequenceIVATestMethodusesaNissanKA24Eengine.Theprimaryresultiscamshaftlobewear(measuredatsevenlocationsaroundeachofthetwelvelobes).Secondaryresultsincludecamlobenosewearandmeasurementofironwearmetalconcentrationintheusedengineoil.Otherdeterminationssuchasfueldilutionofcrankcaseoil,non-ferrouswearmetalconcentrations,andtotaloilconsumption,canbeusefulintheassessmentofthevalidityofthetestresults.1.2ThevaluesstatedineitherSIunitsorinotherunitsshallberegardedseparatelyasstandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SeeAnnexA5forspecificsafetyprecautions.
【中国标准分类号】:E34
【国际标准分类号】:75_100
【页数】:48P.;A4
【正文语种】: