ANSI/ASTM D6891a-2006 评估顺序IVA火花点火式发动机中汽车发动机油的试验方法

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【英文标准名称】:TestMethodforEvaluationofAutomotiveEngineOilsintheSequenceIVASpark-IgnitionEngine
【原文标准名称】:评估顺序IVA火花点火式发动机中汽车发动机油的试验方法
【标准号】:ANSI/ASTMD6891a-2006
【标准状态】:作废
【国别】:美国
【发布日期】:2006
【实施或试行日期】:2006-11-21
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:汽车;发动机油;评估;顺序;火花点火;火花点火发动机;试验
【英文主题词】:Automobiles;Engineoils;Evaluation;Sequences;Sparkignitions;Spark-ignitionengines;Testing
【摘要】:Thistestmethodmeasurestheabilityofcrankcaseoiltocontrolcamshaftlobewearforspark-ignitionenginesequippedwithanoverheadvalve-trainandslidingcamfollowers.Thistestmethodisdesignedtosimulateextendedengineidlingvehicleoperation.TheSequenceIVATestMethodusesaNissanKA24Eengine.Theprimaryresultiscamshaftlobewear(measuredatsevenlocationsaroundeachofthetwelvelobes).Secondaryresultsincludecamlobenosewearandmeasurementofironwearmetalconcentrationintheusedengineoil.Otherdeterminationssuchasfueldilutionofcrankcaseoil,non-ferrouswearmetalconcentrations,andtotaloilconsumption,canbeusefulintheassessmentofthevalidityofthetestresults.ThevaluesstatedineitherSIunitsorinotherunitsshallberegardedseparatelyasstandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SeeAnnexA5forspecificsafetyprecautions.
【中国标准分类号】:E34
【国际标准分类号】:75_100
【页数】:
【正文语种】:英语