ASTM D7484-2010a CumminsISB中型柴油机中的气阀机构磨损性能用汽车发动机机油评估的标准试验方法

作者:标准资料网 时间:2024-05-21 15:46:01  浏览:9380   来源:标准资料网

【英文标准名称】:StandardTestMethodforEvaluationofAutomotiveEngineOilsforValve-TrainWearPerformanceinCumminsISBMedium-DutyDieselEngine
【原文标准名称】:CumminsISB中型柴油机中的气阀机构磨损性能用汽车发动机机油评估的标准试验方法
【标准号】:ASTMD7484-2010a
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:
【英文主题词】:dieselengineoil;heavy-dutyengineoil;ISBmedium-dutydieselengine;lubricants;valve-trainwear;Automotiveenginefuels/oils;Dieselenginefueloils;Dieselengines;Lubricants;Valve-trainwear
【摘要】:Thistestmethodwasdevelopedtoassesstheperformanceofaheavy-dutyengineoilincontrollingenginewearunderoperatingconditionsselectedtoacceleratesootproductionandvalve-trainwearinaturbochargedandaftercooledfour-cycledieselenginewithslidingtappetfollowersequippedwithexhaustgasrecirculationhardware.Thedesignoftheengineusedinthistestmethodisrepresentativeofmany,butnotall,moderndieselengines.Thisfactor,alongwiththeacceleratedoperatingconditions,shallbeconsideredwhenextrapolatingtestresults.1.1Thistestmethod,commonlyreferredtoastheCumminsISBTest,coverstheutilizationofamodern,5.9L,dieselengineequippedwithexhaustgasrecirculationandisusedtoevaluateoilperformancewithregardtovalve-trainwear.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.2.1Exceptions8212;SIunitsareprovidedforallparametersexceptwherethereisnodirectequivalentsuchastheunitsforscrewthreads,NationalPipeThreads/diameters,tubingsize,orwherethereisasolesourceofsupplyequipmentspecification.1.2.2SeealsoA8.1forclarification;itdoesnotsupersede1.2and1.2.1.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SeeAnnexA1forgeneralsafetyprecautions.
【中国标准分类号】:E34
【国际标准分类号】:75_100
【页数】:24P.;A4
【正文语种】:英语