【英文标准名称】:StandardTestMethodforEvaluationofEngineOilsforRollerFollowerWearinLight-DutyDieselEngine
【原文标准名称】:轻型柴油机中滚轮从动杆防磨用机油的评估的标准试验方法
【标准号】:ASTMD5966-2010
【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.B0.02
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:calibrate;dieselengine;engineoil;light-duty;light-dutyengine;lubricant;referenceoil;rollerfollowershaftwear;usedoilwear;APICG-4performancecategory;Calibration--petroleumanalysisinstrumentation;Diesellubricatingoils;Lightdutye
【摘要】:Thistestmethodisusedtodeterminetheabilityofanenginecrankcaseoiltocontrolwearthatcandevelopinthefieldunderlowtomoderateenginespeedsandheavyengineloads.Side-by-sidecomparisonsoftwoormoreoilsindeliveryvanfleetswereusedtodemonstratethefieldperformanceofvariousoils.Thespecificoperatingconditionsofthistestmethodweredevelopedtoprovidecorrelationwiththefieldperformanceoftheseoils.Thistestmethod,alongwithothertestmethods,definestheminimumperformanceleveloftheCategoryAPICG-4forheavydutydieselenginelubricants.PassinglimitsforthiscategoryareincludedinSpecificationD4485.Thedesignoftheengineusedinthistestmethodisnotrepresentativeofallmoderndieselengines.Thisfactor,alongwiththespecificoperatingconditionsusedtoacceleratewear,shallbeconsideredwhenextrapolatingtestresults.1.1ThisenginelubricanttestmethodiscommonlyreferredtoastheRollerFollowerWearTest.Itsprimaryresult,rollerfollowershaftwearinthehydraulicvalvelifterassembly,hasbeencorrelatedwithvehiclesusedinstop-and-godeliveryservicepriorto1993.ItisoneofthetestmethodsrequiredtoevaluatelubricantsintendedtosatisfytheAPICG-4performancecategory.Thistesthasalsobeenreferredtoasthe6.2LTest.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.2.1Exceptions8212;WherethereisnodirectSIequivalent,suchaspipefittings,thermocouplediameters,andNPTscrewthreads.Also,rollerfollowerwearismeasuredinmils.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E34
【国际标准分类号】:75_100
【页数】:19P.;A4
【正文语种】:英语