【英文标准名称】:StandardTestMethodforEvaluationofEngineOilsinDieselFour-StrokeCycleSupercharged1M-PCSingleCylinderOilTestEngine
【原文标准名称】:评价柴油四冲程循环增压式1M-PC单缸油试验发动机中发动机油的标准试验方法
【标准号】:ASTMD6618-2005
【标准状态】:现行
【国别】:
【发布日期】:2005
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:D02.B0.02
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:循环;发动机油;工业用油;润滑剂;润滑油;单;冲程;试验方法;试验
【英文主题词】:dieselengines;heavy-dutyperformance;1M-PC;ringbeltdeposits;singlecylindertest;
【摘要】:Thetestmethodisdesignedtorelatetohigh-speed,superchargeddieselengineoperationand,inparticular,tothedepositcontrolcharacteristicsandantiwearpropertiesofdieselcrankcaselubricatingoils.Thetestmethodisusefulfortheevaluationofdieselengineoilqualityandcrankcaseoilspecificationacceptance.Thistestmethod,alongwithothers,definestheminimumperformanceleveloftheAPIcategoriesCFandCF-2(detailedinformationaboutpassinglimitsforthesecategoriesisincludedinSpecificationD4485).ItisalsousedinMIL-PRF-2104.Theresultsaresignificantonlywhenalldetailsoftheprocedurearefollowed.Thebasicengineusedinthistestmethodhasaprecombustionchamber(ascomparedtodirectinjection)andismostusefulinpredictingperformanceofenginessimilarlyequipped.Thisfactorshouldbeconsideredwhenextrapolatingtestresults.Ithasbeenfoundusefulinpredictingresultswithhighsulfurfuels(thatis,greaterthan0.5wt%)andwithcertainpreemissioncontrolledengines.Ithasalsobeenfoundusefulwhencorrelatedwithdepositcontrolintwo-strokecycledieselengines.1.1Thistestmethodcoversafour-strokecycledieselenginetestprocedureforevaluatingengineoilsforcertainhigh-temperatureperformancecharacteristics,particularlyringsticking,ringandcylinderwear,andaccumulationofpistondeposits.SuchoilsincludebothsingleviscositySAEgradeandmultiviscositySAEgradeoilsusedindieselengines.Itiscommonlyknownasthe1M-PCtest(PCforPre-Chamber)andisusedinseveralAPIoilcategories,notablytheCFandCF-2andthemilitarycategorydescribedinMIL-PRF-2104(seeNote0).Note0CompaniontestmethodsusedtoevaluateotherengineoilperformancecharacteristicsforAPIoilcategoriesCFandCF-2arediscussedinSAEJ304.ThecompaniontestsusedbythemilitarycanbefoundinMIL-PRF-2104.1.2ThevaluesstatedineitherSIunitsorotherunitsaretoberegardedseparatelyasthestandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother,withoutcombiningvaluesinanyway.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.1.3Thistestmethodisarrangedasfollows:
【中国标准分类号】:E34
【国际标准分类号】:75_100
【页数】:54P.;A4
【正文语种】:


Product Code:SAE AMS4050
Title:Aluminum Alloy, Plate 6.2zn 2.3cu 2.2mg 0.12zr (7050-T7451) Solution Heat Treated, Stress Relieved, and Overaged
Issuing Committee:Ams D Nonferrous Alloys Committee
Scope:This specification covers an aluminum alloy in the form of plate.