ASTM D4863-2010 二冲程循环汽油发动机润滑剂润滑性能测定的标准试验方法

作者:标准资料网 时间:2024-05-11 23:54:18  浏览:8523   来源:标准资料网

【英文标准名称】:StandardTestMethodforDeterminationofLubricityofTwo-Stroke-CycleGasolineEngineLubricants
【原文标准名称】:二冲程循环汽油发动机润滑剂润滑性能测定的标准试验方法
【标准号】:ASTMD4863-2010
【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.B0.06
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:Air-cooledgasolineengines;Combustionchamber;Dynamometertesting;Heatingtests--petroleumproducts;Instrumentalmeasurement--petroleumproducts;Lubricants(fluid);Lubricatingoils;Lubricity/lubricatingproperties;Performance--petroleumproducts/
【摘要】:Theoilinatwo-stroke-cyclegasolineengineiseithermixedwiththefuelpriortouseorismeteredintothefuelsupplyat,oratsomepointpriorto,itspassageintotheenginecrankcase.Thepossibilityoftheamountofoilactuallypresentintheenginebeinglessthanoptimumalwaysexists.Also,withsomeoilmeteringsystemsshortperiodsofoperationwithlessoilthandesirablecanoccurwhenthepowerisincreasedsuddenly.Ithasalsobeenfoundthattheincidenceofpistonscuffearlyinthelifeoftheenginemayberelatedtothelubricityoftheoilusedasdefinedbytestproceduresofthistype.1.1Thistestmethodevaluatestheabilityoflubricantstominimizepistonandborescuffingintwo-stroke-cyclespark-ignitiongasolineengines.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E34
【国际标准分类号】:75_100
【页数】:9P.;A4
【正文语种】:英语