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20095345LUBRICATIONENGINEERINGMay2009Vol34No5:2008-11-11:,,:(1965),,,,E-mai:llms32389823@sohucom(510700):,:;;;:TE62639:A:0254-0150(2009)5-094-5HowtoChooseBaseOilsinMetalworkingFluidsLiuChangqiLiMaosheng(GuangzhouMechanicalEngineeringResearchInstitute,GuangzhouGuangdong510700,China)Abstract:Thechemicalcharacterizationandphysico-chemicalpropertiesofbaseoilweredescribed.Howtochoosebaseoilsinmetalworkingfluidswassuggested.Keywords:metalworkingfluids;baseoi;lchemicalcharacterization;physico-chemicalproperties,,,,,,,,,,,,,,,,,,,,30~50t/,15%~20%,,,,,,,,,(),,,,,,,,,,,,,1,,,;,,,70%~95%,30%~85%,50%80%~90%,,,,,,,,,11基础油的分类,,[1]API()ATIEL()[2],11APITable1ClassificationofbaseoilforAPI/%/%0039080~1200039080~12000390120-(PAO)~1)1):,API,,,,V,,,,,,,,,,1t/,,,12基础油的组成结构性能和作用,,,,,121化学特性表征:(1)-080,100,090(ASTM2501-91)(2),,,,,,,,(3)3(CA)(CN)(CP)(0-)1-2-3-4-5-,7:,9520095:2(),,22Table2Thecharacteristicsofnon-polarandpolarcomponentsofbaseoil,122性能和作用3,,,,,,50%,40%,50%,,,,,;,,,,,,,,(),,;,,,1~33Fig3Therelationofmove-mentviscosityandsur-facetensionformed-ium-highviscositybaseoil,,,1,,,,;23,,,,,31mN/m[3]2,,,,,9634,,,21金属加工过程的润滑特性,,,,,,,,,,,,,,,,,,,,,,,,,,22基础油的合理选择,,,,,,,,,,,,,,,,,221金属成形润滑油基础油的选择,,,,,,,(),,,,()(),,,,,,(),V222金属切削油基础油的选择,,,,,,;,,,,,,,,,,,,,,,9720095:223乳化液微乳液基础油的选择30%~85%,09g/cm3,,,60%~70%,,WEP2,WEP-32,,(40:5~15mm2/s)(40:30~56mm2/s),,[4],,,,,,,,,,,,,,,,,,,;,;,;,3,,,,,1,,.[M].:,1995.2.[M].:,2002.3GDHobson.ModernPetroleumTechnology[M].Part,5thEdition.NewYork:JohnWiley&SonsCorporation,1984.4,,.[J].,2001(1):51-54.LiMaosheng,JiangGanxiang,XuLishu.PreparationandApplicationofaHighPerformanceExtremePressureSem-isyn-theticCuttingFluid[J].LubricationEngineering,2001(1):51-54.(上接第81页)3,,.K[J].,2005,25(6):55-58.LiuJingming,HanLichuan,HouLiwen.ClusterAnalysisBasedonParticleSwarmOptmiizationAlgorithm[J].Sys-temsEngineering-Theory&Practice,2005,25(6):55-58.4,,,.FuzzyC-means[J].:,2005,35(1):69-70.SONGXiangfa,LIShengwe,iCHENGuoqiang,eta.lTex-tureSegmentationBasedonModifiedFuzzyC-meansClusteringAlgorithm[J].JournalofHenanUniversity:NaturalSc-ience,2005,35(1):69-70.5.[D].:,2005.6,,.[J].,2006,42(28):54-55.LONGHaixia,XUWenbo,SUNJun.ImageSegmentationbyQuantum-BehavedParticleSwarmOptmiizationAlgorithms[J].ComputerEngineeringandApplications,2006,42(28):54-55.7SunJ,FengB,XuWB.Particleswarmoptmiizationwithparticleshavingquantumbehavior[C].Proceedingsof2004CongressonEvolutionaryComputation,2004:325-331.9834