DIN ISO 281 Bb.3-2009 旋转轴承.动力荷载值和额定寿命.附录3:密闭工业齿轮装置中旋转轴承污染物因素各自污染等级的估计,DINISO281英文版本.附录3:2009-07
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【英文标准名称】:Rollingbearings-Dynamicloadratingsandratinglife-Supplement3:Estimatingofthecontaminationfactorrespectivelythecontaminationlevelforrollingbearingsinclosedindustrialgearunits;EnglishversionofDINISO281Supplement3:2009-07
【原文标准名称】:旋转轴承.动力荷载值和额定寿命.附录3:密闭工业齿轮装置中旋转轴承污染物因素各自污染等级的估计,DINISO281英文版本.附录3:2009-07
【标准号】:DINISO281Bb.3-2009
【标准状态】:现行
【国别】:德国
【发布日期】:2009-07
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:轴向止推轴承;滚珠轴承;轴承;清洁(度);污染;动力荷载;杂质;寿命;荷载能力;额定负荷;负荷;数学计算;计算方法;;径向轴承;评定;额定值;滚子轴承;滚柱轴承;滚动轴承;符号;止推轴承
【英文主题词】:Axial-thrustbearings;Ballbearings;Bearings;Cleanliness;Contamination;Dynamicloading;Impurities;Life(durability);Loadcapacity;Loadratings;Loading;Mathematicalcalculations;Methodsofcalculation;Preventionofpollution;Radialbearings;Ratings;Rollerbearings;Rollingbearings;Symbols;Thrustbearings
【摘要】:Thissupplementappliesforrollingbearingsinoil-lubricatedclosedindustrialgearunits.Itdoesnotcontainanystandardizedspecifications;instead,itdescribesinformatively,usingexamples,how,inthemodifiedratinglifecalculationforrollingbearingsaccordingtoDINISO281,thelevelofcontaminationofthelubricationor,inthemodifiedreferencelifecalculationaccordingtoISO/TS16281,thepurityclassoftheoilcaneachbeestimatedasafunctionofmeasurestokeepthegearunitsclean.ThedegreeofcontaminationshouldbeappliedinconnectionwiththeprocedureforthecalculationofthemodifiedratinglifeLnmspecifiedinDINISO281accordingtoTable13.TheoilpurityclassshouldbeusedinconnectionwiththeprocedureforthecalculationofthemodifiedreferenceworkinglifeLnmspecifiedinISOFFS16281inaccordancewithDINISO281,FiguresA.1toA.9.Thefollowingaspectsaretobetakenintoconsideration:--Cleanlinessoftheinteriorofthegearunitandtheinternalcomponentsaftergearassembly;--Cleanlinessofthelubricantcirculationsystem;--Cleanlinessofthegearoiloninitialfillingandalllaterfillings;--Screeningoftheinteriorofthegearunit,thebearingsandthelubricantcirculationsystemtopreventpenetrationbycontaminants;--Removaloffrictionparticlesfromtheoilduringthegearrunning-inphaseandlateroperationthroughoilfiltering,particleseparatorsand/orregularoilchangesoroilcleaning.Themoreeffortismade,fromdesignthroughassembly,trialruns,installation,commissioning,running-inphaseandoperationtomaintenanceandrepair,tokeepthegearunitfreefromcontaminants,thelongerthelifeoftherollingbearingscanbeexpectedtobe.Inparticular,itisrecommendedthat,ifthegearunitisusedinsurroundingswithahighlycontaminatingeffect,thebearingpointsoftheconnectionshaftsareprotectedbyspecialdesignmeasuresagainstthepenetrationofdirtparticles.Forfurthermeasures,seeClause8.
【中国标准分类号】:J11
【国际标准分类号】:21_100_20
【页数】:12P.;A4
【正文语种】:英语
【原文标准名称】:旋转轴承.动力荷载值和额定寿命.附录3:密闭工业齿轮装置中旋转轴承污染物因素各自污染等级的估计,DINISO281英文版本.附录3:2009-07
【标准号】:DINISO281Bb.3-2009
【标准状态】:现行
【国别】:德国
【发布日期】:2009-07
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:轴向止推轴承;滚珠轴承;轴承;清洁(度);污染;动力荷载;杂质;寿命;荷载能力;额定负荷;负荷;数学计算;计算方法;;径向轴承;评定;额定值;滚子轴承;滚柱轴承;滚动轴承;符号;止推轴承
【英文主题词】:Axial-thrustbearings;Ballbearings;Bearings;Cleanliness;Contamination;Dynamicloading;Impurities;Life(durability);Loadcapacity;Loadratings;Loading;Mathematicalcalculations;Methodsofcalculation;Preventionofpollution;Radialbearings;Ratings;Rollerbearings;Rollingbearings;Symbols;Thrustbearings
【摘要】:Thissupplementappliesforrollingbearingsinoil-lubricatedclosedindustrialgearunits.Itdoesnotcontainanystandardizedspecifications;instead,itdescribesinformatively,usingexamples,how,inthemodifiedratinglifecalculationforrollingbearingsaccordingtoDINISO281,thelevelofcontaminationofthelubricationor,inthemodifiedreferencelifecalculationaccordingtoISO/TS16281,thepurityclassoftheoilcaneachbeestimatedasafunctionofmeasurestokeepthegearunitsclean.ThedegreeofcontaminationshouldbeappliedinconnectionwiththeprocedureforthecalculationofthemodifiedratinglifeLnmspecifiedinDINISO281accordingtoTable13.TheoilpurityclassshouldbeusedinconnectionwiththeprocedureforthecalculationofthemodifiedreferenceworkinglifeLnmspecifiedinISOFFS16281inaccordancewithDINISO281,FiguresA.1toA.9.Thefollowingaspectsaretobetakenintoconsideration:--Cleanlinessoftheinteriorofthegearunitandtheinternalcomponentsaftergearassembly;--Cleanlinessofthelubricantcirculationsystem;--Cleanlinessofthegearoiloninitialfillingandalllaterfillings;--Screeningoftheinteriorofthegearunit,thebearingsandthelubricantcirculationsystemtopreventpenetrationbycontaminants;--Removaloffrictionparticlesfromtheoilduringthegearrunning-inphaseandlateroperationthroughoilfiltering,particleseparatorsand/orregularoilchangesoroilcleaning.Themoreeffortismade,fromdesignthroughassembly,trialruns,installation,commissioning,running-inphaseandoperationtomaintenanceandrepair,tokeepthegearunitfreefromcontaminants,thelongerthelifeoftherollingbearingscanbeexpectedtobe.Inparticular,itisrecommendedthat,ifthegearunitisusedinsurroundingswithahighlycontaminatingeffect,thebearingpointsoftheconnectionshaftsareprotectedbyspecialdesignmeasuresagainstthepenetrationofdirtparticles.Forfurthermeasures,seeClause8.
【中国标准分类号】:J11
【国际标准分类号】:21_100_20
【页数】:12P.;A4
【正文语种】:英语
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