DIN 32504 T.1-1979 焊接工作现场的透明屏蔽.电弧焊法.技术安全要求.检验和标记

上一篇: DIN 1912 T.5-1979 焊接.钎焊图样表示法.符号.尺寸
下一篇: DIN 32525 T.2-1979 用焊缝金属试样进行对焊条的检验；输入低热量测定化学成份的试样

【英文标准名称】:Testprocedureforthedeterminationofthetemperatureindexofenamelledwindingwires;Amendment2
【原文标准名称】:漆包绕组线的温度指数测定用试验规程.修改件2
【标准号】:IEC60172AMD2-2010
【标准状态】:现行
【国别】:国际
【发布日期】:2010-01
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/TC55
【标准类型】:()
【标准水平】:()
【中文主题词】:电线;电气工程;瓷漆的;漆包线;热存储;绝缘线;耐力;圆导线;温度;温度指数;温度稳定性;试验报告;试样;试验;试验电压;热试验;电压测量;绕组线;绕组;金属线
【英文主题词】:Coatings;Definitions;Electricwires;Electricalengineering;Enamelled;Enamelledwires;Flatwires;Hotstorage;Hotstoragetime;Insulatedwires;Resistance;Roundwires;Temperature;Temperatureindex;Temperaturestability;Testing;Testingvoltages;Thermaltesting;Voltagemeasurement;Windingwires;Windings;Wires
【摘要】:
【中国标准分类号】:K12
【国际标准分类号】:29_060_10
【页数】:12P;A4
【正文语种】:英语


【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