BS EN 2837-2012 航空航天系列.氯丁二烯橡胶(CR).耐热性.硬度60IRHD
时间:2024-05-25 22:34:59 来源: 标准资料网 作者：标准资料网 阅读：8990
【英文标准名称】:Aerospaceseries.Chloroprenerubber(CR).Heatresistance.Hardness60IRHD
【原文标准名称】:航空航天系列.氯丁二烯橡胶(CR).耐热性.硬度60IRHD
【标准号】:BSEN2837-2012
【标准状态】:现行
【国别】:英国
【发布日期】:2012-04-30
【实施或试行日期】:2012-04-30
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:航空航天运输;航空运输;氯丁二烯;氯丁橡胶;弹性体;硬度;非金属的;塑料;特性;航天运输;热稳定性
【英文主题词】:Aerospacetransport;Airtransport;Chloroprene;Chloroprenerubber;Elastomers;Hardness;Nonmetallic;Plastics;Properties;Spacetransport;Thermalstability
【摘要】:
【中国标准分类号】:V13
【国际标准分类号】:49_025_40
【页数】:12P;A4
【正文语种】:英语
【英文标准名称】:Rollingbearings-Dynamicloadratingsandratinglife(ISO281:2007)
【原文标准名称】:滚动轴承.额定动载荷和额定寿命(ISO281-2007)
【标准号】:DINISO281-2009
【标准状态】:作废
【国别】:德国
【发布日期】:2009-01
【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;定义;动力荷载;寿命;荷载能力;额定负荷;负荷;数学计算;计算方法;径向轴承;额定值;滚柱轴承;滚动轴承;符号;止推轴承
【英文主题词】:Axial-thrustbearings;Ballbearings;Bearings;Definitions;Dynamicloading;Life(durability);Loadcapacity;Loadratings;Loading;Mathematicalcalculations;Methodsofcalculation;Radialbearings;Ratings;Rollerbearings;Rollingbearings;Symbols;Thrustbearings
【摘要】:ThisInternationalStandardspecifiesmethodsofcalculatingthebasicdynamicloadratingofrollingbearingswithinthesizerangesshownintherelevantISOpublications,manufacturedfromcontemporary,commonlyused,highqualityhardenedbearingsteel,inaccordancewithgoodmanufacturingpracticeandbasicallyofconventionaldesignasregardstheshapeofrollingcontactsurfaces.Thisdocumentalsospecifiesmethodsofcalculatingthebasicratinglife,whichisthelifeassociatedwith90%reliability,withcommonlyusedhighqualitymaterial,goodmanufacturingqualityandwithconventionaloperatingconditions.Inaddition,itspecifiesmethodsofcalculatingthemodifiedratinglife,inwhichvariousreliabilities,lubricationcondition,contaminatedlubricantandfatigueloadofthebearingaretakenintoaccount.ThisInternationalStandarddoesnotcovertheinfluenceofwear,corrosionandelectricalerosiononbearinglife.Thisdocumentisnotapplicabletodesignswheretherollingelementsoperatedirectlyonashaftorhousingsurface,unlessthatsurfaceisequivalentinallrespectstothebearingring(orwasher)racewayitreplaces.Double-rowradialbearingsanddouble-directionthrustbearingsare,whenreferredtointhisdocument,presumedtobesymmetrical.Furtherlimitationsconcerningparticulartypesofbearingsareincludedintherelevantclauses.
【中国标准分类号】:J11
【国际标准分类号】:21_100_20
【页数】:55P.;A4
【正文语种】:德语
【英文标准名称】:Railwayapplications-Mountingofelectronicequipment
【原文标准名称】:铁路应用.电子设备安装
【标准号】:BSEN50261-1999
【标准状态】:作废
【国别】:英国
【发布日期】:1999-06-15
【实施或试行日期】:1999-06-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:支架;固定;组装;尺寸;电子设备及元件;尺寸公差;铁路设备;装配;铁路用;铁路车辆零部件;深度;高度;位置
【英文主题词】:Electrictraction;Electricalengineering;Electricalequipment;Electricalinstallations;Electronicengineering;Electronically-operateddevices;Erecting(constructionoperation);Mounting;Railwayapplications;Railways
【摘要】:ThisstandardappliestothemechanicaldesignfeaturesfortheinstallationofallelectronicequipmentasdefinedinEN50155andcomplyingwithHD493.ForindividualorspecializedequipmentnotcomplyingwithHD493,nospecifieddimensionsaredefined;thistypeofequipmentshallbedesignedtomeettheparticularrequirements.Theserequirementsforracksandenclosuresdonotexcludeothersolutions(e.g.singleboardmountingwithinanequipmentbox,futuredevelopments,etc.)Thisstandardalsocoversparticularrequirementsfortheinterconnectiontothevehiclewiring.
【中国标准分类号】:S35
【国际标准分类号】:29_280;45_060_10
【页数】:10P.;A4
【正文语种】:英语