ASTM A 930-1994 涵洞,暴雨下水道和其它覆盖在地下的排水道用波形金属管的寿命周期费用分析的标准实例

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【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】:Aerospaceseries-HeatresistingalloyCO-WH4101(CoCr20W15Ni)-Fillermetalforwelding;GermanversionEN3887:2001
【原文标准名称】:航空航天系列.耐高温合金CO-WH4101(CoCr20W15Ni).焊接填充金属;德文版本EN3887:2001
【标准号】:EN3887-2001
【标准状态】:现行
【国别】:
【发布日期】:2002-07
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:合金;焊条;一氧化碳;航空运输;化学成分;高温;航空航天运输;冷拔(拉);使用;焊接;规范(验收);应用;焊料金属丝;航天运输;焊接焊料金属;多语种的
【英文主题词】:Aerospacetransport;Airtransport;Alloys;Applications;Carbonmonoxide;Chemicalcomposition;Cold-drawn;Fillerwire;Hightemperature;Multilingual;Spacetransport;Specification(approval);Use;Welding;Weldingfillermetals;Weldingrods
【摘要】:
【中国标准分类号】:V11
【国际标准分类号】:49_025_15
【页数】:7P.;A4
【正文语种】:英语