【英文标准名称】:Aerospaceseries.Titaniumandtitaniumalloys.Technicalspecification.Pre-productionandproductioncastings
【原文标准名称】:航空航天系列.钛和钛合金.技术规范.前期制作和生产铸件
【标准号】:BSEN4800-008-2010
【标准状态】:现行
【国别】:英国
【发布日期】:2010-12-31
【实施或试行日期】:2010-12-31
【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】:验收规范;航空航天运输;航空运输;铸件;化学成分;定义(术语);交货条件;热处理;检验;可锻材料;熔化;顺序示度;定单;预行生产;质量保证;规范(验收);试验;试验要求;钛;钛合金;锻制品
【英文主题词】:Acceptancespecification;Aerospacetransport;Airtransport;Castings;Chemicalcomposition;Definitions;Deliveryconditions;Heattreatment;Inspection;Malleablematerials;Melting;Orderindications;Orders(salesdocuments);Pre-production;Qualityassurance;Specification(approval);Testing;Testingrequirements;Titanium;Titaniumalloys;Wroughtproducts
【摘要】:
【中国标准分类号】:V11
【国际标准分类号】:49_025_30
【页数】:26P;A4
【正文语种】:英语


【英文标准名称】:Rollingbearings-Staticloadratings
【原文标准名称】:滚动轴承.静载荷额定值
【标准号】:ISO76-2006
【标准状态】:现行
【国别】:国际
【发布日期】:2006-05
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC4
【标准类型】:()
【标准水平】:()
【中文主题词】:轴向;轴向止推轴承;滚珠轴承;轴承;定义;直径;荷载能力;额定负荷;负荷;数学计算;计算方法;径向;径向轴承;额定值;滚子轴承;滚柱;滚动轴承;静态的;静荷载;静力学
【英文主题词】:Axial;Axial-thrustbearings;Ballbearings;Bearings;Definition;Definitions;Diameter;Factorofsafety;Loadcapacity;Loadratings;Loading;Mathematicalcalculations;Methodsofcalculation;Radial;Radialbearings;Ratings;Rollerbearings;Rollers;Rollingbearings;Static;Staticloading;Statics
【摘要】:ThisInternationalStandardspecifiesmethodsofcalculatingthebasicstaticloadratingandthestaticequivalentloadforrollingbearingswithinthesizerangesshownintherelevantISOstandards,manufacturedfromcontemporary,commonlyused,highquality,hardenedbearingsteelinaccordancewithgoodmanufacturingpracticeandbasicallyofconventionaldesignasregardstheshapeoftherollingcontactsurfaces.CalculationscarriedoutinaccordancewiththisInternationalStandarddonotyieldsatisfactoryresultsforbearingsinwhich,becauseofapplicationconditionsand/orinternaldesign,thereisaconsiderabletruncationoftheareaofcontactbetweentherollingelementsandtheringraceways.Thesamelimitationapplieswhereapplicationconditionscausedeviationsfromanormalloaddistributioninthebearing,forexamplemisalignment,preloadorextralargeclearanceorwherespecialsurfacetreatmentorcoatingsareused.Wherethereisreasontoassumethatsuchconditionsprevail,theusershouldconsultthebearingmanufacturerforrecommendationsandtheevaluationofthestaticequivalentload.ThisInternationalStandardisnotapplicabletodesignswheretherollingelementsoperatedirectlyonashaftorhousingsurface,unlessthatsurfaceisequivalentinallrespectstothebearingsurfaceitreplaces.Double-rowradialbearingsanddouble-directionthrustbearingsare,whenreferredtointhisInternationalStandard,presumedtobesymmetrical.Inaddition,guidelinesaregivenforstaticsafetyfactorstobeappliedinheavyloadedapplications.
【中国标准分类号】:J11
【国际标准分类号】:21_100_20
【页数】:14P;A4
【正文语种】:英语