EN 3781-2008 航空航天系列.弹簧绕制固定环用槽.设计标准
时间:2024-05-25 02:45:13 来源: 标准资料网 作者：标准资料网 阅读：9060
【英文标准名称】:Aerospaceseries-Groovesforspiralwoundretainingrings-Designstandard;GermanandEnglishversionEN3781:2008
【原文标准名称】:航空航天系列.弹簧绕制固定环用槽.设计标准
【标准号】:EN3781-2008
【标准状态】:现行
【国别】:
【发布日期】:2008-12
【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】:航空工程;航空航天运输;航空运输;孔径;设计;设计标准;直径;尺寸;紧固件;键槽;安装;多语种的;移除;航天运输;规范(验收);弹簧固定环;公差(测量)
【英文主题词】:Aeronauticalengineering;Aerospacetransport;Airtransport;Bores;Design;Designstandards;Diameter;Dimensions;Fasteners;Keyways;Mounting;Multilingual;Removal;Spacetransport;Specification(approval);Springretainingrings;Tolerances(measurement)
【摘要】:
【中国标准分类号】:V21
【国际标准分类号】:49_030_50
【页数】:28P.;A4
【正文语种】:英语
【英文标准名称】:Railwayapplications-Rollingstockequipment-Shockandvibrationtests
【原文标准名称】:铁路设施.铁路车辆设备.撞击和振动试验
【标准号】:IEC61373-2010
【标准状态】:现行
【国别】:国际
【发布日期】:2010-05
【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/TC9
【标准类型】:()
【标准水平】:()
【中文主题词】:认证;电力牵引;电气设备;电驱动装置;设备;铁路设施;铁道车辆;铁路;随机变量;铁路车辆;冲击试验;冲击;试验;交通车辆;运载工具;振动;振动试验
【英文主题词】:Certification;Electrictraction;Electricalequipment;Electrically-operateddevices;Equipment;Railwayapplications;Railwayvehicles;Railways;Randomvariable;Rollingstocks;Shocktests;Shocks;Testing;Trafficvehicles;Vehicles;Vibration;Vibrationtests
【摘要】:ThisInternationalStandardspecifiestherequirementsfortestingitemsofequipmentintendedforuseonrailwayvehicleswhicharesubsequentlysubjectedtovibrationsandshockowingtothenatureofrailwayoperationalenvironment.Togainassurancethatthequalityoftheequipmentisacceptable,ithastowithstandtestsofreasonabledurationthatsimulatetheserviceconditionsseenthroughoutitsexpectedlife.Simulatedlong-lifetestingcanbeachievedinanumberofwayseachhavingtheirassociatedadvantagesanddisadvantages,thefollowingbeingthemostcommon:a)amplification:wheretheamplitudesareincreasedandthetimebasedecreased;b)timecompression:wheretheamplitudehistoryisretainedandthetimebaseisdecreased(increaseofthefrequency);c)decimation:wheretimeslicesofthehistoricaldataareremovedwhentheamplitudesarebelowaspecifiedthresholdvalue.Theamplificationmethodasstatedina)above,isusedinthisstandardandtogetherwiththepublicationsreferredtoinClause2;itdefinesthedefaulttestproceduretobefollowedwhenvibrationtestingitemsforuseonrailwayvehicles.However,otherstandardsexistandmaybeusedwithprioragreementbetweenthemanufacturerandthecustomer.Insuchcasestestcertificationagainstthisstandardwillnotapply.WhereserviceinformationisavailabletestscanbeperformedusingthemethodoutlinedinAnnexA.Ifthelevelsarelowerthanthosequotedinthisstandard,equipmentispartiallycertifiedagainstthisstandard(onlyforserviceconditionsgivingfunctionaltestvalueslowerthanorequaltothosespecifiedinthetestreport).Whilstthisstandardisprimarilyconcernedwithrailwayvehiclesonfixedrailsystems,itswideruseisnotprecluded.Forsystemsoperatingonpneumatictyres,orothertransportationsystemssuchastrolleybuses,wherethelevelofshockandvibrationclearlydifferfromthoseobtainedonfixedrailsystems,thesupplierandcustomercanagreeonthetestlevelsatthetenderstage.Itisrecommendedthatthefrequencyspectraandtheshockduration/amplitudebedeterminedusingtheguidelinesinAnnexA.Equipmenttestedatlevelslowerthanthosequotedinthisstandardcannotbefullycertifiedagainsttherequirementsofthisstandard.Anexampleofthisistrolleybuses,wherebybody-mountedtrolleybusequipmentcouldbetestedinaccordancewithcategory1equipmentreferredtointhestandard.Thisstandardappliestosingleaxistesting.Howevermulti-axistestingmaybeusedwithprioragreementbetweenthemanufacturerandthecustomer.Thetestvaluesquotedinthisstandardhavebeendividedintothreecategoriesdependentonlyupontheequipment’slocationwithinthevehicle.
【中国标准分类号】:S30
【国际标准分类号】:17_160;45_060_01
【页数】:74P.;A4
【正文语种】:英语
【英文标准名称】:Playgroundequipment-Safetyrequirementsandtestmethods;Explanations
【原文标准名称】:游乐场器材.安全要求和试验方法.说明
【标准号】:DINEN1176Bb.1-2003
【标准状态】:作废
【国别】:德国
【发布日期】:2003-06
【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】:材料;检验;作标记;布置;规范(验收);设备安全;设计;安全要求;表面;金属;基础;体育与娱乐设备;儿童游乐场;荷载能力;尺寸;塑料;安全工程;装置;使用说明;试验;木材;危害;维修;儿童;稳定性;危险防护;游乐场器材;游乐场;负荷;当心
【英文主题词】:Caution;Children;Children'splaygrounds;Design;Dimensions;Equipmentsafety;Foundations;Hazards;Inspection;Installations;Instructionsforuse;Layout;Leisureequipment;Loadcapacity;Loading;Maintenance;Marking;Materials;Metals;Plastics;Playgroundequipment;Playgrounds;Protectionagainstdanger;Safetyengineering;Safetyrequirements;Specification(approval);Stability;Surfaces;Testing;Wood
【摘要】:
【中国标准分类号】:Y57
【国际标准分类号】:97_200_40
【页数】:34P;A4
【正文语种】:德语