【英文标准名称】:TaperedandReducedCrossSectionRetainingRings(InchSeries)(ExternalType-NA1;InternalType-NA2;E-RingType-NA3)
【原文标准名称】:锥形减截面挡圈(英寸系列)(外挡型：NA1；内挡型：NA2;E型环：NA3)
【标准号】:ANSI/ASMEB18.27.1-1998
【标准状态】:作废
【国别】:美国
【发布日期】:1998
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:紧固件;档圈
【英文主题词】:fasteners;retainingrings
【摘要】:
【中国标准分类号】:J13
【国际标准分类号】:21_060_60
【页数】:
【正文语种】:英语
基本信息
| 标准名称： | 地下内燃铲运机 |
| 中标分类： |
矿业 >>
矿山机械设备 >>
采掘设备 |
| 替代情况： | 被JB/T 5500-2004代替 |
| 发布日期： | |
| 实施日期： | 1993-01-01 |
| 首发日期： | |
| 作废日期： | 2004-11-01 |
| 出版日期： | |
| 页数： | 7页 |
适用范围
没有内容
前言
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目录
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引用标准
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所属分类： 矿业 矿山机械设备 采掘设备
【英文标准名称】:Railwayapplications.Rollingstockequipment.Shockandvibrationtests
【原文标准名称】:铁路设施.机车车辆设备.冲击和振动试验
【标准号】:BSEN61373-1999
【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】:冲击试验;验收(鉴定);机械试验;轴;行车机构;放大;无轨电车;准确度;基准点确定;铁路设备;性能试验;铁道车辆;振动试验;速度;试验设备;再现性;认证(认可)
【英文主题词】:Acceptance(approval);Accuracy;Amplification;Axles;Bogies;Certification;Certification(approval);Electrictraction;Electricalengineering;Electricalequipment;Electrically-operateddevices;Equipment;Impacttesting;Mechanicaltesting;Performancetesting;Railwayapplications;Railwayequipment;Railwayvehiclecomponents;Railwayvehicles;Railways;Randomvariable;Referencepointdetermination;Reproducibility;Rollingstocks;Shocktests;Shocks;Testequipment;Testing;Trafficvehicles;Trolleybuses;Vehicles;Velocity;Vibration;Vibrationtesting;Vibrationtests
【摘要】:ThisInternationalStandardspecifiestherequirementsfortestingitemsofequipmentintendedforuseonrailwayvehicleswhicharesubsequentlysubjectedtovibrationsandshockowingtothenatureofrailwayoperationalenvironment.Togainassurancethatthequalityoftheitemisacceptable,ithastowithstandtestsofreasonabledurationthatsimulatetheserviceconditionsseenthroughoutitsexpectedlife.Simulatedlong-lifetestingcanbeachievedinanumberofwayseachhavingtheirassociatedadvantagesanddisadvantages,thefollowingbeingthemostcommon:a)amplification:wheretheamplitudesareincreasedandthetimebasedecreased;b)timecompression:wheretheamplitudehistoryisretainedandthetimebaseisdecreased;c)decimation:wheretimeslicesofthehistoricaldataareremovedwhentheamplitudesarebelowaspecifiedthresholdvalue.Theamplificationmethodasstatedina)above,isusedinthisstandardandtogetherwiththepublicationsreferredtoinclause2;itdefinesthedefaulttestproceduretobefollowedwhenvibrationtestingitemsforuseonrailwayvehicles.However,otherstandardsdoexistandmaybeusedwithprioragreementbetweenthemanufacturerandthecustomer.Insuchcasesattestationoftestingagainstthisstandardwillnotapply.WhereserviceinformationisavailablecomparisonwiththestandardcanbeperformedusingthemethodoutlinedinannexA.Whilstthisstandardisprimarilyconcernedwithrailwayvehiclesonfixedrailsystems,itswideruseisnotprecluded.Forsystemsoperatingonpneumatictyres,orothertransportationsystemssuchastrolleybuses,wherethelevelofshockandvibrationclearlydifferfromthoseobtainedonfixedrailsystems,thesupplierandcustomercanagreeatthetenderstage,thetestlevels.Itisrecommendedthatthefrequencyspectraandtheshockduration/amplitudebedeterminedusingtheguidelinessetoutinannexA.Itemstestedatlevelsoutsidethosequotedinthisstandardcannotbecertifiedagainsttherequirementsofthisstandard.Anexampleofthisistrolleybuses,wherebybody-mountedtrolleybusequipmentcouldbetestedinaccordancewithcategory1equipmentreferredtointhestandard.Thisstandardappliestosingleaxistesting.Multi-axistestingisoutsidethescopeofthisstandard.Thetestvaluesquotedinthisstandardhavebeendividedintothreecategoriesdependentonlyupontheequipment'slocationwithinthevehicle.Category1BodymountedClassACubicles,subassemblies,equipmentandcomponentsmounteddirectlyonorunderthecarbody.ClassBAnythingmountedinsideanequipmentcasewhichisinturnmounteddirectlyonorunderthecarbody.NOTE-ClassBshouldbeusedwhenitIsnotclearwheretheequipmentistobelocated.Category2BogiemountedCubicles,subassemblies,equipmentandcomponentswhicharetobemountedonthebogieofarailwayvehicle.Category3AxlemountedSubassemblies,equipmentandcomponentsorassemblieswhicharetobemountedonthewheelsetassemblyofarailwayvehicle.NOTE-Inthecaseofequipmentmountedonvehicleswithonelevelofsuspensionsuchaswagonsandtrucks,unlessotherwiseagreedatthetenderstage,axlemountedequipmentwillbetestedascategory3,andallotherequipmentwillbetestedascategory2.Thecostoftestingisinfluencedbytheweight,shapeandcomplexityoftheitemundertest.Consequentlyatthetenderstagethesuppliermayproposeamorecosteffectivemethodofdemonstratingcompliancewiththerequirementsofthisstandard.Wherealternativemethodsareagreeditwillbetheresponsibilityofthesuppliertodemonstratetohiscustomerorhisrepresentativethattheobjectiveofthisstandardhasbeenmet.Ifanalternativemethodofevaluationisagreed,thentheitemtestedcannotbecertifiedagainsttherequirementofthisstandard.Thisstandardisintendedtoevaluateequi
【中国标准分类号】:S04
【国际标准分类号】:17_160;45_060_01
【页数】:44P.;A4
【正文语种】:英语