热门站点| 世界资料网 | 专利资料网 | 世界资料网论坛
收藏本站| 设为首页| 首页

JIS E4031-2008 铁路车辆设备.冲击和振动试验

作者:标准资料网 时间:2024-05-15 08:56:00  浏览:9141   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:Rollingstockequipment--Shockandvibrationtests
【原文标准名称】:铁路车辆设备.冲击和振动试验
【标准号】:JISE4031-2008
【标准状态】:现行
【国别】:日本
【发布日期】:2008-03-11
【实施或试行日期】:
【发布单位】:日本工业标准调查会(JP-JISC)
【起草单位】:TechnicalCommitteeonRailwaysandRollingStock
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:ThisStandardcoverstherequirementsforrandomvibrationandshocktestingitemsofmechanical,pneumatic,electricalandelectronicequipment/components(hereafteronlyreferredtoas"equipment")tobefittedontorailwayvehicles.Randomvibrationistheonlymethodtobeusedforequipment/componentapproval.ThetestscontainedwithinthisStandardarespecificallyaimedatdemonstratingtheabilityoftheequipmentundertesttowithstandthetypeofenvironmentalvibra-tionconditionsnormallyexpectedforrailwayvehicles.Inordertoachievethebestrepresentationpossible,thevaluesquotedinthisStandardhavebeenderivedfromactualservicemeasurementssubmittedbyvariousbodiesfromaroundtheworld.ThisStandardisnotintendedtocoverself-inducedvibrationsasthesewillbespe-cifictoparticularapplications.Engineeringjudgementandexperienceisrequiredintheexecutionandinterpre-tationofthisStandard.ThisStandardissuitablefordesignandvalidationpurposes;however,itdoesnotexcludetheuseofotherdevelopmenttools(suchassinesweep),whichmaybeusedtoensureapredetermineddegreeofmechanicalandoperationalconfidence.Toas-sistproductdesignforcompliancewiththisStandard,guidanceisgiveninAnnexBwhichallowscomparisonwithalternativedesignmethods.Thetestlevelstobeappliedtotheitemundertestanddictatedonlybyitsloca-tiononthetrain(i.e.axle,bogieorbody-mounted).Itshouldbenotedthatthesetestsmaybeperformedonprototypesinordertogaindesigninformationabouttheproductperformanceunderrandomvibration.However,forattestationoftestingpurposesthetestshavetobecarriedoutonequipmenttakenfromnormalproduction.ThisStandardspecifiestherequirementsfortestingitemsofequipmentintendedforuseonrailwayvehicleswhicharesubsequentlysubjectedtovibrationsandshockowingtothenatureofrailwayoperationalenvironment.Togainassurancethatthequalityoftheitemisacceptable,ithastowithstandtestsofreasonabledurationthatsimulatetheserviceconditionsseenthroughoutitsexpectedlife.Simulatedlong-lifetestingcanbeachievedinanumberofwayseachhavingtheirassociatedadvantagesanddisadvantages,thefollowingbeingthemostcommon:a)amplification:wheretheamplitudesareincreasedandthetimebasedecreased;b)timecompression:wheretheamplitudehistoryisretainedandthetimebaseisdecreased;c)decimation:wheretimeslicesofthehistoricaldataareremovedwhentheam-plitudesarebelowaspecifiedthresholdvalue.
【中国标准分类号】:S30
【国际标准分类号】:17_160;45_060
【页数】:62P;A4
【正文语种】:日语


下载地址: 点击此处下载
【英文标准名称】:Geometricalproductspecifications(GPS)-Limitpluggauges-Part1:Forholesfrom1mmupto40mmnominaldiameter
【原文标准名称】:产品几何量技术规范(GPS).界限塞规.第1部分:标称直径1~40mm的孔
【标准号】:DIN2245-1-2008
【标准状态】:现行
【国别】:德国
【发布日期】:2008-07
【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】:孔径;圆柱形;名称与符号;直径;尺寸;规柄;量规;量规体;产品几何量技术规范;过端量规;GPS;塞规;孔;检验量规;内螺纹;ISO螺纹;材料;公称尺寸;不过端量规;考核;规范(验收);螺纹;公差(测量)
【英文主题词】:Bores;Cylindricalshape;Designations;Diameter;Dimensions;Gaugehandles;Gauges;Gaugingmembers;Geometricalproductspecification;Go-gaugingmembers;GPS;Holegauges;Holes;Inspectiongauges;Internalthreads;ISOscrewthreads;Materials;Nominalsize;Not-gogauges;Pluggauges;Rating;Specification(approval);Threads;Tolerances(measurement)
【摘要】:
【中国标准分类号】:J42
【国际标准分类号】:17_040_30
【页数】:6P.;A4
【正文语种】:德语


【英文标准名称】:StandardPracticesforSamplingMetalPowders
【原文标准名称】:金属粉末取样的标准实施规程
【标准号】:ASTMB215-2010
【标准状态】:现行
【国别】:
【发布日期】:2010
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:B09.02
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:选择样本;搅拌机;复合样本;主要样本;分取样器;取样分离
【英文主题词】:alternativesampler;blender;compositesample;Keystonesampler;samplesplitter;samplingsegregation
【摘要】:Sincemanytestsareperformedusingverysmallamountsofpowder,itismostimportantthatthetestportionsbeobtainedinastandardizedmanner.Thepracticesdescribedheretakeintoaccountthepossibilityofsegregationofthemetalpowderduringandafterfillingofcontainers.1.1Thesepracticesdescribetwoproceduresforobtainingsamplesofmetalpowdersforsubsequenttesting:1.1.1PracticeA8212;Forpowdersbeingtransferredfromblendersorstoragetanks.1.1.2PracticeB8212;Forpowdersalreadypackagedincontainers.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H16
【国际标准分类号】:77_160
【页数】:4P.;A4
【正文语种】:



版权声明:所有资料均为作者提供或网友推荐收集整理而来,仅供爱好者学习和研究使用,版权归原作者所有。
如本站内容有侵犯您的合法权益,请和我们取得联系,我们将立即改正或删除。
京ICP备14017250号-1