BS 1434-1985 电工用铜规范：换向器用铜的棒型材、坯材和片材
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来源:标准资料网
【英文标准名称】:Specificationforcopperforelectricalpurposes:coppersectionsinbars,blanksandsegmentsforcommutators
【原文标准名称】:电工用铜规范：换向器用铜的棒型材、坯材和片材
【标准号】:BS1434-1985
【标准状态】:现行
【国别】:英国
【发布日期】:1985-02-28
【实施或试行日期】:1985-02-28
【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】:棒材;铜;坯件;换向器;角度公差;硬度;金属型材;化学成分;楔形;形状公差;尺寸公差;换向条;形状;导电体;铜合金
【英文主题词】:Angulartolerances;Bars(materials);Blanks;Chemicalcomposition;Commutatorbars;Commutators;Copper;Copperalloys;Dimensionaltolerances;Electricconductors;Formtolerances;Hardness;Metalsections;Shape;Wedgeshape
【摘要】:Specifiesrequirementsforflatsidedwedgeshapedsectioninbars(straightlengthsandcoils)blanksandsegments,suitableforthemanufactureofcommutatorsforrotatingmachines.
【中国标准分类号】:H62
【国际标准分类号】:77_150_30
【页数】:16P.;A4
【正文语种】:英语
【英文标准名称】:InterpretationstoB16.5-1985CastBronzeThreadedFittingsClasses125and250IncludesInterpretationsNo.1
【原文标准名称】:B16.5-1985的说明.125级和250级青铜铸造螺纹配件.包括说明1
【标准号】:ASMEB16.15INTERPRETATIONS-1985
【标准状态】:现行
【国别】:美国
【发布日期】:1985-06-30
【实施或试行日期】:
【发布单位】:美国机械工程师协会(US-ASME)
【起草单位】:ASME
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:InterpretationstoB16.5-1985CastBronzeThreadedFittingsClasses125and250IncludesInterpretationsNo.1
【中国标准分类号】:J13
【国际标准分类号】:23_040_40
【页数】:
【正文语种】:英语
【英文标准名称】:Mechanicalvibrationandshock-Characterizationofthedynamicmechanicalpropertiesofvisco-elasticmaterials-Part2:Resonancemethod
【原文标准名称】:机械振动和冲击.粘弹性材料的动态机械特性的表征.第2部分:共振法
【标准号】:ISO18437-2-2005
【标准状态】:现行
【国别】:国际
【发布日期】:2005-04
【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/TC108
【标准类型】:()
【标准水平】:()
【中文主题词】:振动;规范(验收);振动影响(对人体);振动影响;振动测量;测量;试验;材料的机械性能;冲击;抗震试验;弹性(流体);共振法;定义
【英文主题词】:Definition;Definitions;Elasticproperties(fluids);Measurement;Mechanicalpropertiesofmaterials;Resonancemethods;Shock;Specification(approval);Testing;Vibration;Vibrationeffects;Vibrationeffects(humanbody);Vibrationmeasurement;Vibrationresistancetests
【摘要】:ThispartofISO18437definesaresonancemethodfordeterminingfromlaboratory,measurementsthedynamicmechanicalpropertiesoftheresilientmaterialsusedinvibrationisolators.Itisapplicabletoshockandvibrationsystemsoperatingfromafractionofahertztoabout20kHz.ThispartofISO18437isapplicabletoresilientmaterialsthatareusedinvibrationisolatorsinordertoreducea)transmissionsofunwantedvibrationsfrommachines,structuresorvehiclesthatradiatesound(fluid-borne,airborne,structure-borne,orothers),andb)thetransmissionoflow-frequencyvibrationsthatactuponhumansorcausedamagetostructuresorsensitiveequipmentwhenthevibrationistoosevere.ThedataobtainedwiththemeasurementmethodsthatareoutlinedinthispartofISO18437andfurtherdetailedinISO18437-3areusedfor—thedesignofefficientvibrationisolators,—theselectionofanoptimummaterialforagivendesign,—thetheoreticalcomputationofthetransferofvibrationsthroughisolators,—informationduringproductdevelopment,—productinformationprovidedbymanufacturersandsuppliers,and—qualitycontrol.Theconditionforthevalidityofthemeasurementmethodislinearityofthevibrationalbehaviouroftheisolator.Thisincludeselasticelementswithnonlinearstaticloaddeflectioncharacteristics,providedthattheelementsshowapproximatelinearityintheirvibrationalbehaviourforagivenstaticpreload.Measurementsusingthismethodaremadeoveroneortwodecadesinfrequencyatanumberoftemperatures.Byapplyingthetime-temperaturesuperpositionprinciple,themeasureddataareshiftedtogeneratedynamicmechanicalpropertiesoveramuchwiderrangeoffrequencies(typically10to10Hzatasinglereferencetemperature)thaninitiallymeasuredatagiventemperature.NOTEForthepurposesofthispartofISO18437,theterm"dynamicmechanicalproperties"referstothedeterminationofthefundamentalelasticproperties,e.g.thecomplexYoung'smodulusasafunctionoftemperatureandfrequencyand,ifapplicable,astaticpreload.
【中国标准分类号】:J04
【国际标准分类号】:17_160
【页数】:15P.;A4
【正文语种】:英语
