【英文标准名称】:Testproceduresfordeterminingphysicalpropertiesofbrushmaterialsforelectricalmachines
【原文标准名称】:电机用电刷材料的物理性能测定用试验程序
【标准号】:JISC2820-2008
【标准状态】:现行
【国别】:日本
【发布日期】:2008-06-20
【实施或试行日期】:2008-06-20
【发布单位】:日本工业标准调查会(JP-JISC)
【起草单位】:TechnicalCommitteeonElectricityTechnology
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:ThisStandardspecifiestestproceduresfordeterminingthephysicalprop-ertiesofbrushmaterialsforelectricalmachines,i.e.bulkdensity,hardness,resistiv-ity,transversestrengthandfordeterminingtheashcontent.NOTES1Thepropertiesdeterminedbythesetestsareinherentinthebrushmaterialsthemselvesasdistinctfromperformancecharacteristicsinoperationonelectricalequipment.Itshouldbekeptinmindthatsincebrushmaterialsaregenerallybrittle,porousmaterials,itisreasonablethattheirpropertiesvarymuchmorethanthesamepropertiesinmetals.Samplesusedforthesetestsshallberepresentativeofthebatchofmaterialinvolvedusingarecognizedand/oragreedsamplingprocedureortechnique.2TheInternationalStandardcorrespondingtothisStandardisasfollows.ThesymbolswhichdenotethedegreeofcorrespondencebetweenJISandthecorrespondingInternationalStandardareIDT(identical),MOD(modified),andNEQ(notequivalent)accordingtoISO/IECGuide21.IEC60413:1972Testproceduresfordeterminingphysicalpropertiesofbrushmaterialsforelectricalmachines(MOD)
【中国标准分类号】:K20
【国际标准分类号】:29_160_10
【页数】:14P;A4
【正文语种】:日语