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【英文标准名称】:Class5interference-fitthread
【原文标准名称】:5级压配合螺纹
【标准号】:ASMEB1.12-1987
【标准状态】:现行
【国别】:美国
【发布日期】:1987
【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】:名称与符号;螺纹;螺纹牙型;螺钉;压配合;压配合螺纹;尺寸
【英文主题词】:Designations;Dimensions;Interferencefit;Interferencefitthreads;Screwthreadprofiles;Screws(bolts);Threads
【摘要】:ThisStandardprovidesdimensionaltablesforexternalandinternalplasticflowinterference-fit(Class5)threadsofmodifiedNationalthreadforminthecoarsethreadseries(NC)insizes0.250in.through1.500in.ThisisnottheANSIB1.lUNthreadform.ItisintendedthatdesignsconformingwiththisStandardwillprovideadequatetorqueconditionswhichfallwithinthelimitsshowninTable8.Theminimumtorquesareintendedtobesufficienttoinsurethatexternallythreadedmemberswillnotlooseninservice;themaximumtorquesestablishaceilingbelowwhichseizing,galling,ortorsionalfailureoftheexternallythreadedcomponentsisreduced.ThisStandardprovidesforthemaximumallowableinterference.AppendicesA,B,C,andDcontainusefulinformationthatissupplementarytothisStandard,suchasreprintsoftheobsoletetentativeandalternateClass5standards,U.S.Navyshipspecificationsforelasticinterference-fitcoarsethreadseriesfrom0.250in.through2.000in.,U.S.NavyshipspecificationsforClass5Modifiedwhichincludesnickel-copper-aluminumalloyexternalthreads,andaninterferencemetalcomparisonofstandardtononstandardinterference-fitthreads.
【中国标准分类号】:J04
【国际标准分类号】:21_040_30
【页数】:68P.;A4
【正文语种】:英语