【英文标准名称】:Class5interference-fitthread
【原文标准名称】:过渡配合螺纹5类
【标准号】:ASMEB1.12M-1987
【标准状态】:现行
【国别】:美国
【发布日期】:1987-01-01
【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;尺寸;过度配合;螺纹过度配合;螺纹牙型;螺钉;螺纹
【英文主题词】:Designations;Dimensions;Interferencefit;Interferencefitthreads;Screwthreadprofiles;Screws(bolts);Threads
【摘要】:ThisStandardprovidesdimensionaltablesforexternalandinternalplasticflowinterference-fit(Class5)threadsofmodifiedNationalthreadforminthecoarsethreadseries(NC)insizes0.250in.through1.500in.ThisisnottheANSIB1.1UNthreadform.ItisintendedthatdesignsconformingwiththisStandardwillprovideadequatetorqueconditionswhichfallwithinthelimitsshowninTable8.Theminimumtorqueisintendedtobesufficienttoinsurethatexternallythreadedmemberswillnotlooseninservice,themaximumtorqueestablishesaceilingbelowwhichseizing,galling,ortorsionalfailureoftheexternallythreadedcomponentsisreduced.ThisStandardprovidesforthemaximumallowableinterference.AppendicesA,B,C,andDcontainusefulinformationthatissupplementarytothisStandard,suchasreprintsoftheobsoletetentativeandalternateClass5standards,USNavyshipspecificationsforelasticinterference-fitcoarsethreadseriesfrom0.250inthrough2.000in,USNavyshipspecificationsforClass5Modifiedwhichincludesnickel-copper-aluminumalloyexternalthreads,andaninterferencemetalcomparisonofstandardtononstandardinterference-fitthreads.
【中国标准分类号】:J04
【国际标准分类号】:21_040_30
【页数】:67P.;A4
【正文语种】:英语