【英文标准名称】:Fasteners-Tighteningperformance-Torque/Anglesimplifiedtestmethod
【原文标准名称】:紧固件.紧固性能.扭矩/角度简化试验法
【标准号】:BSEN14831-2005
【标准状态】:现行
【国别】:英国
【发布日期】:2005-12-12
【实施或试行日期】:2005-12-12
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:旋转角度;摩擦系数;定义;试验(质量保证);紧固件;ISO米制螺纹;螺母;螺钉;钢;试验;紧固力;扭矩
【英文主题词】:Angleofrotation;Coefficientoffriction;Definition;Definitions;Examination(qualityassurance);Fasteners;ISOmetricthreads;Nuts;Screws(bolts);Steels;Testing;Tighteningforces;Torque
【摘要】:ThisdocumentspecifiesatestmethodforfastenerswithISOmetricthreadfromM6toM16andwithpropertyclasses8.8to12.9forboltsandscrewsandwithpropertyclasses8to12fornuts,tochecktheirtighteningperformanceintheelasticrange.ItappliestosteelfastenerswithanISOmetricthreadaccordingtoISO68-1.Itappliestofastenershavingafrictioncoefficientfrom0,06uptoandincluding0,18.Forhighervaluesoffrictioncoefficients,thedispersionoftestresultsincreasesandthetestmethodshouldnotbeapplied.Forlowervaluesfrictionofcoefficients,whichareforveryspecificapplicationsandrequirespeciallubrication,thisdocumentdoesnotapply.Thiscomparativetestmethodcanbeusedtomonitorstabilityofaproductionprocess(suchascoating,lubrication,shot-blasting)ortocomparevariousproductionmanufacturinglots.Itcanalsobeusedtodetectfasteners,whichareoutofspecification.NOTEThissimplifiedtestmethodhasbeendevelopedtoavoidsystematicuseofmorecomplexprocedures.Incaseofdisputethetorque/tensiontestmethodaccordingtoENISO16047istherefereetest.Thisdocumentdoesnotapplyforassessmentoffastenersinactualassemblyconditions;itdoesnotallowthemeasurementofoperatingfrictioncoefficients.
【中国标准分类号】:J13
【国际标准分类号】:21_060_10;21_060_20
【页数】:26P;A4
【正文语种】:英语