BS 84-2007 惠氏螺纹牙样的平行螺纹.要求
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【英文标准名称】:ParallelscrewthreadsofWhitworthform–Requirements
【原文标准名称】:惠氏螺纹牙样的平行螺纹.要求
【标准号】:BS84-2007
【标准状态】:现行
【国别】:英国
【发布日期】:2007-11-30
【实施或试行日期】:2007-11-30
【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】:螺栓;紧配合螺纹;名称与符号;直径;尺寸公差;尺寸;配合;松螺纹;中螺纹;金属涂层;标准螺纹;螺母;平行螺纹;螺纹形状;螺距;螺纹;惠氏螺纹
【英文主题词】:Bolts;Close-fitthreads;Designations;Diameter;Dimensionaltolerances;Dimensions;Fits;Freethreads;Mediumthreads;Metalcoatings;Normalthreads;Nuts;Parallelthreads;Threadforms;Threadpitch;Threads;Whitworthscrewthreads
【摘要】:ThisBritishStandardspecifieslimitsofsizes,andtolerances,forsinglestartparallelscrewthreadsofWhitworthform,forgeneralengineeringuse.Itisnotapplicabletothreadsforthreadedpipejoints,screwthreadsassociatedwithinterferencefits,suchasthoseonthe“metalends”ofstudsandinthecorrespondingtappedholes,ortoscrewthreadswhicharetobesubjectedtohightemperatures.Thisstandardspecifiesthefollowingthreadseries:a)acoarsethreadseries,theBritishStandardWhitworth(B.S.W.)series,withnominaldiametersintherangeinto6in.b)afinethreadseries,theBritishStandardfine(B.S.F.)series,withnominaldiametersintherangeinto4in.NOTEThetablesoflimitsandtolerancesfortheB.S.F.seriesextenduptothe3insizeonly,sincenominalsizesabove3inarerarelyused.c)asupplementaryselectedthread(WHIT.S.)serieswithnominaldiametersfrominto7in.d)atruncatedWhitworthformseries(specifiedinAnnexA).ThisBritishStandardspecifieslimitsofsizes,andtolerances,ofuncoatedthreadsandalsoformetalcoatedthreads(includingthreadscoatedwithnickel,tinorzinc)withathicknessofcoatingoftheorderof0.0002in.Itisnotapplicabletoheavilycoatedthreads(i.e.threadswithacoatingthicknessabove0.00035in).NOTESupplementaryinformationisgiveninAnnexB,AnnexCandAnnexD.
【中国标准分类号】:J05
【国际标准分类号】:21_040_20
【页数】:66P.;A4
【正文语种】:英语
【原文标准名称】:惠氏螺纹牙样的平行螺纹.要求
【标准号】:BS84-2007
【标准状态】:现行
【国别】:英国
【发布日期】:2007-11-30
【实施或试行日期】:2007-11-30
【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】:螺栓;紧配合螺纹;名称与符号;直径;尺寸公差;尺寸;配合;松螺纹;中螺纹;金属涂层;标准螺纹;螺母;平行螺纹;螺纹形状;螺距;螺纹;惠氏螺纹
【英文主题词】:Bolts;Close-fitthreads;Designations;Diameter;Dimensionaltolerances;Dimensions;Fits;Freethreads;Mediumthreads;Metalcoatings;Normalthreads;Nuts;Parallelthreads;Threadforms;Threadpitch;Threads;Whitworthscrewthreads
【摘要】:ThisBritishStandardspecifieslimitsofsizes,andtolerances,forsinglestartparallelscrewthreadsofWhitworthform,forgeneralengineeringuse.Itisnotapplicabletothreadsforthreadedpipejoints,screwthreadsassociatedwithinterferencefits,suchasthoseonthe“metalends”ofstudsandinthecorrespondingtappedholes,ortoscrewthreadswhicharetobesubjectedtohightemperatures.Thisstandardspecifiesthefollowingthreadseries:a)acoarsethreadseries,theBritishStandardWhitworth(B.S.W.)series,withnominaldiametersintherangeinto6in.b)afinethreadseries,theBritishStandardfine(B.S.F.)series,withnominaldiametersintherangeinto4in.NOTEThetablesoflimitsandtolerancesfortheB.S.F.seriesextenduptothe3insizeonly,sincenominalsizesabove3inarerarelyused.c)asupplementaryselectedthread(WHIT.S.)serieswithnominaldiametersfrominto7in.d)atruncatedWhitworthformseries(specifiedinAnnexA).ThisBritishStandardspecifieslimitsofsizes,andtolerances,ofuncoatedthreadsandalsoformetalcoatedthreads(includingthreadscoatedwithnickel,tinorzinc)withathicknessofcoatingoftheorderof0.0002in.Itisnotapplicabletoheavilycoatedthreads(i.e.threadswithacoatingthicknessabove0.00035in).NOTESupplementaryinformationisgiveninAnnexB,AnnexCandAnnexD.
【中国标准分类号】:J05
【国际标准分类号】:21_040_20
【页数】:66P.;A4
【正文语种】:英语
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