BS 919-2-2007 螺纹规限值和公差.惠氏螺纹和B.A.螺纹牙样的螺纹规用规范
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【英文标准名称】:Screwgaugelimitsandtolerances–Part2:SpecificationforgaugesforscrewthreadsofWhitworthandB.A.forms
【原文标准名称】:螺纹规限值和公差.惠氏螺纹和B.A.螺纹牙样的螺纹规用规范
【标准号】:BS919-2-2007
【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】:英国标准螺纹;英国标准循环螺纹;卡尺(仪表);直径;直径测量;尺寸公差;尺寸;硬度;线性测量仪器;作标记;塞规;环规;定位规;螺纹形状;螺纹量规;螺距;惠氏螺纹
【英文主题词】:BritishAssociationscrewthreads;Britishstandardcyclethreads;Calipers(instruments);Diameter;Diametermeasurement;Dimensionaltolerances;Dimensions;Hardness;Linearmeasuringinstruments;Marking;Pluggauges;Ringgauges;Settinggauges;Threadforms;Threadgauges;Threadpitch;Whitworthscrewthreads
【摘要】:ThisPartofBS919specifiesrequirementsforthefollowinggaugesintendedforcheckingscrewthreadsintheregularseries,suchasBSWhit.,BSFine,B.A.,BSCandBSConduit.a)Screwgaugesforgeneralandreferenceuse:1)solid(non-adjustable)screwpluggauges,GOandNOTGO;2)solidandadjustableGOscrewringgauges;3)adjustablethreadcallipergauges,GOandNOTGO.NOTENOTGOeffectivediameterringgaugesarealsoincludedsincetheyhavecertainlimitedapplications.Inprinciple,however,theiruseisnotrecommended.b)Plainpluggaugesandplaincallipergaugesforthecrestsofthreads.NOTEProvisionismadeinthestandardforbothGOandNOTGOplaingauges,butGOplaingaugesarenormallyrequiredonlyinthecaseofthreadswherethecorrespondingGOscrewgaugesdonotcontrolthemaximummetalconditionatthecrestsofthethreadsoftheproduct.c)Settingplugsforadjustablescrewringandthreadcallipergauges,GOandNOTGO.ThisstandardmaybeappliedalsotogaugesforanyscrewthreadsofWhitworthform,butnottogaugesforAcme,buttressorroundthreads.AnnexAprovidesguidanceonthevarioustypesofgauges.InformationrelatingtotheeffectivediameterequivalentofpitchandangleerrorsandtothethreadformofNOTGOeffectivediametergaugesisgiveninAnnexB,AnnexCandAnnexD.Norequirementsarespecifiedforthematerialsforgauges,butguidanceonthehardnessofgaugesisgiveninAnnexE.
【中国标准分类号】:J05
【国际标准分类号】:21_040_20
【页数】:42P.;A4
【正文语种】:英语
【原文标准名称】:螺纹规限值和公差.惠氏螺纹和B.A.螺纹牙样的螺纹规用规范
【标准号】:BS919-2-2007
【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】:英国标准螺纹;英国标准循环螺纹;卡尺(仪表);直径;直径测量;尺寸公差;尺寸;硬度;线性测量仪器;作标记;塞规;环规;定位规;螺纹形状;螺纹量规;螺距;惠氏螺纹
【英文主题词】:BritishAssociationscrewthreads;Britishstandardcyclethreads;Calipers(instruments);Diameter;Diametermeasurement;Dimensionaltolerances;Dimensions;Hardness;Linearmeasuringinstruments;Marking;Pluggauges;Ringgauges;Settinggauges;Threadforms;Threadgauges;Threadpitch;Whitworthscrewthreads
【摘要】:ThisPartofBS919specifiesrequirementsforthefollowinggaugesintendedforcheckingscrewthreadsintheregularseries,suchasBSWhit.,BSFine,B.A.,BSCandBSConduit.a)Screwgaugesforgeneralandreferenceuse:1)solid(non-adjustable)screwpluggauges,GOandNOTGO;2)solidandadjustableGOscrewringgauges;3)adjustablethreadcallipergauges,GOandNOTGO.NOTENOTGOeffectivediameterringgaugesarealsoincludedsincetheyhavecertainlimitedapplications.Inprinciple,however,theiruseisnotrecommended.b)Plainpluggaugesandplaincallipergaugesforthecrestsofthreads.NOTEProvisionismadeinthestandardforbothGOandNOTGOplaingauges,butGOplaingaugesarenormallyrequiredonlyinthecaseofthreadswherethecorrespondingGOscrewgaugesdonotcontrolthemaximummetalconditionatthecrestsofthethreadsoftheproduct.c)Settingplugsforadjustablescrewringandthreadcallipergauges,GOandNOTGO.ThisstandardmaybeappliedalsotogaugesforanyscrewthreadsofWhitworthform,butnottogaugesforAcme,buttressorroundthreads.AnnexAprovidesguidanceonthevarioustypesofgauges.InformationrelatingtotheeffectivediameterequivalentofpitchandangleerrorsandtothethreadformofNOTGOeffectivediametergaugesisgiveninAnnexB,AnnexCandAnnexD.Norequirementsarespecifiedforthematerialsforgauges,butguidanceonthehardnessofgaugesisgiveninAnnexE.
【中国标准分类号】:J05
【国际标准分类号】:21_040_20
【页数】:42P.;A4
【正文语种】:英语
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