【英文标准名称】:Specificationforbuttressthreads
【原文标准名称】:锯齿螺纹规范
【标准号】:BS1657-1950
【标准状态】:现行
【国别】:英国
【发布日期】:1950-08-17
【实施或试行日期】:1950-08-17
【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】:配合;螺母;间隙;螺纹量规;螺距;直径测量;环规;尺寸;不对称螺纹;直径;线性测量仪器;螺钉;卡尺(仪表);螺纹;螺纹形状;尺寸公差
【英文主题词】:diameter;linearmeasuringinstruments;asymmetricalthreads;fits;diametermeasurement;ringgauges;threadpitch;threadgauges;dimensionaltolerances;threads;calipers(instruments);nuts;clearances;screws(bolts);threadforms;dimensions
【摘要】:Includedanglebetweenpressureandtrailingflanksof52;standardformofthreadhasapressureflankangleof7;'special'formhaspressureflanknormaltoaxisofscrew.Norigidpitch/diameterrelationship.Includespreferredseriesfordiametersandpitches.Tablesoftolerancesandallowanceforthreeclassesoffit.Systemofgaugingwithnotesonappropriatetypesandsizesofgauge.Methodofmeasurementofeffectivediameterofbuttressthreads,tablesofdimensionsforthesizesofthreadmeasuringcylinders.
【中国标准分类号】:J04
【国际标准分类号】:21_040_01
【页数】:34P.;A4
【正文语种】:英语