BS 6740-1987 通过测量半径变化测定不圆度偏差的方法

作者:标准资料网 时间:2024-05-13 09:01:47  浏览:9508   来源:标准资料网

【英文标准名称】:Methodfordeterminingdeparturesfromroundnessbymeasuringvariationsinradius
【原文标准名称】:通过测量半径变化测定不圆度偏差的方法
【标准号】:BS6740-1987
【标准状态】:现行
【国别】:英国
【发布日期】:1987-02-27
【实施或试行日期】:1987-02-27
【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】:转动;图形表示;校正;测量仪器;轮廓测量;试验条件;误差;半径;尺寸测量;圆度测量;轮廓测定仪;误差分析
【英文主题词】:Circularshape;Dimensionaltolerances;Erroranalysis;Errors;Finishes;Formtolerances;Measurement;Measuringinstruments;Measuringtechniques;Meters;Profile;Profilemeasurement;Radius;Roundness;Roundnessmeasurement;Shape;Tolerances(measurement)
【摘要】:ThisInternationalStandardspecifiesamethodfordeterminingdeparturesfromroundnessbymeasuringvariationsinradiusbymeansofcontact(stylus)instruments.Itestablishesa)typesofinstrumentsandgeneralrequirements;b)recommendationsfortheuseofinstruments;c)proceduresforcalibrationofinstrumentsandverificationoftheircharacteristics.ThisInternationalStandardappliestotheassessmentofthedeparturesfromidealroundnessofaworkpiecethroughthemediumofaprofiletransformation,obtainedunderreferenceconditions,expressedwithrespecttoanyoneofthefollowingcentres:a)centreoftheleastsquarescircle;b)centreoftheminimumzonecircle;c)centreoftheminimumzonecircumscribedcircle;d)centreofthemaximuninscribedcircle.Eachofthesecentresmayhaveitsownparticularapplication.ThepositionoftheleastsquarescentrecanbecalculatedfromasimpleexplicitequationgiveninannexF.Departuresfromroundnessofthemeasuredprofile,procedure,calibrationanddeterminationofsystematicerrorsofrotationaredealtwithinannexesAtoD,respectively.AnnexEgivesrulesforplottingandreadingpolargraphs.
【中国标准分类号】:J04
【国际标准分类号】:17_040_30
【页数】:24P.;A4
【正文语种】:英语