>> P.558
Measuringmethod(zero-pointfixed)Setthedialindicatoronthesupportingstand,andreadtheindicationerror*1ofthenextpointwhilegraduallyretractingthespindle.-Every1/10revolutionforthefirsttworevolutions*2-Everyhalfrevolutionfromtwotofiverevolutions-Everyrevolutionfromfivetotenrevolutions-Everyfiverevolutionsfrom10to50revolutions-Everytenrevolutionsafter50revolutionsNext,afterretractingthespindleformorethanthreegraduationsofthelonghand,extendthespindlegraduallyandreadtheindicationerroratthesamemeasurementpointintheretractdirection.Evaluationmethod(performanceevaluationbymovingthezeropoint)Obtainthedifferencebetweenthemaximumandtheminimumvaluesofindicationerrorofallmeasurementpointsinbothretractandextenddirections.Duringthefirsttworevolutionsinbothretractandextenddirections,obtainthemaximumdifferenceoftheindicationerroramongtheadjacentmeasurementpointsper1/10revolutions.*3Duringthefirstfiverevolutionsinbothretractandextenddirections,obtainthemaximumdifferenceofthemaximumandtheminimumindicationerrorsoverthemeasuringrangeper1/2revolutions.Duringthefirsttenrevolutionsinbothretractandextenddirections,obtainthemaximumdifferenceofthemaximumandtheminimumindicationerrorsoverthemeasuringrangeperonerevolution.Obtainthemaximumdifferenceofallthemeasuringpointsinreferencetotheindicationerroratthesamemeasuringpointinbothforwardandbackwarddirections.Setthedialindicatoronthesupportingstand,retractthespindleatadesiredpositionwithinthemeasuringrange.Then,extendthespindlequicklyandslowlyfivetimesandreadeachvalue.Obtainthemaximumdifferenceamongfiveindicationvalues.Setthedialindicatoronthesupportingstand,retractandextendthespindlecontinuouslyandgradually,andreadthemeasuringforceatthezeroandendpoints.Obtainthemaximummeasuringforce,theminimummeasuringforce,andthedifferenceofthemeasuringforceinbothretractandextenddirectionsatthesamemeasurementpoint.MeasurementexamplesDialindicatorSupportingstandMicrometerheadorotherlengthmeasuringunitDialindicatorDiandctSupportingSupportingstandstandDialindicatorMicrometerheadorotherMirometerheadorotherlengthmeasuringunitlengthmeasuriguniSupportingstandWorktable(gaugeblock)DialindicatorDialindicatorDialindicatorSupportigSupportingstandstanduportingstandWorktableWorktableToppantype(gaugeblock)(gaugeblock)springscaleorforcegageDialidicatorDialindicatorSupportingSupportingstandstandToppantypeToppantypespringscaleorspringscaleorforcegageforcegageMulti-revolutiondialindicatorOne-revolutiondialindicatorandmulti-revolutiondialindicatorOne-revolutiondialindicatorandmulti-revolutiondialindicatorRetraceerrorRepeatabilityMeasuringforceItemModelIndicationerrorovertheentiremeasuringrange1/10revolutionindicationerrorOne-revolutiondialindicatorandmulti-revolutiondialindicator1/2revolutionindicationerror1revolutionindicationerrorIndicationerrorDialIndicators,DigitalIndicatorsandTestIndicatorsDialIndicatorStandardB7503:2017(ExtractfromJIS/JapaneseIndustrialStandards)*1:Forhowtoreadtheindicationerror,eitherreadtheinputquantityofthemeasuringinstrumentaligningthelonghandtothegraduation,orreadtheindicationvalueofthedialindicatoraccordingtothemovingamountofthemeasuringinstrument.*2:Withtheone-revolutiondialindicator,readtheindicationerrorper10graduations.*3:Withtheone-revolutiondialindicator,obtainthemaximumdifferenceoftheindicationerrorintheintervalofadjacent10graduations.Mitutoyo'sResponsetoDialIndicatorJISB7503:2017Weguaranteetheaccuracyofcompletedproductsbyinspectingthemintheverticalposture.Standard-attachedinspectioncerticateincludesinspectiondata.Weissuepaid-forcalibrationresultsforhorizontaloroppositepostureifrequired.13-31Indicators
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