>> P.560
Lever-operateddialindicatorSupportingstandMicrometerheadolengthmeasuringunitLever-operateddialindicatorSupportingstandLever-operateddialindicatorToppantypespringscaleMulti-revolutionOver1.0,upto1.616105530.50.01Indicationerrorovertheentiremeasuringrange(intheforwarddirection)10graduationsindicationerror1revolutionindicationerror1234Retraceerror5Repeatability6MeasuringforceHoldingthedialtestindicator(levertype),definethereferencepointatnearthecontactpointrestingpointwheretheindicationanderrorofindicationissetzero.Then,movethecontactpointintheforwarddirectionandreadtheerrorofindicationateachmeasuringpoint.Next,aftermovingthecontactpointformorethanthreegraduationsfromtheendofthemeasuringrange,movethecontactpointinthebackwarddirectionandreadtheerrorofindicationatthesamemeasurementpointintheforwarddirection.(Theforwarddirectionisthedirectionagainstthemeasuringforcetothecontactpointofthelever-operateddialindicator;thebackwarddirectionisthemeasuringforceapplieddirection.)Holdingthedialtestindicator(levertype)withitsstylusparallelwiththetopfaceofthemeasuringstage,movethecontactpointquicklyandslowlyfivetimesatadesiredpositionwithinthemeasuringrangeandreadtheindicationateachpoint.Holdingthedialtestindicator(levertype),movethecontactpointintheforwardandbackwarddirectionscontinuouslyandgradually,andreadthemeasuringforceinthemeasuringrange.Per10graduationsintheforwardandbackwarddirectionfromthereferencepointtotheendpoint.Obtainthedifferencebetweenthemaximumandtheminimumvaluesofindicationerrorofallmeasurementpointsintheforwarddirection.Intheforwarddirectionfromthereferencepointtotheendpoint,obtainthemaximumdifferenceoftheindicationerroramongtheadjacentmeasurementpointsper10graduations.Intheforwarddirectionfromthereferencepointtotheendpoint,obtainthemaximumdifferenceofthemaximumandtheminimumindicationerrorstobereadbythezero-pointfixedmethodoverthemeasuringrangeper1revolution.Obtainthemaximumdifferenceinreferencetotheindicationerroratthesamemeasuringpointinbothforwardandbackwarddirectionsamongallthemeasurementpoints.AtarbitrarypointswithinthemeasuringrangeObtainthemaximumdifferenceofthefivemeasuredvalues.ReferencepointandendpointwithinthemeasuringrangeObtainthemaximumandtheminimumvaluesinreferencetothemeasuringforce.●MaximumpermissibleerrorandpermissiblelimitsGraduation(mm)Revolution0.001/0.0021revolutionMulti-revolution0.011revolutionOver0.5,upto1.0L1≦3535<L19—5430.50.0110—5530.50.01Measuringrange(mm)0.3orlessIndicationerror(µm)Retraceerror(µm)Repeatability(µm)Measuringforce(N)Measuringrange(µm)Onerevolution10scaledivisions(µm)Max.Min.4—2310.50.01Over0.3,uptoOver0.5,upto0.5652410.50.010.6752410.50.010.5orless6—5430.50.01Indicators13-33DialIndicators,DigitalIndicatorsandTestIndicatorsLever-OperatedDialIndicatorStandardB7533:2015(ExtractfromJIS/JapaneseIndustrialStandards)No.Item.MeasuringmethodMeasuringpointEvaluationmethodDiagram
| < 
| 
> | 
>>
