>> P.543
AiryandBesselPointsWhenalengthstandardbarorinsidemicrometerlieshorizontally,supportedassimplyaspossibleattwopoints,itbendsunderitsownweightintoashapethatdependsonthespacingofthosepoints.InsideMeasuringInstrumentsReferencePointSetting(2-pointGages)Conductreferencepointsettingwitharinggageorcylindermastergage.Insertswingtheboregage,andsetthepointwheretheindicatorreadsthemaximumvalueasthereferencepoint.ringgage,verticallyorhorizontallytheboregageintothe01020300102030ℓaAirypoints(a≒0.577ℓ)0ABABTheendsofabar(ormicrometer)canbemadeexactlyhorizontalbyspacingthetwosupportssymmetricallyasshownabove.ℓaBesselpoints(a≒0.559ℓ)Thechangeminimizedbyspacingthetwosupportssymmetricallyasshownabove.(ormicrometer)duelengthofabartobendingcanbeinInsideMeasuringInstrumentsTipradiusRthatcanmeasuretheminimumdiameter(differentforeachsize)W=1ormoreℓTipradiusRthatcanmeasuretheminimumdiameter(differentforeachsie)W=1ormoreR=0.5ormoreℓCanmeasurethediameterofvariouslyshapedinsidegroovesandsplines.Minimummeasurablegroovediameter:Approximately16mm(differsdependingontheworkpieceprofile.)DimensionForW=lessthan2mm:shouldbeasfollows:=lessthan2mmW=0.5ormoreTipradiusRthatcanmeasuretheminimumdiameter(differentforeachsize)ℓ45°ormoreR=0.3ormoreForW=2mmormore:=2mmasthestandardvaluewhichcanbemodifiedaccordingtocircumstances.Thenumberofsplinesorserrationsislimitedtoamultipleof3.Detailsoftheworkpieceprofileshouldbeprovidedatthetimeofplacingacustom-order.Ifyourapplicationneedsameasuringrangedifferentfromthatofthestandardinsidemicrometeranadditionalinitialcostforthemasterringgagewillberequired.øDødrH1H2øDødHrHrDøødDøarødCanmeasuretheeffectivediameterofaninternalthread.Measurableinternalthreadsarerestrictedaccordingtothetype,nominaldimension,andpitchofthethread.PleasecontactMitutoyowiththespecificationofthethreadtobemeasuredforadvice.øDSquaregrooveRoundgrooveSplineSerrationScrewCustom-orderedProducts(Holtest/Borematic)Mitutoyocancustom-buildaninsidemicrometerbestsuitedtoyourspecialapplication.PleasefeelfreetocontactMitutoyoaboutthepossibilities-evenifonlyonecustom-manufacturedpieceisrequired.Pleasenotethat,dependingoncircumstances,suchamicrometerwillusuallyneedtobeusedwithamastersettingringforaccuracyassurance.(Acustom-orderedmicrometercanbemadecompatiblewithamasterringsuppliedbythecustomer.PleaseconsultMitutoyo.)TypeWorkpieceprofile(example)Contactpointtipprofile(example)Remarks*Mitutoyowillmanufactureproductstoaccommodateotherapplications.*Prices,deliverytimes,andotherdetailswillvarydependingonthenatureandcontentofthespecialorder.*PleasecontactyournearestMitutoyosalesofficefororders.13-16
| < 
| 
> | 
>>
