>> P.252
ReferencelineCReferencelineCReferencelineDReferencelineDArithmeticalAverage/MovingAverageXXArithmetical/movingaveragemodesareprovidedtoobtaintheaverageofmeasurementvalues.OnthistypeofLSMeitherofthemcanbespecifiedbeforestartingmeasurement.Inthearithmeticalaveragemode,thenumberofscansoverwhichtotakeanaveragingcanbesetatoneoftwelvestepsbetween2(0.64ms)and2048(0.64sec).Inthemovingaveragemodethenumberofscanscanbesetatoneofsevenstepsbetween32(0.01sec)and2048(0.64sec),andthemeasurementvaluewillbeupdatedeverysixteenscansonandafterthesecondmeasurement,irrespectiveofthespecifiednumberofscansforaveraging.Thelattermodeissuitableforjudgingthetrendinthediameterorwidthofanendlessworkpiecesuchaswireortapefromameasurementthatrequiresalongperiod.RereeplaneAYReernceplaneBReferenceplaneAReferenceplaneBYMeasurementusingSegmentSpecificationReferenclineCReferenlineCReferencplaneAReferenplaneAThefollowingconventionsareusedtosetuptothemaximumofsevensegments.However,ifthetransparentobjectmeasuringmodeisset,nomorethanthreesegmentscanbesetatonetime.Seg.1Seg.2Seg.3Seg.4Seg.5Seg.6Seg.7Seg.1Seg.2Seg.3Seg.4Seg.5Seg.6Seg.7■TheoutsidediameterofawireorcylindricalworkpiececanbemeasuredbyusingSeg.2.■TheoutsidediameterofalargeworkpiececanbemeasuredbyusingSeg.1andSeg.5inadual-unitconfiguration.(onlywithLSM-6200).Seg.1Seg.1Seg.5Seg.5DD■Measurementofspacingoftwoparallelpins(pitchmeasurement)Pitch=((Seg.2+Seg.4)/2)+Seg.3Workpiece1Workpiece1Seg.1Seg.2Seg.3Seg.4Seg.5Seg.1Seg.2Seg.3Seg.4Seg.5Workpiece2■TheRunoutofarevolvingworkpiececanWorkpiece2beobtainedbyobservingthevariationinSeg.1whichismeasuredagainstastationaryreferencepin.RotationRotationSeg.1Seg.1MovementduetoRunoutMovementduetoRunoutReferencepinReferencepin■IfdimensionsinbothXandYdirections(min.distanceofX/Yscanningsection:10mm)aremeasuredthroughdual-unitmeasurement,useSeg.2andSeg.6(onlywithLSM-6200).XXYYSeg.5Seg.6Seg.7Seg.5Seg.6Seg.7SeSeg.1Seg.2Seg.3Seg.1Seg.2g.3LaserscanningdirectionEdge1AutomaticMeasurementusingEdgesTheedgescreatedbyscanningaworkpiececanbeusedtoprogramanLSM.Amaximumof127workpiecefeatures,and127ofthespacesbetweenthesefeatures,canbeusedwhichinvolvesatotalof255edges.ThisismostusefulformeasuringsuchthingsasICchipleadsorconnectorpinsthatareapproximatelyequallyspaced.Thismethodcannotbeappliedtotransparentobjects.Pin1Pin2Pin3Pin126Pin127-0015-0ø6+0.1ø6+01ø10h7+0ø10h7+0-0○BA○B○○C-0.015ø12+0ø12ø○CD○A○Edge2Edge3Edge4Edge5Edge6Edge7Edge253Edge254Measuringprocedure:MthedimensionsnumberMeasuringprocedure:Ⓓ,performtolerancejuthedimensionsnumbandstatisticallyprocessⒹ,performtoleranceresultingdataforeveryandstatisticallyprocessamplesdefinedasoneresultingdataforeversamplesdefinedasonEdge255Edge26ブレ回転によるDisplayUnitLSM-5200/6200/6902HFunctionsMeasuringSetupMemoryThemeasuringsetupcanberegisteredasaprogramandsaved(LSM-5200:2programs,LSM-6200:100programs,LSM-6902H:10program).Theseprogramscanberecalledwithasingleoperation.MultipleCalibrationDataMemoryFunctionThisfunctionallowsstorageof10typesofcalibrationdata.Inthisfunctionmode,upto10setsof10programsareavailableinhand.•10programs(apieceofcalibrationdata)X10sets*LSM-6200canonlysupportthisfunction.Drill/Endmill(oddnumberflute)diametermeasurementThediameterofdrillsorendmillsthathaveanoddnumberofflutescanbemeasuredbyusingthemax/minvaluefunction.ReferencebarOddnumberflutetoolSEG1(Min.)DSEG1+2(Max.)D=[SEG1+2(Max.)]-[SEG1(Min.)]MeasurementModeSettingFunctionItispossibletosetmeasurementmodessuchasnormal,maximum,minimum,amplitude,andsamplemeasurementaccordingtodifferentworkpieces,andthesesettingscanbesavedasaprogram.Preset/OffsetSetsthecurrentlydisplayedmeasurementvaluetozerooraspecifiednumericvalue.Thisisuseful,forexample,ifadifferenceinthediametersofareferencegageandaworkpieceistobeallowedforincalibration,orifadimensionofaworkpiecethatexceedsthemeasurementrangeoftheLSMistobemeasured.MasteringForcontinuousprocessingofhigh-precisionworkpieces,fine-adjustingthepresetoroffsetvalueiscalledmastering.Byspecifyingamasteringvaluethetotalcorrectionwillbe(zero-set/offsetvalue)+(±masteringvalue).Ifapositivemasteringvalueisspecified,thedisplayedvalueforaworkpiecediametermeasurementwillbegreaterthantheactualvalue:ifanegativevalueisspecified,thedisplayedvaluewillbesmallerthantheactualvalue.SampleMeasurementOnasamplemeasurementthenumberofmeasurementswillbedefined(intherangeof2to999)inadvance.Fromthissamplemeasurementvariouscalculationresults(mean,maximum,minimum,andrange)canbederived.Thesemeasurementscanbeusedforrunoutmeasurementsonarevolvingworkpieceandsimplifiedcylindricitymeasurements.5-39AutomaticWorkpieceDetectionThisfunctionautomaticallystartsmeasurementwhenaworkpieceadvancesintothespecifiedmeasuringarea.基準軸Seg.2Seg.2
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