>> P.30
ClassicationofGaugeBlocksbyShapeMitutoyobroadlydividesgaugeblocksintotwocategoriesaccordingtotheblockshape.RectangulargaugeblocksSquaregaugebNominalsize-0.05-0.29m*3.00-30or35m*Dependsonthenominalsize.Morethan10mm:35mm10mmorless:30mmHoleø6.7Allstandardlongblocks125mmormorehavetwocouplingholesonthebody.Nominalsize±0.124.1Squaregaugeblocks1.0±24.1Holeø6.725±0.5Airypointmarkers25±0.5LongrectangulargaugeblocksMitutoyoGaugeBlocksandInspectionCerticatesACerticateofInspectionisfurnishedwithallMitutoyogaugeblockswithaserialnumberonthebox(inthecaseofsets)andanidenticationnumberoneachblock.Thedeviationofeachblockfromnominallength,atthetimeofinspection,isstated.Forthisinspection,eachgaugeblockismeasuredrelativetotheupperlevelmasterusingagaugeblockcomparator.GradeKgaugeblocksaremeasuredbyaprimarymeasurementmethodusinganinterferometer.Nominalsize(L)2×ø10L×0.21135–0.30–0.059–0.2GaugeBlocksFeaturesandAccuraciesFeaturesofMitutoyogaugeblocksMitutoyooffersgaugeblocksforuseaslengthstandardsthatarefullydomesticallymanufacturedatourplantinJapanandhighlytrustedworldwidefortheiraccuracy,quality,anddurability.Theyareavailableinthreetypes:steelrectangulargaugeblocks,ceramicrectangulargaugeblocks(CERABlocks),andsteelsquaregaugeblocks.Inaddition,tungstencarbiderectangulargaugeblocksandtungstencarbidesquaregaugeblocksareavailableasprotectors.Selecttherightgaugeblocksdependingontheconditions,environment,andapplicationofuse.AccuracyOurcalibrationtechniquecombinedwithestablishedtraceabilitytotheJapanesenationalstandardensuresthathighlyreliableproductsaredelivered.Weensurethetraceabilityofallourgaugeblocksandguaranteetheiraccuracybasedonthenationalstandard,soyoucanfeelcondentwhenusingthem.WringingLappingmeasuringsurfacesisoneofMitutoyo’sspecialties.Ouradvancedtechnique,developedovermorethanhalfacentury,enablesustoachievetheoptimumatnessandsurfacenishneededforgaugeblocksandthusmaximizethewringingforce.AbrasionresistanceanddimensionalstabilityByadoptinghigh-carbon,high-chromesteelthatcansatisfyvariousmaterialcharacteristicsnecessaryforgaugeblocks,andthermallyprocessingitcarefullyandrepeatedlywithouradvancedtechnology,weproducehighlevelsofhardnessforreliableuseandminimizeagingdeteriorationasmuchaspossible.RectangulargaugeblocksNominalsize-0.05-0.20-CERABlocksProducedbyusingourultra-precisionprocessingtechnologyandceramicmaterialswithexcellentsurfacesmoothness,CERABlocksfeaturethefollowingadvantagesnotdeliveredbysteelblocks.30or35mm*93.0(2)NoBurrsCausedbyAccidentalMishandlingSincetheCERABlockisveryhard,itwillnotscratcheasilyandishighlyresistanttoburrs.Ifaburrisformed,itcaneasilyberemovedwithaceramicdeburringstone(Ceraston).(3)ExcellentabrasionresistanceCERABlocksare10timesmoreresistanttoabrasionthansteelblocksandthereforehavealongerlife(basedonin-housetestresults).AbrasionlossdataSteelTungstencarbideCERABlock2000400060008000Slidingdistance(m)0.40.2Abrasionloss(µm)0(4)DimensionalStabilityCERABlocksarehighlyresistanttodimensionalchangesovertime.(5)ClearlyMarkedSizesBlackcharacters,indicatingthenominallength,areinscribedbylaserandareclearlyvisibleagainstthewhitesurfaceoftheblock.(6)Non-magneticNaturePreventsSteelSwarfContamination(7)HighWringingForceSuperioratnessandsurfacenishprovidesmaximumwringingforce.(1)CorrosionResistantAnti-corrosiontreatmentisnotrequiredwhenhandlednormally(i.e.withngers),resultinginsimplemaintenanceandstorage.*Dependsonthenominalsize.Morethan10mm:35mm10mmorless:30mmProductcatalogE1200101-3
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