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IdentificationNumberandSpecificationTable1ModelsandsizesofLMSseriesShapeExternalcylinderlengthMaterialtypeStandardLongHighcarbonsteelmadeStainlesssteelmadeHighcarbonsteelmadeStainlesssteelmadeSealstructureModelWithoutsealLMSWithtwoendsealsLMS…UUWithoutsealLMS…FWithtwoendsealsLMS…FUUWithoutsealLMSLWithtwoendsealsLMSL…UUWithoutsealLMSL…FWithtwoendsealsLMSL…FUUSize4○○○○○○○○3○○○○○○○○5○○○○○○○○RelationshipbetweenLoadRatingandBallRacewayPrecautionforUseTheloadratingofLMSseriesvariesaccordingtotheloadingdirectionandpositionofballraceway.ThedimensiontabledescribestwotypesofvaluesshowninFig.1.1andFig.1.2accordingtotheloadingdirectionandpositionofballraceway.Fig.1.1showsthecasewheretheloadingdirectionandballracewaypositioncoincideswitheachother,representingtheloadingdirectionAinthedimensiontable.Generally,thisisappliedwhentheballracewaypositioncannotbespecifiedtoindeterminatedirectionloadorloadingdirection.Fig.1.2showsthecasewheretheloadingdirectionispositionedbetweenballraceways,representingtheloadingdirectionBinthedimensiontable.Generally,thiscanbesubjectedtoloadbiggerthanloadingdirectionA.❶FittingofexternalcylinderRecommendedfitfortheLMSseriesisindicatedinTable2.Astheexternalcylinderisthin,useepoxytypeadhesiveagentforfixingtothehousinghole,insteadofpress-fitting.Table2RecommendedfitreloT(ancesofdimensionsforshaftandhousinghole)unit:μmAccuracyclassltemHighPrecisionShaft-6-14-4-9Housinghole+120+80❷RacewayLMSseriesoperateswithashaftasaracewaysurface,theshaftshouldbeheat-treatedandground.Recommendedsurfacehardness,roughness,andminimumeffectivehardeningdepthofshaftareindicatedinTable3.Table3Surfacehardness,roughness,andeffectivehardeningdepthofshaftItemRecommendedvalueRemarkSurfacehardness58～64HRCWhenthesurfacehardnessislow,multiplytheloadratingbyhardnessfactor(1).0.2μmRaorlower(0.8μmRyorlower)SurfaceroughnessEffectivehardeningdepthNote(1)Forhardnessfactor,refertoFig.3inpageⅢ-5.0.8mmorhigher--❸WhenaccompaniedbyrotationalmotionLMSseriesunitssupportonlylinearmotionbutdonotsupportrotationalmotion.Whenperformingrotationalmotionandlinearmotionofshortstrokelength,IKOMiniatureStrokeRotaryBushingisrecommendedtobeused.LoadShaftLoadShaft1.1.giFLoadingdirectionA2.1.giFLoadingdirectionBLubricationGreaseisnotpre-packedintheLMSseries,sopleaseperformadequatelubricationasneeded.BothofoillubricationandgreaselubricationareavailableintheLMSseries.Forgreaselubrication,itistypicallyappliedlightlytotheshaftandeachrow.Useofhigh-qualitylithium-soapbasegreaseisrecommendedforthegreasetouse.RelatedProductsShaftforMiniatureLinearBushingTomakefulluseofperformanceoftheLMSseries,wealsooffershaftwithhighaccuracyforMiniatureLinearBushinggroundedafterheattreatment.Ifyouareinterested,contactIKO.Ⅱ-171❹InsertionofshaftWheninsertingashafttotheexternalcylinder,becarefulnottolettheshaftpriedopenasitmaycausedroppingofballsordeformationoftheretainer.❺Operatingtemperatureis120˚CandThemaximumoperatingtemperatureupto100˚Cisallowedforcontinuousoperation.Whenthetemperatureexceeds100˚C,contactIKO.temperature
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