>> P.217
PrecautionforUse❶RacewayRecommendedvaluesforsurfacehardnessandroughnessofmatingracewayareshowninTable4andtherecommendedvaluefortheminimumeffectivehardeningdepthisshowninTable5.❸StrokelengthandretainerlengthMovementinalineardirectionasinFig.3willmovetheFlatRollerCageinthesamedirectionbyonehalfofthemovementamount.Therefore,waylength,strokelengthandretainerlengtharecorrelatedasfollows:(1)+LS2L1=Table4SurfacehardnessandroughnessofracewayItemRecommendedvalueRemarkSurfacehardnessSurfaceroughness58～64HRC0.2μmRaorlower(0.8μmRyorlower)Whenthesurfacehardnessislow,multiplytheloadratingbyhardnessfactor(1).Whereaccuracystandardislow,around0.8μmRa(3.2μmRy)isalsoallowed.where,L1:Waylength,mmmmS:Strokelength,L:Retainerlength,mmLSS/2L1.giF3❹OperatingtemperatureIftheretainerismadeofsteel,itcanwithstandhighertemperature.However,inanenvironmentifyouuseexceeding100˚C,pleasecontactIKO.Theretainermadeofsyntheticresincanwithstandupto100˚C.Forcontinuousoperation,pleasekeepitunder80˚C.itNote(1)Forhardnessfactor,refertoFig.3inpageⅢ-5.Table5Minimumeffectivehardeningdepthofracewayunit:mmRollerdiameterOver-34581014.142Incl.34581014.14220Recommendedvalueforminimumeffectivehardeningdepth0.50.81.01.52.02.53.5❷Whenusedforbedsurfaceand90°VsurfaceAftercompletelappingasindicatedinFig.2,mountFTtoFTW…VA,orFT…VtoFTW…A.CombinationofFlatRollerCageatthispointisindicatedinTable6.90°FTW5035VAFT50432.giFExampleofuseonflatsurfaceand90°VsurfaceTable6CombinationofFlatRollerCageunit:mmCombinationNumberForflatsurfaceFor90°VsurfaceIdentificationnumberRollerdiameterDwIdentificationnumberRollerdiameterDwFT4030FT4035FT5038FT5043FT10060VFT10060VFT10080FT200100VFT20012044557.0717.0711014.14220FTW4030VAFTW4030VAFTW5035VAFTW5035VAFTW5045AFTW5050AFTW10070VAFTW10095AFTW200120VA2.8282.8283.5353.535557.0711014.142123456789Ⅱ-209
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