>> P.28
Ⅱ-201N=0.102kgf=0.2248lbs.1mm=0.03937inchTable9AccuracyofmountingpartAccuracyofAsurface・Directlyaffectsrunningaccuracy.Fortheflatnessoftwomountingsurfacesontableandbedsides,allowablevalueapproximatetotheparallelismindicatedinFig.1inpageⅡ-11isrecommended.AccuracyofBandCsurfaces・FlatnessAffectspreload(referto❹Preloadadjustmentmechanism).Ⅱ-11AllowablevalueapproximatetotheparallelismindicatedinFig.1inpageⅡ-11isrecommended.・SquarenessAffectsrigidityinpreloaddirectionofthemountingpartoftheCRWGseries,CRWG…HseriesandCRWseries.Processtosufficientlyhighaccuracy.❸ShapeofmountingpartFortheoppositecornerofthematingreferencemounting,itisrecommendedtohaverelievedfilletasindicatedinFig.10.Inaddition,aclearanceof0.5mmorhighershouldbemadebetweenthewayandthematingmembermaterial.Fig.10Shapeofmountingpart❹PreloadadjustmentmechanismForusewithpreload,usethepreloadadjustingscrewasindicatedinFig.11asageneralway.Preloadadjustingscrewnominaldimensionsandmountingpositionshouldbeinaccordancewiththewayfixingboltdimensionsandposition.PressthecenterofthewayHdimensions.Preloadamountvariesdependingonoperationalconditionsofyourmachineanddevice.However,asexcessivepreloadmayleadtoshortlifeanddamageontheraceway,itistypicallyidealtoadjusttozeroclearanceorslightpreloadstate.Whenaccuracyandrigidityarerequired,useapushplateortaperedjibasindicatedinFig.12andFig.13,respectively.Fig.11Exampleoftypicalpreloadadjustment0.5orhigher0.5orhigherFig.12ExampleofpushplateFig.13Exampleoftaperedjib❺OperatingtemperatureAssyntheticresincomponentsareusedfortheCRWGseriesandCRWG…Hseries,themaximumoperatingtemperatureis120°C,whileitshouldbelowerthan100°Cforcontinuoususe.Whenitexceeds100°C,contactIKO.AssyntheticresincomponentsarenotusedfortheCRWseries,itmaybeusedathightemperature.However,whenitexceeds100°C,contactIKO.❻MaximumvelocityOperatingvelocityshouldbelowerthan50m/minfortheCRWGseriesandCRWG…Hseries,andlowerthan30m/minfortheCRWseries.❼TighteningtorqueforfixingscrewTypicaltighteningtorqueformountingoftheCRWGseries,CRWG…HseriesandCRWseriesisindicatedinTable10.Whenvibrationandshockarelargeormomentloadisapplied,itisrecommendedtofixbyusingthetorque1.3timeslargerthanthatindicatedinthetable.Inaddition,whenhighrunningaccuracyisrequiredwithnovibrationandshock,itmaybefixedbyusingtorquesmallerthanthatindicatedinthetable,however,itisrecommendedtouseadhesiveagenttofastenthescrew,ortousestopbolts.Table10TighteningtorqueforfixingscrewBoltsizeTighteningtorqueN・mRemark:henfixingscrewsusedonthetablesideandbedsidearenotidentical,fastenthemalltothesmallertighteningtorque.Highcarbonsteel-madescrewStainlesssteel-madescrewM1.6×0.350.20-M2×0.40.400.31M3×0.51.41.1M4×0.73.22.5M5×0.86.45.0M6×110.98.5M8×1.2526.1-M10×1.551.1-M12×1.7588.2-M14×2140-M16×2215-
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