>> P.96
Ⅱ-46PrecautionforUse❶HandlingAstronggriponthecirculationpipesoftheMLVseriesslideunit,willdistortthecirculationpath,whichmayaffecttheoperatingperformance;handlewithcare.❷ountingsurface,referencemountingsurfaceandtypicalmountingstructureWhenmountingtheMLVseries,properlyalignthereferencemountingsurfacesBandDofthetrackrailandtheslideunitwiththereferencemountingsurfaceofthetableandthebedandfixthem.(SeeFig.2)ThereferencemountingsurfacesBandDandmountingsurfacesAandCarepreciselyground.Machiningthemountingsurfaceofthetableandbed,suchasmachineordevice,tohighaccuracyandmountingthemproperlywillensurestablelinearmotionwithhighaccuracy.ReferencemountingsurfaceoftheslideunitistheuppersurfacewhenyouseethemarkontheCsurfaceinnormalposition.Thetrackrailreferencemountingsurfaceisidentifiedbylocatingthemarkonthetopsurfaceofthetrackrail.Itisthesidesurfaceabovethemark(inthedirectionthearrowpoint).(SeeFig.3)Fig.2ReferencemountingsurfaceandtypicalmountingstructureFig.3ReferencemountingsurfaceCABDTrackrailSlideunitMarkBDReferencemountingsurface❸houlderheightandcornerradiusofthereferencemountingsurfaceFortheoppositecornerofthematingreferencemounting,itisrecommendedtohaverelievedfilletasindicatedinFig.4.RecommendedvaluefortheshoulderheightonthematingsideisindicatedinTable6.Fig.4CornerofthematingreferencemountingTable6houlderheightandcornerradiusofthereferencemountingsurfaceSizeMountingpartofslideunitMountingpartoftrackrailShoulderheighth1CornerradiusR1(maximum)Shoulderheighth2CornerradiusR2(maximum)72.50.21.20.2930.21.50.21240.22.50.2❹TighteningtorqueforfixingscrewTypicaltighteningtorqueformountingoftheMLVseriestothesteelmatingmembermaterialisindicatedinTable7.Whenvibrationandshockofthemachineordevicearelarge,fluctuatingloadislarge,ormomentloadisapplied,fixitbyusingthetorque1.2to1.5timeslargerthanthevalueindicatedinthetableasnecessary.Ifthematingmembermaterialiscastironoraluminumalloy,reducethetighteningtorquedependingonthestrengthcharacteristicsofthematingmembermaterial.Table7TighteningtorqueforfixingscrewBoltsizeTighteningtorqueN・mStainlesssteel-madescrewM2×0.40.31M3×0.51.1Remark:hetighteningtorqueiscalculatedbasedonthepropertydivisionA2-70.R₂R₁R₂h₂h₁R₁MountingpartoftrackrailMountingpartofslideunit1N=0.102kgf=0.2248lbs.1mm=0.03937inch
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