>> P.155
DustProtectionTheslideunitsofMHseriesandLWHseriesareequippedwithendsealsandundersealsasstandardfordustprotection.However,iflargeamountofcontaminantordustarefloating,oriflargeparticlesofforeignsubstancessuchaschipsorsandmayadheretothetrackrail,itisrecommendedtocoverthewholeunitwithbellowsortelescopetypeshield,etc.MHseriesandLWHseriesareprovidedwithspecificbellows.Thebellowsareeasytomountandprovideexcellentdustprotection.Ifneeded,pleaserefertoⅢ-26forordering.And,trackrailmountingfrombottomwithnomountingholeontheuppersurfaceofthetrackrail(Figure3)isalsoavailable.Ifneeded,contactIKO.PrecautionforUse❶Mountingsurface,referencemountingsurfaceandtypicalmountingstructureWhenmountingtheMHseriesandLWHseries,properlyalignthereferencemountingsurfacesBandDofthetrackrailandslideunitwiththereferencemountingsurfaceofthetableandbedandfixthem.(SeeFig.4.)ThereferencemountingsurfacesBandDandmountingsurfacesAandCarepreciselyground.Machiningthemountingsurfaceofthetableandbed,suchasmachineordevice,tohighaccuracyandmountingthemproperlywillensurestablelinearmotionwithhighaccuracy.Referencemountingsurfaceoftheslideunitistheoppositemark.Thetrackrailreferencemountingsideofthesurfaceisidentifiedbylocatingthemarkonthetopsurfaceofthetrackrail.Itisthesidesurfaceabovethemark(inthedirectionofthearrow).(SeeFig.5.)DCASlideunitFemalethreadsformountingTrackrailmountingfrombottom3Trackrailmountingfrombottomspecification.giFTrackrailSlideunitReferencemountingsurfaceDBMarkMarkFlangetype,blocktype,andcompactblocktypeTrackrailMarkReferencemountingsurfaceBMarkSlideunitHorizontalmountingtypeDReferencemountingsurface5Referencemountingsurface.giF❷ShoulderheightandcornerradiusofthereferencemountingsurfaceFortheoppositecornerofthematingreferencemounting,itisrecommendedtohaverelievedfilletasindicatedinFig.6.RecommendedvaluefortheshoulderheightandcornerradiusonthematingsideisindicatedinTable17.B4Referencemountingsurfaceandtypicalmountingstructure.giFⅡ-1056Cornerofthematingreferencemounting.giF
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