>> P.155
Ⅱ-105DustProtectionPrecautionforUseTheslideunitsofMHseriesandLWHseriesareequippedwithendsealsandundersealsasstandardfordustprotection.However,iflargeamountofcontaminantordustarefloating,oriflargeparticlesofforeignsubstancessuchaschipsorsandmayadheretothetrackrail,itisrecommendedtocoverthewholeunitwithbellowsortelescopetypeshield,etc.MHseriesandLWHseriesareprovidedwithspecificbellows.Thebellowsareeasytomountandprovideexcellentdustprotection.Ifneeded,pleaserefertoⅢ-26forordering.And,trackrailmountingfrombottomwithnomountingholeontheuppersurfaceofthetrackrail(Figure3)isalsoavailable.Ifneeded,contactIKO.❶ountingsurface,referencemountingsurfaceandtypicalmountingstructureWhenmountingtheMHseriesandLWHseries,properlyalignthereferencemountingsurfacesBandDofthetrackrailandslideunitwiththereferencemountingsurfaceofthetableandbedandfixthem.(SeeFig.4.)ThereferencemountingsurfacesBandDandmountingsurfacesAandCarepreciselyground.Machiningthemountingsurfaceofthetableandbed,suchasmachineordevice,tohighaccuracyandmountingthemproperlywillensurestablelinearmotionwithhighaccuracy.Referencemountingsurfaceoftheslideunitistheoppositesideofthemark.Thetrackrailreferencemountingsurfaceisidentifiedbylocatingthemarkonthetopsurfaceofthetrackrail.Itisthesidesurfaceabovethemark(inthedirectionofthearrow).(SeeFig.5.)❷houlderheightandcornerradiusofthereferencemountingsurfaceFortheoppositecornerofthematingreferencemounting,itisrecommendedtohaverelievedfilletasindicatedinFig.6.RecommendedvaluefortheshoulderheightandcornerradiusonthematingsideisindicatedinTable17.Fig.5ReferencemountingsurfaceReferencemountingsurfaceBDTrackrailSlideunitReferencemountingsurfaceMarkTrackrailSlideunitBDFlangetype,blocktype,andcompactblocktypeHorizontalmountingtypeReferencemountingsurfaceMarkMarkMarkFig.6CornerofthematingreferencemountingFig.3TrackrailmountingfrombottomspecificationFemalethreadsformountingTrackrailmountingfrombottomSlideunitFig.4ReferencemountingsurfaceandtypicalmountingstructureBACD
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