>> P.239
DustProtectionPrecautionforUseⅡ-189TheslideunitsofMXseriesandLRXseriesareequippedwithendsealsandundersealsasstandardfordustprotection.However,iflargeamountofcontaminantordustarefloating,oriflargeparticlesofforeignsubstancessuchaschipsorsandmayadheretothetrackrail,itisrecommendedtocoverthewholeunitwithbellowsortelescopetypeshield,etc.MXseriesandLRXseriesareprovidedwithspecificbellows.Thebellowsareeasytomountandprovideexcellentdustprotection.Ifneeded,pleaserefertoⅢ-26forordering.Alsotherailcoversheettocoverthemountingholeoftrackrail(Fig.3)andtrackrailmountingfrombottomwithnomountingholeontheuppersurface(Fig.4)areavailable.Ifneeded,pleasecontactIKO.Fig.3RailcoversheetFig.4TrackrailmountingfrombottomspecificationFixingboltforendcoverFixingboltforendcoverEndcoverEndcoverRailcoversheetRailcoversheetspecificationtrackrailSlideunitFemalethreadsformountingTrackrailmountingfrombottom❶ountingsurface,referencemountingsurfaceandtypicalmountingstructureWhenmountingtheMXseriesandLRXseries,properlyalignthereferencemountingsurfacesBandDofthetrackrailandslideunitwiththereferencemountingsurfaceofthetableanendbedandfixthem.(SeeFig.5.)ThereferencemountingsurfacesBandDandmountingsurfacesAandCarepreciselyground.Machiningthemountingsurfaceofthetableandbed,suchasmachineordevice,tohighaccuracyandmountingthemproperlywillensurestableliarmotionwithhighaccuracy.Referencemountingsurfaceoftheslideunitistheoppositesideofthemark.Thetrackrailreferencemountingsurfaceisidentifiedbylocatingthemarkonthetopsurfaceofthetrackrail.Itisthesidesurfaceabovethemark(inthedirectionofthearrow).(SeeFig.6.)Fig.5ReferencemountingsurfaceandtypicalmountingstructureFig.6Referencemountingsurface❷FixingtheslideunitSlideunitisalsoprovidedwithmountingholesinthemiddleofwidthdirection(seeFig.7)andsomeproductshavethearrangementtoreceivetheappliedloadinagoodbalance.Whendesigningmachinesorequipment,considerthearrangementsothatthemountingholesinthemiddleofslideunitcanalsobeusedtofixtheunits,tousethehighestperformanceoutoftheproduct.Tofixtheslideunitofcompactblocktypeorlowprofileblocktype,werecommendtosecurethefixingthreaddepthofTable16.1andTable16.2.Also,withthelowprofileflangetypeandlowprofileblocktype,makesurethatthefixingthreaddepthforthemountingscrewinthemiddleofslideunitwidthdirectionshouldbelessthanthemaximumfixingthreaddepthofthedimensiontable.Fig.7SlideunitmiddlemountingholeCADBDBMarkMarkTrackrailSlideunitReferencemountingsurfaceSlideunitMiddlemountinghole
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