>> P.129
LubricationPrecautionforUseDustProtectionⅡ-121Lithium-soapbasegreasewithextreme-pressureadditive(AlvaniaEPGrease2[ShellLubricantsJapanK.K.])ispre-packedinMAGandLSAGseries.Additionally,MAGserieshasC-Lubeplacedintherecirculationpartofballs,sothattheintervalforreapplicatinglubricantcanbeextendedandmaintenanceworkssuchasgreasejobcanbereducedsignificantly.Performre-greasingasbelow.(1)Size2,3,and4seriesSpecifyeitherdirectapplicationofgreasetothesplineshaftracewaysurfaceoroilholespecification(/OH).Notethattheoilholespecification(/OH)isnotavailablefortheSize2series.(2)Size5andhigherseriesApplygreasedirectlytothesplineshaftracewaysurfaceortherollingelements.Youmayalsospecifytheoilholespecification(/OH).TheexternalcylindersofMAGandLSAGseriesareequippedwithspecialrubbersealsasstandardfordustprotection.However,iflargeamountofcontaminantordustarefloating,oriflargeparticlesofforeignsubstancessuchaschipsorsandmayadheretothesplineshaft,itisrecommendedtoattachaprotectivecovertothelinearmotionmechanism.TheSize2,3,and4seriesarenotprovidedwithseals.IftheSize3and4serieswithsealsisneeded,contactIKO.❶FittingofexternalcylinderGenerally,transitionfit(J7)isusedforfittingbetweentheexternalcylinderandthehousingbore.Whenhighaccuracyandhighrigidityarenotrequired,clearancefit(H7)canalsobeused.❷TypicalmountingstructureMountingexamplesoftheexternalcylinderareshowninFig.1.TherotationdetentforexternalcylindersoftheSize2,3,and4seriesshouldbemountedusingthecountersinkprovidedontheexternalcylinder.UsescrewsM1.2toM1.6forSize2,M1.6toM2forSize3,andM2toM2.5forSize4.Atthispoint,becarefulnottodeformtheexternalcylinderwithscrews.Fig.1Mountingexamplesofexternalcylinder❸MultipleexternalcylindersusedincloseproximityWhenusingmultipleexternalcylindersincloseproximity,greaterloadmaybeappliedthanthecalculatedvaluedependingontheaccuracyofthemountingsurfacesandreferencemountingsurfacesofthemachineordevice.Insuchcases,allowanceforgreaterappliedloadthanthecalculatedvalueshouldbemade.Iftwoormoreexternalcylindersareassembledonasplineshaftandtwoormorekeysareusedtofixtherotationaldirectionoftheexternalcylinder,thekeywaypositionoftheexternalcylindersarealignedbeforedelivery.PleasecontactIKO.Rotationdetentforexternalcylinderforsize2,3and4Mountingexampleforstandardtype(Oilhole/OHspecification)Mountingexampleforflangetype(Oilhole/OHspecification)
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