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Ⅱ-186Table2ToleranceandallowanceNominaldimensionsofoutsidediameterofexternalcylindermmToleranceofoutsidediameterofexternalcylinderμmRadialrunoutofoutsidediameterofexternalcylinderμmToleranceoflengthofexternalcylinderandshaftmmOverIncl.HighLow360-58±0.16100-610180-818300-99Table3Selectioncodeandtoleranceunit:μmSelectioncodeToleranceofborediameterofexternalcylinderToleranceofinscribedcirclediameterToleranceofshaftdiameterHighLowHighLowHighLowM1-1-3-1-30-1M2-2-4-2-4-1-2M3-3-5-3-5-2-3Accuracy❶FittingTheSTSIseriesisassembledtoslightpreloadstatetoobtainhighmotionaccuracy.UseexternalcylinderandhousingholeoftheSTSIserieswithclearancefittoavoidanyeffectofpress-fittingoninscribedcirclediameter.Inaddition,forcombinationofanexternalcylinder,aballcageandashaft,selectanexternalcylinderandashaftwiththesameselectioncodetobecombinedwithaballcage.❷OperatingtemperatureThemaximumoperatingtemperatureis120˚Candtemperatureupto100˚Cisallowedforcontinuousoperation.Whenthetemperatureexceeds100˚C,contactIKO.❸MountingTypically,tofixtheexternalcylinderandhousinghole,theexternalcylinderendisfixedtotheaxialdirectionwithstopringoradhesiveagentisused.Theballcageismountedthroughtheshaftaftertheexternalcylinderisfixedtothehousinghole.Atthispoint,mountingbecomeseasieriftheballcageisshiftedbyonehalfofassemblyinsertionamountoftheshaftininsertdirectionoftheshaftsothattheballcageispositionedattheregularpositionaftermounting.❹InsertionofshaftWheninsertingashaftintoanexternalcylinder,becarefulnottopryopenorgiveshocktotheshaft.PrecautionforUseLoadratingoftheSTSIseriesrepresentsthevalueobtainedwhenloadisevenlydistributedwithouttheballincorporatedintheballcagebeingdroppedfromtheexternalcylinderandshaftend.LoadRatingGreaseisnotpre-packedintheSTSIseries,sopleaseperformadequatelubricationasneeded.BothofoillubricationandgreaselubricationareavailableintheSTSIseries.Forgreaselubrication,itistypicallyappliedlightlytotheshaftandracewayoftheexternalcylinder.Useofhigh-qualitylithium-soapbasegreaseisrecommendedforthegreasetouse.Lubrication
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