>> P.86
AccuracyPreloadⅡ-78AccuracyoftheBWUseriesisindicatedinTable3andTable4.Table3Accuracyunit:mmItemToleranceandallowanceDim.Htolerance±0.040Dim.Ntolerance±0.050ParallelismatthetablecenterSeeTable4ParallelismonthetablesideSeeTable4Table4Runningaccuracyunit:μmNominallengthLmmParallelismatthetablecenter(1)Parallelismonthetableside(2)OverIncl.-50465080588012069Notes(1)arallelismatthecenterofthetablerepresentsparallelismofheightwhenthetableisstroked.(2)arallelismatthesideofthetablerepresentsparallelismoftheside(theoppositesideofmark)whenthetableisstroked.MarkNHPreloadfortheBWUseriesisadjustedtoproperpreloadstate.Greaseisnotpre-packedintheBWUseries,sopleaseperformadequatelubricationasneeded.Upondelivery,anti-rustoilisapplied.Therefore,performcleaningwithcleansolutionbeforemountingandapplyhigh-qualitylubricationoilorgreasebeforeuse.Forgreaselubrication,useofhigh-qualitylithium-soapbasegreaseisrecommended.Sincenogreasenippleoroilholeisprovided,applygreasedirectlytotheracewaypartofthebedwhensupplyingthegrease.NodustprotectionsealisprovidedforBWUseries.Forapplicationsinotherthancleanenvironment,covertheentireunitwithaprotectivecase,etc.topreventharmfulforeignsubstancessuchasdustandparticlesfromoutsidefromentering.LubricationDustProtection
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