>> P.86
AccuracyPreloadAccuracyoftheBWUseriesisindicatedinTable3andTable4.PreloadfortheBWUseriesisadjustedtoproperpreloadstate.Table3AccuracyMarkHNunit:mmItemToleranceandallowanceDim.HtoleranceDim.NtoleranceParallelismatthetablecenterParallelismonthetableside±0.040±0.050SeeTable4SeeTable4Table4Runningaccuracyunit:μmNominallengthLmmOver-5080Incl.5080120Parallelismatthetablecenter(1)Parallelismonthetableside(2)456689Notes(1)Parallelismatthecenterofthetablerepresentsparallelismofheightwhenthetableisstroked.(2)Parallelismatthesideofthetablerepresentsparallelismoftheside(theoppositesideoftableisstroked.mark)whentheLubricationGreaseisnotpre-packedintheBWUseries,sopleaseperformadequatelubricationasneeded.Upondelivery,anti-rustoilisapplied.Therefore,performcleaningwithcleansolutionbeforemountingandapplyhigh-qualitylubricationoilorgreasebeforeuse.Forgreaselubrication,useofhigh-qualitylithium-soapbasegreaseisrecommended.Sincenogreasenippleoroilholeisprovided,applygreasedirectlytotheracewaypartofthebedwhensupplyingthegrease.DustProtectionNodustprotectionsealisprovidedforBWUseries.Forapplicationsinotherthancleanenvironment,covertheentireunitwithaprotectivecase,etc.topreventharmfulforeignsubstancessuchasdustandparticlesfromoutsidefromentering.Ⅱ-78
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