>> P.272
1N=0.102kgf=0.2248lbs.1mm=0.03937inchⅡ-222-PreloadAmount・AccuracyClass-56PreloadamountAccuracyclassStandardLightpreloadMediumpreloadHeavypreloadHighPrecisionSuperprecisionUltraprecision:Nosymbol:T1:T2:T3:H:P:SP:UPFordetailsofthepreloadamount,seeTable3.Fordetailsofaccuracyclass,seeTable4.(H)hHigPrecision(P)Superprecision(SP)Ultraprecision(UP)50010001500200025003000LengthoftrackrailLmm1.giFParallelisminoperation403020100ParallelismμmCAHDNBClass(classificationsymbol)ItemDim.HtoleranceDim.NtoleranceDim.variationofH(1)Dim.variationofN(1)ParallelisminoperationoftheslideunitCsurfacetoAsurfaceParallelisminoperationoftheslideunitDsurfacetoBsurfaceunit:mmHigh(H)±0.040±0.0500.0150.020PrecisionSuperUltraprecisionprecision(P)±0.020±0.0250.0070.010(SP)±0.010±0.0150.0050.007(UP)±0.008±0.0100.0030.003SeeFig.1SeeFig.1Note(1)Itmeansthesizevariationbetweenslideunitsmountedonthesametrackrail.Table3PreloadamountItemPreloadsymbolPreloadtypeStandard(Nosymbol)LightpreloadMediumpreloadHeavypreloadT1T2T3PreloadamountN(1)00.02C00.05C00.08C0Operationalconditions・・・・・・・・・LightandprecisemotionAlmostnovibrationsLoadisevenlybalancedLightandprecisemotionMediumvibrationMediumoverhungloadOperationwithvibrationand/orshockOverhangingloadappliedHeavycuttingNote(1)Indicateszeroorminimalamountofpreload.Remark:C0indicatesthebasicstaticloadrating.Table4Toleranceandallowance
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