>> P.272
Ⅱ-222-PreloadAmount・AccuracyClass-1N=0.102kgf=0.2248lbs.1mm=0.03937inchStandardLightpreloadMediumpreloadHeavypreload:Nosymbol:T1:T2:T3Fordetailsofthepreloadamount,seeTable3.HighPrecisionSuperprecisionUltraprecision:H:P:SP:UPFordetailsofaccuracyclass,seeTable4.Preloadamount5Accuracyclass6Table3PreloadamountItemPreloadtypePreloadsymbolPreloadamountNOperationalconditionsStandard(Nosymbol)0(1)・LightandprecisemotionLightpreloadT10.02C0・Almostnovibrations・Loadisevenlybalanced・LightandprecisemotionMediumpreloadT20.05C0・Mediumvibration・MediumoverhungloadHeavypreloadT30.08C0・Operationwithvibrationand/orshock・Overhangingloadapplied・HeavycuttingNote(1)Indicateszeroorminimalamountofpreload.Remark:C0indicatesthebasicstaticloadrating.Table4Toleranceandallowanceunit:mmClass(classificationsymbol)ItemHighPrecisionSuperprecisionUltraprecision(H)(P)(SP)(UP)Dim.Htolerance±0.040±0.020±0.010±0.008Dim.Ntolerance±0.050±0.025±0.015±0.010Dim.variationofH(1)0.0150.0070.0050.003Dim.variationofN(1)0.0200.0100.0070.003Dim.variationofHformultipleassembledsets0.0350.025--ParallelisminoperationoftheslideunitCsurfacetoAsurfaceSeeFig.1ParallelisminoperationoftheslideunitDsurfacetoBsurfaceSeeFig.1Note(1)tmeansthesizevariationbetweenslideunitsmountedonthesametrackrail.HCABDNFig.1Parallelisminoperation403020100LengthoftrackrailLmmHigh(H)Precision(P)Superprecision(SP)Ultraprecision(UP)50010001500200025003000Parallelismμm
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