>> P.66
Ⅱ-58LoadRatingandAllowableLoadAccuracyIndicatevaluesfordowndirectionforloadratingofCRWUGandCRWUseries.Inaddition,theupwardandlateralloadratingisthesameasdownwardloadrating.Formoreinformationonthedefinitionofloadratingandcalculatedload,seepageⅢ-3.C,C0,FFig.1DirectionofloadratingT0Fig.2DirectionofstaticmomentratingAccuracyofCRWUGseriesandCRWUseriesisindicatedinTable2.Parallelismatthecenterofthetablerepresentsparallelismofheightwhenthetableisstroked.Parallelismatthesideofthetablerepresentsparallelismoftheside(preloadadjustingscrewside)whenthetableisstroked.Inaddition,thoughallowanceofunitheightHisdesignedas±0.1mm,unitswithheightvariationoflessthan0.01mmamongmultipleunitsarealsoavailable.Whenspecialaccuracyisneeded,contactIKO.Table2Runningaccuracyunit:μmUnitlengthLmmParallelismatthetablecenterParallelismonthetablesideOverIncl.-5024501002510016036160310373105104851071049710-510AllowableloadAllowableloadreferstoloadofsmoothrollingmotiononcontactsurfacetowhichmaximumcontactstressisappliedandthesumofwhoseelasticdeformationofrollingelementsandracewayissmall.Therefore,useappliedloadwithintheallowableloadrangeifverysmoothrollingmotionandhighaccuracyarerequired.
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