>> P.483
K34112468251020501002001020406080Nmmmm/2pVs/0.20.51510501001500.050.10.20.30.40.5123458b3Vmm/s2Lifeofmaintenance-freetypePILLOBALLsPHS…EC・POS…EC[1]ConfirmationofpVvalueBeforeattemptingtocalculatethelife,makesurethattheoperatingconditionsarewithinthepermissiblerangebyreferringtothepVdiagraminFig.5.Whentheoperatingconditionsareoutofthepermis-siblerange,pleaseconsultIKO.ThecontactpressurepandslidingvelocityVareobtainedfromequations(3)and(4).Table8Loaddirectionalfactorb1andlubricationfactorb2forlubricationtypePILLOBALLsLoaddirectionalfactorb1LoaddirectionConstantAlternateNoneRegular15115Lubricationfactorb2PeriodicallubricationFig.3OscillatingangleFig.4SlidingvelocityfactorforlubricationtypePILLOBALLs[2]LifecalculationThelifeoflubricationtypePILLOBALLscanbecalcu-latedbythefollowingequations.G= 3.18b1b2b3 Cdt ×105 ……………(5)dkβ PLh= G ……………………………………(6)60fwhere, G:Life(Totalnumberofoscillations) b1:Loaddirectionalfactor(RefertoTable8.) b2:Lubricationfactor(RefertoTable8.) b3:Slidingvelocityfactor(RefertoFig.4.)Cdt: Dynamicloadcapacityconsideringtemperatureincrease,N(Refertoequation(1).) P:Equivalentradialload,N(Refertoequation(2).) Lh:Lifeinhours,h f:Numberofoscillationsperminute,min-1√￣￣()2 Fig.5pVdiagramformaintenance-freetypePILLOBALLRodEndsSlidingvelocityfactorSlidingvelocityLoaddirectionAlternateLoaddirectionConstantContactpressureSlidingvelocityPermissiblerangeOscillatingangleEEEEOscillatingangleK
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