>> P.497
K481Tighteningdepthtisrecommendedthatthetighteningdepthofthescrewintothebodyismorethantwicethenominaldiameterofthread.2AllowabletiltingangleheallowabletiltingangleisshowninTable4.■SelectionofL-BallsThestaticloadcapacityandmaximumoperatingloadofL-Ballsaredeterminedinconsiderationofthestrengthoftheballstudandthebody.Accordingly,L-BallsareselectedonthebasisofthestaticloadcapacityCsshowninthedimensiontableandthemaximumoperatingloadshowninTable3.StaticloadcapacityThestaticloadcapacityCsshowninthedimensiontablerepresentstheallowableaxialforceFwhichisdeterminedbythemechanicalstrengthoftheball-studatthesection'A'underthebendingmomentduetotheforceFasillustratedinFig.1.IfFincreasesbeyondthestaticloadcapacity,deformationwillbeginatA,leadingtobreakage.MaximumoperatingloadThestrengthofthebodymustalsobetakenintocon-siderationwhenL-Ballsareoperatedinahigh-tem-peratureorlow-temperatureatmosphereorreceiverepetitiveloadsoflongdurationorshockloads.AguidelineformaximumoperatingloadofL-BallsisshowninTable3.WhenthefixingboltinthemainbodyisfixedandaloadisappliedinthedirectionofF′,thebendingstressinthefixingboltmustbetakenintoconsideration.■LubricationLHSAisprepackedwithlubricatinggreaseALVANIAGREASES2(ShellLubricantsJapanK.K.).LHSisnotprovidedwithprepackedgrease.Performproperlubrication.OperatingLHSwithoutlubricationwillincreasethewearoftheslidingcontactsurfaceorcauseseizure.■OperatingTemperatureRangeThemaximumallowabletemperatureforL-Ballsis+80℃.■PrecautionsforUseTable4AllowabletiltingangleNominaldia. mmVLHSAαLHSα45681012141618202215171718191920-----15171819192020212021unit:degreeTable3MaximumoperatingloadIdentificationnumberMaximumoperatingloadIdentificationnumberMaximumoperatingloadLHSA4LHSA5LHSA6LHSA8LHSA10LHSA10MLHSA12LHSA14--8401180108019002170217027903540--LHS5LHS6LHS8LHS10LHS12LHS14LHS16LHS18LHS20LHS22880108016302100262031903820461053406460unit:NFig.1AααVFF′K
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