thk轴承-link ball(en)13页

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1、LinkBall®ShankwithaballHolderBootFig.1StructureofLinkBallModelBLStructureandFeaturesWiththeLinkBall,ahighlyaccuratebearingsteelballusedinthesphericalareaisfirstencasedintheholderbydiecastmolding,andthenisspeciallyweldedwiththeshank.Thisuniqueprocessenablesthem

2、irrorsurfaceofthesteelballtobetransferredorduplicatedonthesphericalsurfaceinsidetheholdertoensurefullcontactbetweentheballandtheholder.Asaresult,smoothmotionisachievedwithaminimumclearance.●CompactDesignModelALhasanadequatelyfirmandyetextremelycompactshapebeca

3、useofhighlybalanceddesign.TogetherwithuseofanA-1alloy,thecompactdesignhasachievedweightsaving.Thus,thismodelisoptimalforuseinthestabilizerconnectingrodandthetransmissioncontrolofautomobiles.LinkBall●AchievesSphericityof0.001mmThesphericalsurfaceoftheshankballi

4、strans-CutsampleofthesphericalareaofmodelBLferredontheinnersurfaceoftheholderwhiletmaintainingthesphericityofthebearingsteel3ball.Thisallowssmoothmotiontobeachievedwithaminimumclearanceandprovidesfavor-ableoperabilityandfeeltothelinkmotion.t-3VER.xHOR.xλc=mm0.

5、1mm1μm0.2μmSphericity:0.001mmRoughnessofthesphericalsurfaceoftheballshankSphericityofthesphericalsurfaceoftheballshank●TwoTypesofHolderMaterialTOKYOSEIMITSUVER.xHOR.x0.1mmModelALusesthenewlydevelopedhigh-1μmstrengthaluminumalloy"A-1Alloy"(seepaget-7),whichisli

6、ghtandhighlyresistanttowear.ModelsBL,RBLandRBIusetheproven,high-0.4μmstrengthzincalloy(seepaget-8).Roughnessofthesphericalsurfaceoftheholder●HighLubricitySincemodelsALandBLandthosemodels2αattachedwithbootscontaingrease,theyhavehighlubricityandincreasedwearresi

7、stance.A●LargeHexagonalBoltSeatThehexagonalboltseatoftheshankhasthesameAdimensionsastheseatingsurfaceforsmallhexa-gonheadboltsinaccordancewithautomotivespeci-fications.Thispreventstheseatingsurfacefromsinkingandensuresastablelinkmotionmechanism.●Lightweight,Hi

8、ghStrength1412UseoftheA-1AlloyenablestheLinkBalltoachievemechanicalstrengthapproximatelytwicethatofthecommonlyusedaluminumdiecastmate-rialADC12,oralmostequaltothehigh-strengthzinca