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ID:30010079
大小:270.33 KB
页数:14页
时间:2018-12-25
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1、RollerFollowerOuterringSealInnerringSideplateNeedlerollerCageFig.1StructureofRollerFollowerModelNAST-ZZUUStructureandFeaturesTheRollerFollowerisacompactandhighlyrigidbearingsystem.Itcontainsneedlebearingsandisusedasaguiderollerforcamdiscsandlinearmotion.Sinceitsouterringrotateswhilekeepingdirectc
2、ontactwiththematingsurface,thisproductisthick-walledanddesignedtobearanimpactload.Insidetheouterring,needlerollersandaprecisioncageareincorporated.Thispreventstheproductfromskewingandachievesasuperbrotationperformance.And,asaresult,theprod-uctiscapableofeasilywithstandinghigh-speedrotation.Roller
3、FollowerRollerFollowersaredividedintotwotypes:separabletypewhoseinnerringcanbeseparated,andnon-separabletypewhoseinnerringcannotbeseparated.Therearetwotypesoftheouterringinshape:sphericalandcylindrical.Thesphericalouterringeasilyabsorbsadistortionoftheshaftcenterwhenthecamfollowerisinstalledandhe
4、lpslightenabiasedload.qApplications3TheRollerFollowerisusedinawiderangeofapplicationssuchascammechanismsofauto-maticmachines,dedicatedmachinesaswellascarriersystems,conveyors,bookbindingmachines,toolchangersofmachiningcenters,palletchangers,automaticcoatingmachines,slidingforksofautomaticwarehous
5、es.q-3TypesandFeatures●SeparableRollerFollowersModelNASTModelNAST-RModelNASTisaseparabletypeofbearingsystemThismodelisasphericalouterringtypeofmodelNAST.thatcombinesathick-wallouterring,aninnerringIteasilycorrectsadistortionoftheshaftcenterwhentheandneedlerollersequippedwithaprecisioncage.rollerf
6、ollowerisinstalledandhelpslightenabiasedload.ModelNAST-ZZModelNAST-ZZRThisseparabletypeofbearingsystemhasalabyrinthThismodelisasphericalouterringtypeofmodelNAST-ZZ.sealconsistingofapairofsideplatesformedonbothIteasilycorrectsadistortionoftheshaftcenterwhenthesidesoftheinnerringofmodelNAST.rollerf
7、ollowerisinstalled.ModelRNASTModelRNAST-RThismodelisbasicallythesameasmodelThismodelisbasicallythesameasmodelNAST,butdoesnothaveaninnerring.NAST-R,butdoesnothaveaninnerring.Iteasilycorrectsadistortionoftheshaftcenterwh
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