联轴器德国 R+W BKL 经济型波纹管联轴器

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1、LOWCOSTANDRELIABLE.ECONOMYCLASSBELLOWSCOUPLINGSBKLSERIESBKL

2、2–500NmTHEULTIMATECOUPLINGFROM2–500NmMODELBKLAreasofapplication:Properties:forhighdynamicservodrivesof:MachinetoolsTextilemachineshighdegreeoftorsionalstiffnessCNCmilling/grindingmachinesIndustrialrobotscom

3、pensatesaxial,lateralandangularmisalignmentWoodworkingmachinesProcessingmachinescombinedwithquiet,smoothoperationAssemblymachinesPrintingmachineryexactangulartransmissionofmotionandtorqueAutomatedplantsPackagingmachinesinfinitelifeandmaintenancefreeTheselectionpro

4、cessformodelseriesBKLAccordingtotorque:Accordingtotorsionalstiffness:InmostcasesthecouplingsareratedaccordingtothemaximumpeaktorqueTransmissionerrorsduetothetorsionalloadonthemetalbellows:toberegularlytransmitted.Thepeaktorquemaynotexceedtheratedtorqueofthecoupling.(deg

5、rees)Byratedtorqueweassume:thetorquethatiscontinuouslytransmittedwithinthespecifiedacceptablespeedandmisalignmentranges.Thefollowingcalculationhasproventobeagoodruleofthumb:ϕ=angleofturn(degrees)C=torsionalstiffnessofcoupling(Nm/rad)TT=max.torque(Nm)AST=ratedtorqueofcoupl

6、ing(Nm)Accordingtoaccelerationtorques:KNTAS=peaktorqueofmotor(Nm)Forpreciserating,theaccelerationtorqueandmomentsofinertiaoftheentiremachineorplanthavetobetakenintoconsideration.Accordingtoresonancefrequency:Inthecaseofservomotorsensurethattheiraccelerationordeceleratio

7、ntorqueishigherthantheirnominaltorquebyamultiple.Forthemech.substitutionalmodelofthe2-mass-systemisvalid:SA=shockorloadfactorS=1(uniformload)A�������������SA=2(non-uniformload)S=3-4(shockingload)AValuesforS=2-3areusualforservodrivesonmachinetools.A(degrees)T=ratedtorqueof

8、coupling(Nm)KNT=max.accelerationtorqueonthedriveface(Nm)AS-ormax.decelerationtorqueontheloadface(Nm)Asavalueofpracticeisvalid:f≥2xfeerJ=machine´smomentofinertia(kgm2)LCT=torsionalstiffnessofthecoupling(Nm/rad)(Spindle+slide+workpiece+f=resonancefrequencyofthe2-mass-system

9、(Hz)halfofcoupling)efer=frequencyofthedrive(Hz)JA=motor´smomentofinertia(degrees)(degrees)2R+WPr