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Page 12Load Classification by ApplicationTable 1AgitatorsPure liquidsSLiquids and solidsMLiquids - variable densityMBlowersCentrifugalSLobeMVaneSBrewing and distillingBottling machinerySBrew kettles - continuous duty SCookers - continuous dutySMash tubs - continuous dutySScale hopper - frequent starts MCan filling machinesSCane knives (1)MCar dumpersHCar pullersMClarifiersSClassifiersMClay working machineryBrick pressHBriquette machineHClay working machineryMPug millMCompressorsCentrifugalSLobeMReciprocating - multi-cylinder MReciprocating - single cylinder HConveyors - uniformly loaded or fedApronSAssemblySBeltSBucketSChainSFlightSOvenSScrewSConveyors - heavy dutynot uniformly fedApronMAssemblyMBeltMBucketMChainMFlightMLive roll *OvenMReciprocatingHScrewMShakerHCrane Drives - not dry dockMain hoistsSBridge travel *Trolley travel *CrushersOreHStoneHSugar (1)MDredgesCable reelsMConveyorsMCutter head drivesHJig drivesHManoeuvring winchesMPumpsMScreen driveHStackersMUtility winchesMDry dock cranesMain hoist (2)Auxiliary hoist (2)Boom, luffing (2)Rotating, swing or slew (3)Tracking, drive wheels (4)ElevatorsBucket - uniform loadSBucket - heavy loadMBucket - continuousSCentrifugal dischargeSEscalatorsSFreightMGravity dischargeSMan lifts *Passenger *Extruders (plastic)FilmSSheetSCoatingSRodsSTubingSBlow mouldersMPre-plasticiersMFansCentrifugalSCooling towersInduced draft *Forced draft *Induced draftMLarge, mine etc.MLarge, industrialMLight, small diameterSFeedersApronMBeltMDiscSReciprocatingHScrewMFood industryBeef slicerMCereal cookerSDough mixerMMeat grinderMGenerators - not weldingSHammer millsHHoistsHeavy dutyHMedium dutyMSkip hoistMLaundryWashers - reversingMTumblersMLine shaftsDriving processing equipment MLightSOther line shaftsSLumber industryBarkers, hydraulic, mechanical MBurner conveyorMChain saw and drag sawHChain transferHCraneway transferHDe-barking drumHEdger feedMGang feedMGreen chainMLive rollsHLog deckHLog haul - inclineHLog haul - well typeHLog turning deviceHMain log conveyorHOff bearing rollsMPlaner feed chainsMPlaner floor chainsMPlaner tilting hoistMRe-saw merry-go-round conveyor MRoll casesHSlab conveyorHSmall waste conveyor-beltSSmall waste conveyor-chainMSorting tableMTipple hoist conveyorMTipple hoist driveMTransfer conveyorsMTransfer rollsMTray driveMTrimmer feedMWaste conveyorMMachine toolsBending rollMPunch press - gear drivenHNotching press - belt drive *Plate plannersHTapping machineHOther machine toolsMain drivesMAuxiliary drivesSMetal millsDrawn bench carriage andmain driveMPinch, dryer and scrubberrolls, reversing *SlittersMTable conveyors nonreversinggroup drivesMIndividual drivesHReversing *Wire drawing and flattening machine MWire winding machineMMills, rotary typeBall (1)MCement kilns (1)MDryers and coolers (1)MKilns other than cementMPebble (1)MRod, plain & wedge bar (1)MTumbling barrelsHMixersConcrete mixers continuousMConcrete mixers intermittent MConstant densitySVariable densityMOil industryChillersMOil well pumping *Paraffin filter pressMRotary kilnsMPaper millsAgitators (mixers)MBarker - auxiliaries hydraulic MBarker - mechanicalHBarking drumHBeater and pulperMBleacherSCalendersMCalenders - superHConverting machine exceptcutters, platersMConveyorsSCouchMCutters, platersHCylindersMDryersMFell stretcherMFell whipperHJordansMLog haulHPressesMPulp machine reelMStock chestMSuction rollMWashers and thickenersMWindersMPrinting presses *PullersBarge haulHPumpsCentrifugalSProportioningMReciprocatingsingle acting: 3 or more cylinders Mdouble acting: 2 or more cylinders Msingle acting: 1 or 2 cylinders *double acting: single cylinder *Rotary - gear typeSRotary - lobe, vaneSRubber and plastics industriesCrackers (1)HLaboratory equipmentMMixed mills (1)HRefiners (1)MRubber calenders (1)MRubber mill, 2 on line (1)MRubber mill, 3 on line (1)SSheeter (1)MTyre building machines *Tyre and tube press openers *Tubers and strainers (1)MWarming mills (1)MSand mullerMScreensAir washingSRotary, stone or gravelMTravelling water intakeSSewage disposal equipmentBar screensSChemical feedersSCollectorsSDewatering screwsMScum breakersMSlow or rapid mixersMThickenersMVacuum filtersMSlab pushersMSteering gear *StokersSSugar industryCane knives (1)MCrushers (1)MMills (1)MTextile industryBatchersMCalendersMCardsMDry cansMDryersMDyeing machineryMLoomsMManglesMNappersMPadsMRange drives *SlashersMSoapersMSpinnersMTenter framesMWashersMWindersMWindlass *KeyS = SteadyM = Medium ImpulsiveH = Highly Impulsive* = Refer to <strong>Renold</strong>(1) = Select on 24 hours per day service factor only.(2) = Use service factor of 1.00 for any duration of service.(3) = Use service factor of 1.25 for any duration of service.(4) = Use service factor of 1.50 for any duration of service.NoteMachinery characteristics and service factors listed in this catalogue area guide only. Some applications (e.g. constant power) may require specialconsiderations. Please consult <strong>Renold</strong>.Resilient and Soft Start Couplings
Page 13Service Factors and SelectionTable 2 Service Factor (fD)Prime moverDriven machinery characteristics(Drive input) Duration service Steady load Medium impulsive Highly impulsivehours/dayElectric, air & hydraulic Intermittent – 3hrs/day max 0.90 1.00 1.50Motors or steam turbine 3 - 10 1.00 1.25 1.75(Steady input) over 10 1.25 1.50 2.00Multi-cylinder I.C. engine Intermittent – 3hrs/day max 1.00 1.25 1.75(Medium impulsive input) 3 - 10 1.25 1.50 2.00over 10 1.50 1.75 2.25Single-cylinder I.C. engine Intermittent - 3hrs/day max 1.25 1.50 2.00(Highly impulsive input) 3 - 10 1.50 1.75 2.25over 10 1.75 2.00 2.50Table 3 Factor for Starts/Hour(fS)No of starts per hour 0-1 1-30 30-60 60-Example of SelectionCoupling is required to transmit 7.5kW at 1440 RPM to connectan electric motor to a gear box driving a chain conveyor runningfor 18 hours/day and starting 15 times/hour. Shaft diameters/55mm respectively.K = 7.5kWFrom Table 1 Load Classification = M (medium impulsive)From Table 2 Service Factor fD = 1.5From Table 3 fS = 1.2Therefore selection kW is:-Ks = K x fD x fS= 7.5 x 1.5 x 1.2= 13.5 kWFactor 1,0 1,2 1,3 1,5Equivalent power at 100 RPM = Ks x 100RPM= 13.5 x 1001440= 0.9375kW @ 100RPMFrom page 17 selection is RSC110 (644911)(maximum bore 55 mm).Key Stress1. Permissible key stress = 70N/mm 22. Nominal torque TKM = K x 9550 / RPM Nm3. Force at key F = TKM /r4. Shaft Rad r. metres5. Key area A = J x HUB length mm(Obtain from relevant catalogue page).6. Key stress fk = F/A N/mm 27. If resultant stress is less than 70 N/mm 2 key stress isacceptable.If resultant fk is greater than 70, consider either two keywaysor extending hub length.8. Example:TKM = 7.5 x 9550/1440 = 49.7Nmr = 55/2 = 27.5mm ÷ 1000 = 0.0275mF = 49.7/0.0275 = 1741NA = 16 x 45 = 720mm 2fk = 1741/720 = 2.4M/mm 2Selection is therefore good.For operation above 80% of the declared maximum couplingspeed it is recommended that the coupling is dynamicallybalanced.!WARNINGIt is the responsibility of the system designerto ensure that the application of the couplingdoes not endanger the other constituentcomponents in the system. Service factorsgiven are an initial selection guide.!WARNINGRotating equipment must be provided witha suitable guard before operating or injurymay result.www.renold.com
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Page 5 and 6: Page 03Renold CouplingsRenold have
Page 7 and 8: Page 05Typical ApplicationsDiscflex
Page 9 and 10: Page 07TheCollectionRigid CouplingR
Page 11 and 12: Page 09Coupling Comparison ChartNom
Page 13: ØØPage 11OOCoupling Selection Gui
Page 17 and 18: Page 15Taper BushesMetric rangeBush
Page 19 and 20: Page 17SpiderflexGH1H2 H1H2 H1Assem
Page 21 and 22: Page 19Spiderjaw and SpiderwrapA me
Page 23 and 24: Page 21SpiderwrapH1H2H2LDBDBDBC1C2C
Page 25 and 26: Page 23PinflexEFDDB BC1C2C2 C2Type
Page 27 and 28: Page 25Pinflex Brakedrum CouplingGH
Page 29 and 30: Page 27CrownpinAn established pin/b
Page 31 and 32: Page 29CrownpinComponent SparesCoup
Page 33 and 34: Page 31TyreflexFL1C1TY40 - TY60L2C2
Page 35 and 36: Page 33DiscflexA general purpose fa
Page 37 and 38: Page 35DiscflexOrdering codeD 52 #
Page 39 and 40: Page 37ChainflexFOrdering codeC 63
Page 41 and 42: Page 39GearflexRenold Gearflex cons
Page 43 and 44: Page 41Adapted and Custom Gear Coup
Page 45 and 46: Page 43Gearflex Heavy Duty B series
Page 47 and 48: Page 45Gearflex Heavy Duty B series
Page 49 and 50: Page 47Gearflex High Misalignment D
Page 51 and 52: Page 49Gearflex A series Double Eng
Page 53 and 54: Page 51Gearflex High Speed Double E
Page 55 and 56: Page 53RenoldflexA torsionally stif
Page 57 and 58: Page 55RenoldflexL1AHABBF1L1AHABBF1
Page 59 and 60: Page 57RenoldflexRenoldflex Type Ar
Page 61 and 62: Page 59Operating PrinciplesOUTER Ou
Page 63 and 64: Page 61‘Soft’ Starting600600600
Page 66 and 67:
Page 64Standard Available OptionsNo
Page 68 and 69:
Page 66Hydrastart Pinflex Coupling
Page 71 and 72:
Page 69Hydrastart Pulley - Dimensio
Page 73 and 74:
Page 71Noteswww.renold.com
Page 75 and 76:
The best range of solution chain pr
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