friction clutches - Arten Freios e Embreagens Industriais

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Table of Contents◗APPLICATION ENGINEERING DATA“Air Champ” ®◗ CLUTCH AND BRAKE SELECTIONClutch and brake selection is rathersimple when the functions of themachine are clearly defined. Make surethat the location, shaft size, heatdissipation capacity and speed specificationsare compatible with the clutchor brake selected. Match the machinerequirements to a clutch or brake that islarge enough to handle the load.First, classify the application.Occasional start or stop:Applications where a clutch disconnectsthe prime mover (usually an electricmotor) from the machine at cycle ratesof less than four or five times a minute..Torque and transmitted horsepower areimportant considerations ofapplications of this type.Cyclic start and stop:Applications where the clutch or brakecycles more than five per minute, fallinto this classification. Inertia, torque,energy per cycle, heat sink capacity andresponse time all may requireevaluation.High inertia start or stop:Applications of this type are identifiedby a requirement to start or stop heavyrotating rolls or flywheels in a specificlength of time. Start or stop periods ofmore than 1.0 second are typical of thisapplication type. Thermalcharacteristics and torque are veryimportant considerations when highinertia loads are present.Continuous slip or constanttensioning:Applications of this type appearfrequently in the paper or textileindustries where material is pulled froma roll. A clutch or brake is connected tothe shaft supporting the rolls toprovided tension in the material. Heatdissipation is the primary concern forthe clutch or brake.Many clutch and brake selectionsare successfully made on thebasis of transmitted horsepowerand speed only.For these applications it is a simplematter of solving the basic torqueformulas and selecting a unit from thetorque vs. air pressure graphs in the AirChamp catalog or various other productbrochures.Nexen also provides selection chartsthat suggest specific models at varioustransmitted horsepower and speeds.These charts include an appropriateservice factor for the selected model.Motor frame charts showing modelswhich fit the motor shaft and/or NEMA“C” flanges are provided for somemodels. A general rule-of-thumb formotor mounted applications is: if theunit fits the motor, it will do the job.Nexen units have adequate torque tohandle what the motors deliver.Applications where the clutch or brakedo not fit the motor require anevaluation of inertia, torque and thermalcharacteristics. Thermal characteristicsare very important for high inertia orhigh cyclic applications. Do not select aunit from the catalog selection charts ifhigh inertia loads are present.Location is one of the most importantthings to consider when making aclutch or brake selection. Since torque(in. lbs) equals 63000 x HP , theRPMclutch or brake should be located on thehighest speed shaft in the drive train.An ideal location is directly on themotor shaft. Mounting is easier andmore convenient. Lower torque requirementsmean smaller diameter units,which result in considerable cost savings.Because “Air Champ” Clutches andBrakes are rugged and designed withhigh thermal horsepower ratings, wecan use the following rule-of-thumb forselecting the proper size unit for yourapplication:Ninety percent of the time you canmake your clutch/brake selectionbased on the torque requirementalone. It’s that simple. Sure it’simportant to use a service factor, butfor the most part the torquerequirement is your prime considerationwhen choosing which size clutch to use.For severe applications with high inertialoads and high cycle rates, you alsoneed to consider the thermalhorsepower requirement.◗ CLUTCH & BRAKE SERVICE FACTORA service factor of 1.2 to 2 shouldalways be used when operating at anyair pressure. The service factor isdependent on the severity of theapplication. It is not recommended thata clutch or brake be used in an applicationat its maximum designed torque.360
Table of Contents“Air Champ” ®APPLICATION ENGINEERING DATA◗ INERTIA VALUES OF VARIOUS COMPONENTSAll values unless specified are in Lb In 2 . To convert to Lb Ft 2 use the following formula:Friction ClutchesROTATES ROTATESMODEL COMPONENTS WITH SHAFT WITH DRIVEMulti-Disc ClutchesLB IN 2 = LB FT 2144ROTATES ROTATESMODEL COMPONENTS WITH SHAFT WITH DRIVEM, Micro Housing, Facing, Bearing ---- 0.050Friction Disc, Hub 0.193 ----BW,Bantam WeightPilot Mount w/Bearing2.750 Sheave w/Bearing--------0.8540.854Friction Disc, Hub 0.979 ----F-450 / FW Pilot Mount w/Bearing & Lining ---- 4.7003.350 Sheave w/Bearing & Lining ---- 5.404Friction Disc, Hub 4.787 ----L-600 / LW Pilot Mount w/Bearing & Lining ---- 27.4704.500 Sheave w/Bearing & Lining ---- 27.8305.300 Sheave w/Bearing & Lining ---- 36.740Friction Disc, Hub 16.126 ----M-800 / MW Pilot Mount w/Bearing & Lining ---- 127.3005.300 Sheave w/Bearing & Lining ---- 127.830Friction Disc, Hub 63.273 ----H-1000 / HW Pilot Mount w/Bearing & Lining ---- 428.7707.100 Sheave w/Bearing & Lining ---- 504.350Friction Disc, Hub 180.440 ----XHW Pilot Mount w/Bearing & Lining ---- 1263.0408.000 Sheave w/Bearing & Lining ---- 966.520Friction Disc, Hub 272.980 ----Tooth ClutchesROTATES ROTATESMODEL COMPONENTS WITH DRIVE WITH SHAFT5H30 Ring, Plate, Hub, Flange 6.000 1.2605H35 Ring, Plate, Hub, Flange 10.680 2.7105H40 Ring, Plate, Hub, Flange 16.860 3.7605H45 Ring, Plate, Hub, Flange 26.090 8.3505H50 Ring, Plate, Hub, Flange 41.780 11.4805H60 Ring, Plate, Hub, Flange 92.660 25.8005H70 Ring, Plate, Hub, Flange 176.060 50.4605H20P Ring, Plate, Hub, Flange 2.160 0.3505H30P Ring, Plate, Hub, Flange 5.140 1.3105H35P Ring, Plate, Hub, Flange 11.280 2.8805H40P Ring, Plate, Hub, Flange 15.770 3.9005H45P Ring, Plate, Hub, Flange 25.970 8.9205H50P Ring, Plate, Hub, Flange 42.830 12.1905H60P Ring, Plate, Hub, Flange 94.400 27.3705H70P Ring, Plate, Hub, Flange 186.030 52.8505H80P Ring, Plate, Hub, Flange 347.600 73.4505H100P Ring, Plate, Hub, Flange 1241.080 372.9705H30P-E Ring, Plate, Hub, Flange 6.990 1.5105H35P-E Ring, Plate, Hub, Flange 12.700 3.2005H40P-E Ring, Plate, Hub, Flange 14.890 4.8905H45P-E Ring, Plate, Hub, Flange 29.030 10.0105H50P-E Ring, Plate, Hub, Flange 55.660 13.7005H60P-E Ring, Plate, Hub, Flange 100.940 30.5505H30P-SP Ring, Plate, Hub, Flange, Ball Carrier 8.380 2.1205H35P-SP Ring, Plate, Hub, Flange, Ball Carrier 16.030 4.3405H40P-SP Ring, Plate, Hub, Flange, Ball Carrier 22.630 6.0805H45P-SP Ring, Plate, Hub, Flange, Ball Carrier 35.590 12.4305H50P-SP Ring, Plate, Hub, Flange, Ball Carrier 55.160 16.6205H60P-SP Ring, Plate, Hub, Flange, Ball Carrier 115.880 36.6205H70P-SP Ring, Plate, Hub, Flange, Ball Carrier 231.640 48.1005H80P-SP Ring, Plate, Hub, Flange, Ball Carrier 394.010 73.4505H30PSP-E Ring, Plate, Hub, Flange, Ball Carrier 10.560 2.2205H35PSP-E Ring, Plate, Hub, Flange, Ball Carrier 18.110 4.6005H40PSP-E Ring, Plate, Hub, Flange, Ball Carrier 22.710 7.1605H45PSP-E Ring, Plate, Hub, Flange, Ball Carrier 39.860 13.4005H50PSP-E Ring, Plate, Hub, Flange, Ball Carrier 69.710 18.0205H60PSP-E Ring, Plate, Hub, Flange, Ball Carrier 125.150 39.3904H30P Thrust Plate, Inner Plates, Flange, Hub 1.610 ----Outer Plates, Driving Shell ---- 8.0704H35P Thrust Plate, Inner Plates, Flange, Hub 3.490 ----Outer Plates, Driving Shell ---- 13.3404H40P Thrust Plate, Inner Plates, Flange, Hub 4.870 ----Outer Plates, Driving Shell ---- 14.4604H45P Thrust Plate, Inner Plates, Flange, Hub 10.740 ----Outer Plates, Driving Shell ---- 36.7004H50P Thrust Plate, Inner Plates, Flange, Hub 17.590 ----Outer Plates, Driving Shell ---- 60.4004H60P Thrust Plate, Inner Plates, Flange, Hub 42.480 ----Outer Plates, Driving Shell ---- 115.7004H70P Thrust Plate, Inner Plates, Flange, Hub 70.370 ----Outer Plates, Driving Shell ---- 211.100Dual Plate ClutchesROTATES ROTATESMODEL COMPONENTS WITH SHAFT WITH DRIVEDPC-9T Cylinder, Piston, Facing, Hub 460.800 ----Friction Discs, Housings, Pilot ---- 460.8008.000 Sheave ---- 161.3009.000 Sheave ---- 270.700DPC-11T Cylinder, Piston, Facing, Hub 907.200 ----Friction Discs, Housings, Pilot ---- 1022.400Sheave ---- 440.600DPC-13T Cylinder, Piston, Facing, Hub 2001.600 ----Friction Discs, Housings, Pilot ---- 2635.2008.000 Sheave ---- 2757.600DPC-15T Cylinder, Piston, Facing, Hub 3470.400 ----Friction Discs, Housings, Pilot ---- 4176.0008.000 Sheave ---- 5781.600High Capacity ClutchesROTATES ROTATESMODEL COMPONENTS WITH SHAFT WITH DRIVEDFE 1150-S or H Disc 403.200 ----Housing ---- 3283.200DFE 1650-S or H Disc 2001.600 ----Housing ---- 10900.600DFE 2200-S or H Disc 6494.400 ----Housing ---- 31536.000DFE 2500-S or H Disc 10080.000 ----Housing ---- 50299.200QFE 1150-S or H Disc 806.400 ----Housing ---- 3902.400QFE 1650-S or H Disc 3542.400 ----Housing ---- 13032.000QFE 2200-S or H Disc 12960.000 ----Housing ---- 38044.600QFE 2500-S or H Disc 20059.200 ----Housing ---- 60393.600361
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Table of ContentsPRODUCTCAT ALOG10-
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Table of Contents◗PRODUCT NUMBER
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Table of Contents◗FAMILY OF PRODU
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Table of Contents◗FAMILY OF PRODU
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Table of Contents“Air Champ” ®
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Table of Contents◗APPLICATION GUI
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Table of ContentsWeb ProductsGUIDE
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Table of Contents◗ MICRO FRICTION
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Table of Contents◗“Air Champ”
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Table of ContentsWeb ProductsIn acc
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Table of ContentsWeb ProductsTENSIO
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Table of ContentsWeb ProductsHousin
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Table of Contents◗ AIR PRESSURE C
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Table of ContentsEclipse SERVOMOTOR
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Table of ContentsEclipse SERVOMOTOR
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Table of ContentsEclipse LINEAR MOT
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Table of ContentsEclipse NEMA AC MO
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Table of ContentsEclipse METRIC AC
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Table of Contents◗ BW MODEL BRAKE
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Table of Contents◗CALIPER BRAKES
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Table of Contents◗CALIPER BRAKESS
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Table of Contents◗DRUM BRAKES“A
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Table of ContentsDRUM BRAKES “Air
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Table of ContentsDRUM BRAKES “Air
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Table of Contents◗HEAVY DUTY BRAK
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Table of Contents◗METRIC BRAKES
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Table of Contents◗BRAKESWeb Produ
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Table of Contents◗TENSION CONTROL
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Table of Contents◗CLUTCH/BRAKES
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Table of Contents◗CLUTCH/BRAKESFM
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Table of Contents◗CLUTCH/BRAKESA
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Table of ContentsCLUTCH/BRAKES “A
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Table of Contents◗METRIC CLUTCH/B
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Page 310 and 311: Table of Contents◗TENSION CONTROL
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Page 320 and 321: Table of Contents◗WEB GUIDING CON
Page 336 and 337: Table of Contents◗WEB AUXILLARY C
Page 342 and 343: Table of Contents◗CONTROLS“Air
Page 352 and 353: Table of Contents◗REPAIR KITS“A
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