friction clutches - Arten Freios e Embreagens Industriais

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Table of Contents◗CLUTCHES“Air Champ” ®HEAVY DUTY CLUTCH & BRAKEELEMENTSDFE & QFE MODEL SERIESThis 16 Model Series ofair-actuated Dual Faced andQuad Faced Elements aredesigned for heavy duty industrialapplications requiring high torqueand low inertia:◗ Static Torque ratings up to302,000 In. Lbs. @ 80 psi (seechart page 60)◗ Maximum Operating Speed up to1600 rpm◗ Thermal Horsepower values upto 14.7 @ 1600 rpm◗ Bore range up to 6.500 inches◗ Thru-Shaft or Shaft-End MountBrake◗ Horizontal Shaft-End mountedClutch Element mounts to acustomer supplied flywheel, gearor pulley◗ Dual Faced Elements have singledisc assemblies, Quad FacedElements have double discassemblies◗ Available with either Standard orHigh coefficient <strong>friction</strong> linings◗ Single or Double DiscAssemblies available in 4 discsizes◗ Rugged design ensures longproduct life◗ Sealed O-ring piston & cylinderdesign reduces maintenancecosts◗ Air Union Bracket Assemblyincludes flexible hose.With this Heavy Duty Model Series, tough applications are made easy. Each of the16 Models are detailed on the next few pages.◗ PEAK INPUT RATEThe DFE and QFE Series of Clutches and Brakes are designed for applicationsrequiring high torque and low inertia. The peak input rate may be the limiting factorin high inertia starts or stops, even though the Heat Sink Capacity is efficient.The peak input rate capacity is the rate at which the clutch absorbs heat at the<strong>friction</strong> interface during the acceleration period while interfaces are slipping, or untilthe load and the clutch are operating at the same speed. See page 368 theEngineering Data Section for information explaining how to calculate the Peak InputRate and how to avoid potential problems.◗ HEAT SINK CAPACITIES & PEAK INPUT RATEHeat Sink Peak Input EffectiveModel Capacity (Ft Lbs) Rate (HP) Interface AreasDFE 1150-S/H 390,000 105 117 in 2DFE 1650-S/H 870,000 204 227 in 2DFE 2200-S/H 1,187,000 297 330 in 2DFE 2500-S/H 1,460,000 363 404 in 2QFE 1150-S/H 780,000 210 234 in 2QFE 1650-S/H 1,740,000 408 454 in 2QFE 2200-S/H 2,374,000 594 660 in 2QFE 2500-S/H 2,920,000 727 808 in 2◗ CONTINUOUS RATED THERMAL HORSEPOWER DISSIPATION VS. RPMThermal Horsepower12108642Dual Faced Elements0 200 400 600 800 1000 1200RPMDFE 2500DFE 2200DFE 1650DFE 1150Thermal Horsepower161412108642Quad Faced Elements0 200 400 600 800 1000 1200RPMQFE 2500QFE 2200QFE 1650QFE 1150Manufactured in the U.S.A. under licenseof Coremo Ocemea - Italy56
Table of Contents◗“Air Champ” ®CLUTCH ELEMENT MOUNTED TO BEARING SUPPORTED PULLEYCLUTCHES ◗◗ WHEN ELEMENT IS USED AS ACLUTCH:Element must be Shaft-End Mountedin a horizontal position.The housing is flange mounted to abearing supported component(flywheel, gear, pulley).The Hub is keyed to the shaft.Air is supplied through a Rotary AirUnion and flexible hoses.NOTE: Not suitable for Thru-Shaftmounting.◗CLUTCH AIR CONNECTIONAir InletAir InletClutch Air Connection:Attach the Rotary Air Union Bracket tothe cylinder with four cap screws.Install a flexible hose in the Rotary AirUnion and in the Air Union Bracket.Install elbow fittings in the cylinderand Air Union Bracket.Connect the cylinder hoses to thefittings.Do not use rigid pipe or tubing forthese connections.◗SHAFT-END MOUNTED BRAKE ELEMENTAir Supply◗ WHEN ELEMENT IS USED AS ABRAKE:Element must be Shaft-End Mountedin a horizontal position.The housing is flange mounted to themachine frame.The Hub is keyed to the shaft.Air is supplied directly at the cylinderair inlets.Brake Air Connection:Connect the air supply directly to thetwo air ports, located 180 degreesapart in the cylinder.See page 150-161 for Spring EngagedBrake.NOTE: DFE & QFE units are intendedfor horizontal mounting only.57
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Table of ContentsPRODUCTCAT ALOG10-
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Table of Contents◗PRODUCT NUMBER
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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 ContentsCLUTCH/BRAKES “A
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Table of Contents◗METRIC CLUTCH/B
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Table of Contents◗WEB GUIDING CON
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Table of Contents◗WEB AUXILLARY C
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Table of Contents◗CONTROLS“Air
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Table of Contents◗REPAIR KITS“A
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Table of Contents◗FAMILY OF PRODU
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