friction clutches - Arten Freios e Embreagens Industriais

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Table of Contents◗HEAVY DUTY BRAKES“Air Champ” ®HEAVY DUTY SPRING ENGAGEDBRAKE ELEMENTSDFB & QFB SERIESThis 16 Model Series of springengaged, air released Dual Facedand Quad Faced Elements aredesigned for heavy duty industrialapplications requiring high torqueand low inertia:◗ Static Torque ratings up to164,800 In. Lbs.◗ Speeds up to 2200 rpm◗ Thermal Horsepower values upto 14.7◗ Bore range of 6.500 inches◗ Brake can be Thru-Shaft orShaft-End mounted. Units areinteded for horizontal shaftmounting only◗ Dual Faced Elements have twointerface surfaces, Quad FacedElements have four interfacesurfaces◗ Available with either Standard orHigh coefficient <strong>friction</strong> Facings◗ Single or Double DiscAssemblies available in disc sizesfrom 11.500 to 25.000 inches◗ Rugged design ensures longproduct life◗ O-ring sealed piston & cylinderdesign reduces maintenancecosts◗ Air is supplied directly at thecylinder air inletsWith this Heavy Duty Series, tough applications are made easy. Each of the 16Models are detailed on the next few pages.◗ PEAK INPUT RATEThe DFB and QFB Series of Brakes are designed for applications requiring hightorque and low inertia. The peak input rate may be the limiting factor in high inertiastarts or stops, even though the Heat Sink Capacity is efficient.The peak input rate capacity is the rate at which the brake absorbs heat at the<strong>friction</strong> interface during the deceleration period while interfaces are slipping, or untilthe load and the clutch are operating at the same speed. See page 368 in 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 EffectiveModel Capacity (Ft Lbs) Input Rate(HP) Interface AreasDFB 1150-S/H 390,000 105 117 in 2DFB 1650-S/H 870,000 204 227 in 2DFB 2200-S/H 1,187,000 297 330 in 2DFB 2500-S/H 1,146,000 363 404 in 2QFB 1150-S/H 780,000 210 234 in 2QFB 1650-S/H 1,740,000 408 454 in 2QFB 2200-S/H 2,374,000 594 660 in 2QFB 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 1200RPMDFB 2250DFB 2200DFB 1650DFB 1150Thermal Horsepower161412108642Quad Faced Elements0 200 400 600 800 1000 1200RPMQFB 2250QFB 2200QFB 1650QFB 1150186
Table of Contents◗SHAFT-END MOUNTED BRAKE ELEMENT“Air Champ” ®Air SupplyHEAVY DUTY BRAKES ◗◗ TO APPLY DFB & QFB BRAKESElement can be Shaft-End or Thru-Shaft Mounted, but must be in ahorizontal 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.187
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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“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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Page 137 and 138: Table of Contents◗ BW MODEL BRAKE
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Page 160 and 161: Table of Contents◗CALIPER BRAKES
Page 170 and 171: Table of Contents◗CALIPER BRAKESS
Page 176 and 177: Table of Contents◗DRUM BRAKES“A
Page 178 and 179: Table of ContentsDRUM BRAKES “Air
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Page 182 and 183: Table of Contents◗HEAVY DUTY BRAK
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Page 200 and 201: Table of Contents◗TENSION CONTROL
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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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Table of Contents◗TENSION CONTROL
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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◗APPLICATION ENG
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Table of Contents◗FUNCTION EXAMPL
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friction clutches - Arten Freios e Embreagens Industriais

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