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friction clutches - Arten Freios e Embreagens Industriais

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Table of Contents◗CLUTCH/BRAKES“Air Champ” ®CLUTCH-BRAKE MODELSFWCB & LWCBThe FWCB and LWCB are each an “AirChamp” clutch and an “Air Champ” brakecombined into a single unit, forming acombination clutch-brake. They provide:◗ Static Torque capacity up to:FWCB/400 In. Lbs. @ 80 psi (brake)FWCB/100 In. Lbs. @ 80 psi (clutch)LWCB/400 In. Lbs. @ 80 psi (brake)LWCB/350 In. Lbs. @ 80 psi (clutch)◗ Maximum Operating Speed up to 1800 rpm◗ Thermal Horsepower ratings of:FWCB/0.25 (clutch) @ 1800 rpmFWCB/ 0.52 (brake) @ 1800 rpmLWCB/0.40 (clutch) @ 1800 rpmLWCB/ 0.52 (brake) @ 1800 rpmTHESE CLUTCH-BRAKES MUST BEMOUNTED ON THE DRIVEN SHAFT. Brakehousing must not be mounted rigidly.Choice of Models:FWCB/5 Models, LWCB/7 Models◗ Sheave Mount units are available:FWCB/1-“3V” or 1-“A” Groove sheaveLWCB/2-“3V” or 2-“A” Groove sheave◗ Pilot Mount units offer Standard boresizes of:FWCB/0.750 and 0.875 inchesLWCB/1.000 inches◗ For in-line applications, select theoptional coupling half◗ MODEL FWCB & LWCB CLUTCH-BRAKESProduct Key Size Shipping Wt.Model Clutch-Brake Style Number Sheave Diameter Bore (In) (SQ) (Lbs)FWCB Pilot Mount 827100 -- 0.875 0.188 14FWCB Pilot Mount 827111 -- 0.750 0.188 14FWCB Sheave Mount 1-“3V” 826700 3.35 OD 0.875 0.188 15FWCB Sheave Mount, 1-“3V” 826800 4.50 OD 0.875 0.188 16FWCB Sheave Mount, 1-“A” 826900 3.80 PD 0.875 0.188 15LWCB Pilot Mount 828900 -- 1.000 0.250 x .188 17LWCB Sheave Mount, 2-“3V” 828300 4.50 OD 1.000 0.250 x .188 18LWCB Sheave Mount, 2-“3V” 828400 5.30 OD 1.000 0.250 x .188 20LWCB Sheave Mount, 2-“3V” 828500 6.00 OD 1.000 0.250 x .188 20LWCB Sheave Mount, 2-“3V” 828600 8.00 OD 1.000 0.250 x .188 25LWCB Sheave Mount, 2-“A” 828700 4.40 PD 1.000 0.250 x .188 21LWCB Sheave Mount, 2-“A” 828800 5.40 PD 1.000 0.250 x .188 20Keys are included.◗ BUSHING OPTIONS(FOR 0.875 & 1.OOO BORE CLUTCH-BRAKES ONLY)Bushings fit into the clutch-brake,reducing the bore to the size indicated.Bore Product Reduces Clutch Number ShippingSize Number Bore Size to (In) Required Wt.(Lbs)0.875 827200 0.500 2 10.875 802500 0.625 2 10.875 802600 0.750 2 10.875 803100 No Bore/Customer machines 2 11.000 829000 0.625 2 21.000 829100 0.750 2 21.000 829200 0.875 2 2◗ COUPLING HALF OPTIONS,SEE PAGE 367 FOR COUPLING SPECIFICATIONSA Coupling Half is used for in-lineapplications. It is important to reviewthe Maximum Misalignmentallowable before specifying. Toachieve a Pilot Mount with CouplingHalf mounting configuration:1. Select a Pilot Mount Clutch-Brake;2. Order Clutch-Brake and CouplingHalf separately.3. Coupling Half is less taper lockbushing. Use Dodge Taper Lock ®#1008/FWCB, #1215/LWCB,(0.500 to 1.000/FWCB, 0.500 to1.125/LWCB, inch bore range).Customer furnished.Product Maximum Shipping Wt.Model Number Bore Size (In) (Lbs)FWCB 802700 1.000 3LWCB 804900 1.125 6◗ TORQUE VS. AIR PRESSUREFWCB400BrakeStatic Torque in Inch-Pounds350300250200150100Clutch500 10 20 30 40 50 60 70 80Air Pressure in PSIStatic Torque in Inch-PoundsLWCB400Brake350Clutch300250200150100500 10 20 30 40 50 60 70 80Air Pressure in PSINOTE: Dynamic torque is approximately 85% of static torque.260

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