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friction clutches - Arten Freios e Embreagens Industriais

friction clutches - Arten Freios e Embreagens Industriais

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Table of Contents◗CALIPER BRAKES“Air Champ” ®BC MODEL AIR ACTUATEDCALIPER BRAKESBC Model Caliper Brakes provide:◗ Static Torque capacity up to8800 In. Lbs. @ 80 psi with 24inch disc◗ Air Actuated◗ Caliper spacing is adjustable tofit .188 to 1.500 inch widerotating discs and lineartraveling devices◗ Optional discs available from 16to 24 inch diameter◗ Disc Speeds up to 2800 rpm◗ QD Bushing compatible, forshaft sizes up to 3.875 inchesThe Disc must be orderedseparately. QD Bushing iscustomer furnished.◗ BC MODEL, AIR ACTUATED CALIPER BRAKESProduct Shipping Wt.Model Number (Lbs)BC288A 835200 18BC425A 835210 18◗ DISC & QD BUSHING OPTIONSDiscs must be ordered separately. QD Bushings are customer furnished. Foradditional Disc details, see pages 174 and 175. Bushings fit into the bore of thebrake disc hub, changing the bore to the size needed.Caution: QD Bushings must be capable of carrying the torque produced by thecaliper brake and disc selected. Check with the QD Bushing manufacturer forbushing torque ratings.◗ TORQUE VS. AIR PRESSUREStatic Torque in Inch-Pounds4000350030002500200015001000500BC288A24.00” Disc22.00” Disc20.00” Disc18.00” Disc16.00” Disc0 10 20 30 40 50 60 70 80Air Pressure in PSIStatic Torque in Inch-Pounds88007700660055004400330022001100BC425A24.00” Disc22.00” Disc20.00” Disc18.00” Disc16.00” Disc0 10 20 30 40 50 60 70 80Air Pressure in PSINOTE: Dynamic torque is approximately 85% of static torque.162

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