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friction clutches - Arten Freios e Embreagens Industriais

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Table of Contents“Air Champ” ®CALIPER BRAKES ◗Static Torque in Inch-PoundsSPC MODEL SPRINGACTUATED CALIPER BRAKESSPC Single Post Caliper SpringActuated Caliper Brake provides:◗ Spring Actuation◗ Static Torque capability up to50,000 In. Lbs.◗ Brake actuator is moveable topermit a change in mechanicaladvantage which varies thetorque range◗ All Models may be quickly andeasily converted from oneactuating system to another◗ Arced brake shoes with quickremovable pin mounting◗ Pedestal style base is easilymounted in a small area◗ Optional discs available from 16to 24 inch diameter◗ Disc Speeds up to 2800 rpmwith 16 inch disc◗ QD Bushing compatible, forshaft sizes up to 3.875 inchesThe Brake, Actuator and Disc mustbe ordered separately. QD Bushingand Air Hose are customerfurnished.50000437503750031250250001875012500625024” Disc22” Disc20” DiscSPC-20S18” Disc16” Disc14” Disc0 10 20 30 40 50 60 70 80Air Pressure in PSINOTE: Torque values for spring applied brakeswill vary over the life of the brake as a functionof spring force and the burnishing process ofthe lining. Over the life of the linings, torque valuesmay exceed published values by up to 40%.Static Torque in Inch-PoundsStatic Torque in Inch-Pounds◗ SPC MODEL, SINGLE POST SPRING ACTUATED CALIPER BRAKEOrdering Information:To achieve a complete brake assembly,you must order a Brake, the requirednumber of Actuators and desired Disc.Performance values are dependent uponActuator location, number of Actuatorsand Disc diameter. Determineperformance required from the charts.Brake # of Actuator ShippingProduct Actuators Product Wt.Model Number Required Number (Lbs)SPC-8S 837400 1 837600 77SPC-12S 837400 1 837600 77SPC-20S 837400 2 837600 83◗ TORQUE VS. AIR PRESSURE20000175001500012500100007500500025003000026250225001875015000112507500375024” Disc22” Disc20” Disc18” DiscSPC-8S16” Disc14” Disc0 10 20 30 40 50 60 70 80Air Pressure in PSI24” Disc22” Disc20” DiscSPC-12S18” Disc16” Disc14” Disc0 10 20 30 40 50 60 70 80Air Pressure in PSIEGWXF◗ DISC & QD BUSHING OPTIONSDiscs must be ordered separately. QDBushings are customer furnished. Foradditional Disc details, see pages 174and 175. Bushings fit into the bore ofthe brake disc hub, changing the boreto the size needed.Caution: QD Bushings must be capableof carrying the torque produced by thecaliper brake and disc selected. Checkwith the QD Bushing manufacturer forbushing torque ratings.JHRL K◗ SPRING ACTUATED DIMENTIONSMXEBRAKE ACTUATORYPRODUCT PRODUCTNUMBER NUMBER A B ➀ C D E F G H J K L837400 837600 19.19 24.06 16.44 17.31 3.53 0.56 8.44 5.19 8.50 6.88 2.03M P R S T U V W X Y Z*TZVSUDPAPCB(4).625-11x 2.50 .375 NPT 1.12 6.41 3.29 4.50 1.38 3.62 1.77 6.12 3.00**➀* disc center location **+ disc radius With fully worn linings173

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