friction clutches - Arten Freios e Embreagens Industriais

Table of Contents◗CALIPER BRAKES“Air Champ” ®BD MODEL AIR ACTUATEDCALIPER BRAKESBD Model Air Actuated CaliperBrakes provide:◗ Static Torque capacity up to19,000 In. Lbs. psi with 24 inchdisc◗ Air Actuated◗ Actuators mount on either sideof the brake◗ Air connections can be rotated360 degrees around actuatoraxis◗ Multiply stopping power byinstalling more than one caliperbrake per disc◗ Shoes are mounted with detentpins for quick replacement◗ Caliper spacing fits 0.500 inchwide discs◗ SPC shoes fit on BD ModelCaliper Brakes for longer life andhigher peak input rate◗ All pivot points have lifelubricatedbearings◗ Optional discs from 12 to 24inch diameters◗ Disc Speeds up to 3200 rpmwith 14 inch discs◗ QD Bushing compatible, forshaft sizes up to 3.875 inchesThe Disc, Air Regulator and Valvemust be ordered separately. QDBushing is customer furnished.◗ BD MODEL, AIR ACTUATED CALIPER BRAKESProduct Torque Shipping Wt.Model Number Factor (Lbs)BD, Air Actuated 933600 See Torque Chart 35for Values by Disc SizeAir Hose must be customer furnished.◗ 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.NOTE: Air Regulator and Valve requirements will depend upon your application.Consult Nexen for proper specifications.◗ TORQUE VS. AIR PRESSUREStatic Torque in Inch-Pounds2000017500150001250010000750050002500BD Air Actuated0 10 20 30 40 50 60 70 80Air Pressure in PSINOTE: Dynamic torque is approximately 85% of static torque.24” Disc22” Disc20” Disc18” Disc16” Disc14” Disc12” Disc166