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Table of Contents◗CALIPER BRAKES“Air Champ” ®BD MODEL SPRINGACTUATED CALIPER BRAKESBD Model Spring Actuated CaliperBrakes provide:◗ Static Torque capacity up to19,000 In. Lbs.◗ Spring 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◗ 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, SPRING ACTUATED, AIR RELEASED, CALIPER BRAKESProduct MIN Disengage Shipping Wt.Model Number Air Pressure (Lbs)BD, Spring Actuated, 933500 75 PSI 41Air Released◗ 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-Pounds200001750015000125001000075005000250024.00” DiscBD Spring Actuated22.00” Disc20.00” Disc12.00” Disc18.00” Disc16.00” Disc14.00” Disc0 10 20 30 40 50 60 70 80Air Pressure in PSINOTE: Dynamic torque is approximately 85% of static torque.◗ BD MODEL, SPRING ACTUATED, HYDRAULIC RELEASED, CALIPER BRAKESProduct Torque Maximum MIN Disengage Shipping Wt.Model Number Factor (f) Pressure (PSI) Air Pressure (PSI) (Lbs)933700 2200 Lbs 1500 250 65BD, Spring Actuated, 933701 440 Lbs 1500 50 65Hydraulic Released 933702 1500 Lbs 1500 170 65933703 650 Lbs 1500 75 65Disc working radius (R) = DIA/2 -1.437, For 18" Disc and larger.Calculated Torque = fR, Example: Product 933700 with a 24" Disc; 2200 x 10.563 = 23,000 In.Lbs.168
Table of Contents“Air Champ” ®CALIPER BRAKES ◗BD MODEL SPRING ACTUATED CALIPER BRAKES - APPROXIMATE DIMENSIONS (INCHES)BAAIR INLET.375-18 NPTFNMSFHKJ(4).625-11 x1.50 (38,1)SOCKET. HD.CAP SCREWSGDE5.32135,2CC OF DISCPRODUCTNUMBER A B* C D E F G H J K M N P Q R S933500 15.64 11.00 9.31 8.188 0.75 4.12 1.75 3.00 1.25 1.50 12.94 3.51 4.81 3.75 1.875 0.75397,2 279,0 236,2 208,03 14,27 104,6 44,5 76,2 31,7 38,1 322,2 89,1 122,2 95,8 47,9 19,0*with fully worn facings. Please consult Nexen’s website for current dimension information.QRPBD MODEL SPRING ACTUATED, HYDRAULIC RELEASE CALIPER BRAKES - APPROXIMATEDIMENSIONS (INCHES)BANF HKJMSGECDQPRPRODUCTNUMBER A B C D E F G H J K L M N P Q R S933700 14.39 9.74 9.31 8.19 .911 4.12 2.69 3.00 1.25 1.50 0.25 13.03 4.76 7.00 3.77 1.88 0.75933701 14.32 9.66 9.31 8.19 .561 4.12 2.69 3.00 1.25 1.50 0.25 13.03 4.76 7.00 3.77 1.88 0.75933702 14.32 9.66 9.31 8.19 1.060 4.12 2.69 3.00 1.25 1.50 0.25 13.03 4.76 7.00 3.77 1.88 0.75933703 14.32 9.66 9.31 8.19 1.060 4.12 2.69 3.00 1.25 1.50 0.25 13.03 4.76 7.00 3.77 1.88 0.75169
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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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Page 127 and 128: Table of ContentsEclipse SERVOMOTOR
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Page 131 and 132: Table of ContentsEclipse LINEAR MOT
Page 133 and 134: Table of ContentsEclipse NEMA AC MO
Page 135 and 136: Table of ContentsEclipse METRIC AC
Page 137 and 138: Table of Contents◗ BW MODEL BRAKE
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
Page 180 and 181: Table of ContentsDRUM BRAKES “Air
Page 182 and 183: Table of Contents◗HEAVY DUTY BRAK
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Table of Contents◗TENSION CONTROL
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Table of Contents◗CLUTCH/BRAKES
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Table of Contents◗CLUTCH/BRAKESFM
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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◗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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friction clutches - Arten Freios e Embreagens Industriais

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