friction clutches - Arten Freios e Embreagens Industriais

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Table of Contents◗TENSION CONTROL BRAKESWeb ProductsXTB 14A & XTB 14 Tension Control BrakesNote:Dimensions inINCHES[MM]A B G BORE RANGES *MODEL W/OUT WITH C D E * FGUARD GUARDSTD. MIN. MAXH J K LXTB 14A 20.75 22.06 6.64 14.0 .500 STD (3) .500-13 1.937 1.625 2.500 18.5 4.125 2.52 20.00& XTB 14 [527] [560] [169] [356] [12,7] [12,7] [49] [41] [63,5] [470] [105] [64] [508]* Bored-to-size rotors available upon request. See Bore & Keyway Dimensions.NumberNumberXTB 14A & XTB 14 TORQUE (INCH POUNDS)Coefficient of Frictionof 0.15 (LoCo) 0.30 (Std)Calipers 80 PSI 1 PSI 80 PSI 1 PSI1 687 9 1116 142 1374 17 2233 283 2061 26 3348 424 2748 34 4464 565 3435 43 5580 706 4122 52 6697 837 4809 60 7813 98Note: Rated torque may vary depending on operating conditions.Friction coefficients are nominalXTB 14A & XTB 14 TORQUE (NEWTON METERS)Coefficient of Frictionof 0.15 (LoCo) 0.30 (Std)Calipers 550 kPa 7 kPa 550 kPa 7 kPa1 78 1 126 1,52 155 1,9 252 3,13 233 2,9 378 4,74 311 3,8 505 6,35 388 4,9 630 7,86 466 5,9 757 9,57 543 6,8 883 11,1Torque Values for Ultra LoCo “FacingsMultily “LoCo” torque by 0.67 for the torque with Ultra LoCo facings.CONTINUOUS THERMAL DISSIPATION (Hp)Cross Drilled XTB 14A vs. XTB 14THERMAL HORSEPOWER vs. SPEED(Speed Limited to 2400 RPM)28.00 21,026.00 19,524.00 18,0122.00 16,520.00 2 15,018.00 13,516.00 3 12,014.00 4 10,512.00 9,010.00 7,58.00 6,06.00 4,54.00 3,02.00 1,50 00 500 1000 1500 2000 2500 3000SPEED RPM1 XTB 14A, Optimum HP t , Cross-Drilled Rotor 2 XTB 14, Optimum HP t , Standard Rotor3 XTB 14A, Optimum Facing Wear, Cross-Drilled Rotor 4 XTB 14, Optimum Facing Wear, Standard RotorCONTINUOUS THERMAL DISSIPATION (kW)208
Table of ContentsWeb ProductsTENSION CONTROL BRAKES ◗XTB 14A & XTB 14 Tension Control BrakesBore RangeBORE AND KEYWAY DIMENSIONSKey (Square) Keyway Tolerance1.250 0.250 +.002 –.000[29,21] [6,35] [+0,05 – 0,0]1.312 – 1.375 0.312 +.003 –.000[33,32 – 34,92] [7,92] [+0,07 – 0,0]1.437 – 1.750 0.375 +.003 –.000[36,50 – 44,45] [9,53] [+0,07 – 0,0]1.812 – 2.125 0.500 +.003 –.000[46,02 – 53,98] [12,7] [+0,07 – 0,0]Note: Bushings notacceptable for XTBapplications. Boresizes not indicatedare available (seeMin./Max, ranges ondimensional drawing).ORDERING INFORMATIONXTB Tension Controlled Brakes are custom assembled for each application.Consult with Nexen Technical Service to determine your exact needs.Quantity Description Shipping Wt.Lbs. [Kg]1 Rotor, Hub, & Mounting Plate Assembly See below1–7 Caliper Assemblies as required See below1–7 Friction Facing Kits as required See below1 Guard (Product No. 835448) 17 [7,7]ROTOR, HUB & MOUNTING PLATEBest thermal dissipation if brake is ordered for direction of rotation. Reduce by 10% for 0-500 RPM and reduce by 25% for 501-1800 RPM.Hub Bore Hub Bore Rotor ShippingModel (CCW) Diameter Product Model (CW) Diameter Product Max. Inertia Wt.INCHES Number INCHES Number RPM Lb.Ft 2 Lbs.[MM] [MM] [Kgm 2 ] [Kg]XTB 14A 1.625 835663 XTB 14A 1.625 835662 3000 6.80 80XTB 14 [41,2] 835422 XTB 14 [41,2] 835421 [0,28] [36,3]XTB 14A 1.9375 835665 XTB 14A 1.9375 835664 3000 6.80 82XTB 14 [49,2] 835424 XTB 14 [49,2] 835423 [0,28] [37,2]XTB 14A 2.50 835667 XTB 14A 2.50 835666 3000 6.80 77XTB 14 [64] 835426 XTB 14 [64] 835425 [0,28] [35,0]NOTE: XTB 14A Rotors are Cross-Drilled for Optimum Thermal Dissipation.CALIPER ASSEMBLIESEach caliper assembly has two caliper halves. Order one caliperassembly for each caliper position. The number of caliperpositions is determined by your torque requirements.ProductShipping Wt.Model Number Description Lbs. [Kg]XTB 14 835451 1 Caliper Assembly 4.5 [2]FACING KITS–ALL MODELSFacing kits contain two asbestos-free facings of organic Ultra LoCo, lowcoefficient of <strong>friction</strong>, or standard coefficient of <strong>friction</strong> low dust Kevlar ® .One facing kit per caliper assembly is required.Facing Ultra LoCo (0.10) LoCo (0.15) STD. (0.30) Kevlar ® Shipping Wt.Kits Product No. Product No. Product No. Lbs. [Kg]1 835643 835471 835631 1 1.00 [0,45]1 Use ‘Optimum Facing Wear’ Thermal Curves.Kevlar ® is a registered trademark of DuPont Company.209
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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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Table of ContentsEclipse SERVOMOTOR
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Table of ContentsEclipse SERVOMOTOR
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Table of ContentsEclipse LINEAR MOT
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Table of ContentsEclipse NEMA AC MO
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Table of ContentsEclipse METRIC AC
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Table of Contents◗ BW MODEL BRAKE
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Page 160 and 161: Table of Contents◗CALIPER BRAKES
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Page 176 and 177: Table of Contents◗DRUM BRAKES“A
Page 178 and 179: Table of ContentsDRUM BRAKES “Air
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Page 182 and 183: Table of Contents◗HEAVY DUTY BRAK
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Table of Contents◗CLUTCH/BRAKES
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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 AUXILLARY C
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Table of Contents◗REPAIR KITS“A
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