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Table of Contents◗APPLICATION ENGINEERING DATA“Air Champ” ®◗ RESPONSE TIME DATAAll data obtained by using 8inch long 1/4 inch diameterhose, 1/8 inch NPT fittingsand quick exhaust valves.t v = Valve delay timetv = 5 msec for .062,3 way valvetv = 8 msec for 4 wayvalve, pilot operatedtv = 70 msec for 4 wayvalve, spring operatedt 1 = Time from start ofvalve open to start oftorque riset 290 = Time from start oftorque rise to 90%value of torquet 2100 = Time from start oftorque rise to 100%value or torquet 3 = Time from start ofvalve exhaust to startof torque decayt 410 = Time from start oftorque decay to 10%valve of torquet 40 = Time from start oftorque decay to 0%value of torque◗ TORQUE RISE RESPONSE% Value of Torque366Time (msec)◗ TORQUE DECAY RESPONSE% Value of TorqueTime (msec)For Clutches and Brakes using “Air Champ®” ValvesC R -Pressure FactorObtain CR values for units from table page 365 and366. Read times at 100 PSIG directly from CR vsResponse Time graphs below◗ 3-WAY VALVE RESPONSE TIMESC R -Pressure Factor1.0.5.2.1.05.03.02Response Time (msec)◗ 4-WAY VALVE RESPONSE TIMES1.0.5.2.1.05.03.02t 3t 2100t110 0t 4t 4t190t 2 10t 4010 20 30 50 100 200 500 1000Response Time (msec)t 290t 3t 2100010 20 30 50 100 200 500 1000t 40Correction factor for operating pressures lessthan 100 PSIG Use formula t p = C p (t) 100◗ 3-WAY CORRECTION FACTOR GRAPHC P -Pressure FactorOperating Pressure (psig)◗ 4-WAY CORRECTION FACTOR GRAPHC P -Pressure Factort p = Response time at pressure PC p = Response pressure factor atpressure P from graph.t 100 = Response time at 100 PSIGCorrection factor for hose lengths greater than 8inches (1-10 FT) Multiply all response times by C Lwhere C L = t 1 + .7 (L - .66)t 1 Found below at operating pressureL Length of hose in feet4.02.01.51.0.8.6.4.24.02.01.51.0.8.6.4.2t 110 20 30 40 50 60 70 80 90 100Operating Pressure (psig)EXAMPLE: Determine the various response times defined for a 625 Modular Brake operating at75 PSIG using a Nexen 4-way valve.SOLUTION: I. Determine the response times at 100 PSIG.1.) Obtain the response factor, C R , from the Clutch andBrake Data Table page 365 and 366 C R = .096.2.) Read the response times at 100 PSIG directly off the 4-wayC R vs. Response Time graph; t 1 = 14 msec, t 290 = 27 msec,t 3 = 14 msec, t 410 = 34 msec, t40 = 46 msec.II. Correct the response times for 75 PSIG.1.) Obtain the C p factor from the 4-way Correction Factor Graph.2.) Calculate the corrected response times using the formula (t) 75 = C P (t) 100 .i.e. (t 1 ) 75 = (1.25) (14 msec) = 17.5 msec(t 290) 75 = (1.08) (27 msec) = 29.2 mseclikewise the following are obtained: (t 2100) 75 = 46 msec, (t 3 ) 75 = 13.3 msec(t 410) 75 = 24 msec, (t 40) 75 = 36.8 msect1100t 290t 2t 3t 40t 410t1t 2100t 290t 3t 40t 41010 20 30 40 50 60 70 80 90 100
Table of Contents◗ CLUTCH AND BRAKE AIR VOLUME/RATEDATA“Air Champ” ®Friction Clutches, inch and metric modelsAir Chamber Air Chamber Response ThermalVolume (Vn) Volume (Vo) Factor DissipationModel New Facings Old Facings (Cr) (HPt)M 0.050 0.104 0.009 0.060BW 0.201 0.630 0.038 0.130F-450 0.266 0.695 0.049 0.250L-600 0.327 0.855 0.060 0.400M-800 0.644 2.000 0.119 0.750H-1000 1.246 5.248 0.230 1.250XHW 2.152 9.856 0.397 2.500Tooth Clutches, inch and metric models5H30 0.439 N/A 0.060 N/A5H35 0.492 N/A 0.067 N/A5H40 0.639 N/A 0.087 N/A5H45 0.763 N/A 0.104 N/A5H50 0.994 N/A 0.136 N/A5H60 1.450 N/A 0.198 N/A5H70 1.731 N/A 0.237 N/A5H20P 0.250 N/A 0.034 N/A5H30P/P-E 0.439 N/A 0.060 N/A5H35P/P-E 0.492 N/A 0.067 N/A5H40P/P-E 0.639 N/A 0.087 N/A5H45P/P-E 0.763 N/A 0.104 N/A5H50P/P-E 0.994 N/A 0.136 N/A5H60P/P-E 1.450 N/A 0.198 N/A5H70P 1.731 N/A 0.237 N/A5H80P 2.647 N/A 0.362 N/A5H100P 3.380 N/A 0.460 N/A5H30P-E .439 N/A 0.060 N/A5H35P-E .492 N/A 0.067 N/A5H40P-E .639 N/A 0.087 N/A5H45P-E .763 N/A 0.104 N/A5H50P-E .994 N/A 0.136 N/A5H60P-E 1.450 N/A 0.198 N/A5H30P-SP/SP-E 1.103 N/A N/A5H35P-SP/SP-E 1.236 N/A Dependent N/A5H40P-SP/SP-E 1.605 N/A Upon N/A5H45P-SP/SP-E 1.917 N/A Engagement N/A5H50P-SP/SP-E 2.496 N/A RPM N/A5H60P-SP/SP-E 3.641 N/A N/A5H70P-SP/SP-E 4.348 N/A N/A5H80P-SP/SP-E 6.649 N/A N/AMulti-Disc Clutches4H30P 0.206 0.041 0.0904H35P 0.284 When 0.056 0.1204H40P 0.330 Properly 0.066 0.1504H45P 0.450 Applied 0.089 0.1804H50P 0.477 Wear Is 0.095 0.1904H60P 0.854 Minimal 0.140 0.2204H70P 1.035 0.160 0.280Dual Plate ClutchesDPC-9T 2.163 11.651 0.309 3.300DPC-11T 4.803 23.288 0.500 5.500DPC-13T 7.326 35.525 0.702 8.000DPC-15T 10.818 52.455 1.133 9.000APPLICATION ENGINEERING DATAFriction Brakes, inch and metric modelsAir Chamber Air Chamber Response ThermalVolume (Vn) Volume (Vo) Factor DissipationModel New Facings Old Facings (Cr) (HPt)M 0.050 0.104 0.009 0.060BW 0.201 0.630 0.038 0.130S-450 0.629 1.422 0.090 0.520S-600 1.024 2.108 0.124 1.300S-800 1.039 3.307 0.199 2.230S-1000 1.739 8.656 0.398 3.000T-450 0.629 1.422 0.090 0.520T-600 1.024 2.108 0.124 1.300T-800 1.039 3.307 0.199 2.230T-1000 1.739 8.656 0.398 3.000Caliper Brakes62510000.0190.0490.0950.2450.0030.008See DiscSee DiscDB 0.400 0.750 0.022 See DiscBC288A 2.120 6.520 0.072 See DiscBC425A 3.620 13.260 0.158 See DiscBC288S 3.760 N/A 0.072 See DiscBC425S 6.240 N/A 0.158 See DiscBD, Air 2.000 16.000 0.159 See DiscBD, Spring 41.600 N/A 0.317 See DiscSPC, Air 2.000 16.000 0.159 See DiscSPC, Spring 41.600 N/A 0.312 See DiscBrake Disc's for Caliper BrakesDB,10” Disc — — — 0.650DB,12”Disc — — — 0.950DB,14” Disc — — — 1.430DB,16” Disc — — — 2.930Dual Plate BrakesDPB-9T 2.163 11.651 0.309 3.300DPB-11T 4.803 23.288 0.500 5.500DPB-13T 7.326 35.525 0.702 8.000DPB-15T 10.818 52.455 1.133 9.000Modular NEMA C Flange ClutchSize 625 0.245 0.835 0.075 0.400Size 875 0.245 0.835 0.075 0.400Size 1125 0.397 1.058 0.095 0.500Size 1375 0.413 1.895 0.137 0.750Modular NEMA C FlangeBrakeSize 625 0.550 1.392 0.096 0.230Size 875 0.550 1.392 0.096 0.230Size 1125 1.276 2.610 0.153 0.330Size 1375 1.600 3.781 0.191 0.500Note: Vn = Air chamber volume, in cubic inches, with new facingsVo = Air chamber volume, in cubic inches, with old facingsHPt = Continuous Thermal dissipation at 1800 RPM exceptModel XHW at 1200 RPMCr = Response Factor; Cr = Air Chamber area ÷ by 100 psiminus pressure to overcomethe return springs.CLUTCH AND BRAKE AIR VOLUME/RATEDATA (CONTINUED NEXT PAGE)367
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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◗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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Table of Contents◗CALIPER BRAKES
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Table of Contents◗CALIPER BRAKESS
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Table of Contents◗DRUM BRAKES“A
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Table of ContentsDRUM BRAKES “Air
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Table of ContentsDRUM BRAKES “Air
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Table of Contents◗HEAVY DUTY BRAK
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Table of Contents◗METRIC BRAKES
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Table of Contents◗BRAKESWeb Produ
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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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Page 316 and 317: Table of Contents◗TENSION CONTROL
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Page 336 and 337: Table of Contents◗WEB AUXILLARY C
Page 342 and 343: Table of Contents◗CONTROLS“Air
Page 352 and 353: Table of Contents◗REPAIR KITS“A
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friction clutches - Arten Freios e Embreagens Industriais

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