Axial Piston Fixed Displacment Motor AA2FM (A2FM) - Group VH A/S

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6/36 Bosch Rexroth Corp. AA2FM RA 91 001/07.05Technical DataShaft seal ringPermissible pressure loadThe service life of the shaft seal ring is affected by the speed ofthe motor and the case drain pressure. The permitted loadingwith intermittent case drain pressure depends on the rotationalspeed (see chart). Short-term (t < 5 min) pressure spikes of upto 145 psi (10 bar) absolute are permitted.The average permanent case drain pressure must not exceed43.5 psi (3 bar) absolute.The pressure in the case must be equal to or greater than theexternal pressure on the shaft seal.Sizes 10...200barpsi101409perm. pressure pabs. max. (bar)8sizes 10, 12, 1612076sizes 23, 28, 32 10054size 45sizes 80, 90sizes 56, 638060sizes 107, 125340sizes 160, 1802size 200201150 1000 2000 3000 4000 5000 6000 7000 8000Sizes 250...1000bar6perm. pressure pabs. max. (bar)5432sizes 710, 1000size 500speed n (rpm)size 250size 35510 500 1000 1500 2000 2500speed n (rpm)Temperature rangeThe FKM shaft seal is admissible for a housing temperaturerange from-13°F to +240°F (-25°C to +115°C) at sizes 5...200 and-13°F to +195°F (-25°C to +90°C) at sizes 250...1000Note:For applications below -13°F (-25 °C) a Buna-N (NBR) shaftseal is necessary (admissible temperature range -40 °F to+195 °F / -40 °C to +90 °C). Please contact us.psi8070605040302015
RA 91 001/07.05 AA2FM Bosch Rexroth Corp. 7/36Technical DataTable of values (theoretical values, ignoring η mh and η v ; values rounded)Size 5 10 12 16 23 28 32 45 56 63 80Diplacement V g in 3 0.30 0.63 0.73 0.98 1.40 1.71 1.95 2.78 3.42 3.84 4.91cm 3 4.93 10.3 12 16 22.9 28.1 32 45.6 56.1 63 80.4Speed max. n max rpm 10000 8000 8000 8000 6300 6300 6300 5600 5000 5000 4500n max intermit. 1 )rpm 11000 8800 8800 8800 6900 6900 6900 6200 5500 5500 5000Flow max. q V max gpm 13 21.8 25.3 33.9 38.2 46.6 52.2 67.4 74.0 83.1 95.6L/min 49 82 96 128 144 176 201 255 280 315 360Torque constants T K lb-ft/psi 0.004 0.0084 0.0097 0.013 0.019 0.023 0.026 0.037 0.045 0.051 0.065Nm/bar 0.076 0.164 0.19 0.25 0.36 0.445 0.509 0.725 0.89 1.0 1.27Torque at Δp = 5100 psi T lb-ft 18 2 ) 42 49 66 94 115 132 188 231 259 332Δp = 350 bar T Nm 24,7 2 ) 57 67 88 126 156 178 254 312 350 445Δp = 5800 psiT lb-ft – 48 56 75 107 131 150 213 263 295 377Δp = 400 bar T Nm – 65 76 100 144 178 204 290 356 400 508Mass moment of inertia J lbs-ft 2 0.0019 0.00 95 0.0095 0.0095 0.0285 0.0285 0.0285 0.0569 0.0997 0.0997 0.1708around output shaftkgm 2 0.00008 0.0004 0.0004 0.0004 0.0012 0.0012 0.0012 0.0024 0.0042 0.0042 0.0072Filling capacity gal 0.045 0.045 0.045 0.053 0.053 0.053 0.087 0.119 0.119 0.145L 0.17 0.17 0.17 0.20 0.20 0.20 0.33 0.45 0.45 0.55Mass (approx.) m lbs 5.5 12 12 12 21 21 21 30 40 40 51kg 2.5 5.4 5.4 5.4 9.5 9.5 9.5 13.5 18 18 23Size 90 107 125 160 180 200 250 355 500 710 1000Displacement V g in 3 5.49 6.51 7.63 9.79 10.98 12.20 15.25 21.66 30.51 43.33 61.02cm 3 90 106.7 125 160.4 180 200 250 355 500 710 1000Speed max. n max rpm 4500 4000 4000 3600 3600 2750 2700 2240 2000 1600 1600n 1 max intermit. )rpm 5000 4400 4400 4000 4000 3000 – – – – –Flow max. q V max gpm 106.9 112.7 132.1 152.5 171.1 145.2 178 210 264 300 422L/min 405 427 500 577 648 550 675 795 1000 1136 1600Torque constants T K lb-ft/psi 0.073 0.086 0.101 0.130 0.146 0.162 0.202 0.287 0.405 0.575 0.809Nm/bar 1,43 1,70 1,99 2,54 2,86 3,18 3,98 5,65 7,96 11,3 15,9Torque at Δp = 5100 psi T lb-ft 371 440 516 662 742 825 1030 1465 2063 2930 4127Δp = 350 bar T Nm 501 595 697 889 1001 1114 1393 1978 2785 3955 5570Δp = 5800 psi T lb-ft 422 500 587 753 844 938 – – – – –Δp = 400 bar T Nm 572 680 796 1016 1144 1272 – – – – –Mass moment of inertia J lbs-ft 2 0.1708 0.2753 0.2753 0.5221 0.5221 0.8970 1.4475 2.4205 4.2240 13.052 13.052around output shaftkgm 2 0.0072 0.0116 0.0116 0.0220 0.0220 0.0378 0.061 0.102 0.178 0.55 0.55Filling capacity gal 0.145 0.211 0.211 0.291 0.291 0.713 0.660 0.925 1.110 2.113 2.113L 0.55 0.8 0.8 1.1 1.1 2.7 2.5 3.5 4.2 8 8Mass (approx.) m lbs 51 71 71 99 99 145 161 242 342 715 741kg 23 32 32 45 45 66 73 110 155 325 3361 ) intermittent maximum speed: overspeed at discharge and over-running travel operations, t < 5 sec. and Δp < 2200 psi (150 bar)2 ) Δp = 4600 psi (315 bar)
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Axial Piston Fixed Displacment Motor AA2FM (A2FM) - Group VH A/S

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