Axial Piston Fixed Motor A2FM/A2FE Series 70
RE 91071/2020-03-12Replaces: 2019-08-19Axial piston fixed motorA2FM/A2FE Series 70 A2FMN, A2FEN (sizes 28 to 107):Nominal pressure 300 barMaximum pressure 350 bar A2FMM, A2FEM (sizes 23 to 125):Nominal pressure 400 barMaximum pressure 450 bar A2FMH, A2FEH (sizes 45 to 125):Nominal pressure 450 barMaximum pressure 500 barFeaturesContents Fixed motor with axial tapered piston rotary group ofType code2bent-axis design, for hydrostatic drives in open andHydraulic fluids5closed circuitsFlow direction6 For use in mobile and stationary applicationsWorking pressure range6 Far-reaching integration of the plug-in version inTechnical data8mechanical gears due to recessed mounting flangeDimensions A2FM, sizes 23, 28, 32, 37, 4511located in the center of the caseDimensions A2FE, sizes 23, 28, 32, 37, 4515(extremely space-saving construction)Dimensions A2FM, sizes 45, 56, 63 and 8020 Easy to install, simply plug the plug-in version into themechanical gearbox The output speed depends on the flow of the pumpand the displacement of the motor. The output torque increases with the pressureDimensions A2FE, sizes 45, 56, 63 and 8023Dimensions A2FM, sizes 80, 90 and 10726Dimensions A2FE, sizes 80, 90 and 10728Dimensions A2FM, sizes 107 and 12531Dimensions A2FM, sizes 107 and 12534differential between the high-pressure side and theFlushing and boost-pressure valve, integrated38low-pressure side.Pressure relief valve39Counterbalance valve BVD41Port plate with integrated check valve (U)44Flow direction44 Small dimensionsSpeed sensors DSA and DSM45 High total efficiencyInstallation instructions46 Good starting efficiencySafety instructions48 Finely graduated sizes permit far-reaching adaptationto the drive concerned High power density Optional with integrated flushing valve RE 91071/2020-03-12, Bosch Rexroth AG
2A2FM/A2FE Series 70 Axial piston fixed motorType codeType l piston unit01Bent-axis design, fixed displacementA2FOperating mode02Motor, standard versionMMotor, plug-in versionEPressure range03023 028 032 037 045 056 063 080 090 107 125Nominal pressure: 300 bar, maximum pressure: 350 bar‒ ‒NNominal pressure: 400 bar, maximum pressure: 450 bar ‒ MNominal pressure: 450 bar, maximum pressure: 500 bar‒‒‒‒ HSize (NG)04Geometric displacementsee technical data on page 7023 028 032 037 045 056 063 080 090 107 125Series05Series 7, index 070Version of port and fastening threads06Metric ports according to DIN 3852 with profile sealing ring, metric fastening thread according to DIN 13NRotational direction07Viewed on drive shaft, bidirectionalWSealing material08FKM (fluoroelastomer)VMounting flange09023 028 032 037 045 056 063 080 090 107 125ISO 3019-2 (metric)100-4 (only available for A2FM) 1)‒‒‒‒‒125-4 (only available for A2FM)‒‒‒‒ 3) 1)‒‒140-4 (only available for A2FM)‒‒‒‒‒‒‒ 3) 1)‒N4160-4 (only available for A2FM)‒‒‒‒‒‒‒‒‒ 3) P4135-2 (only available for A2FE) 1)‒‒‒‒‒‒I23)160-2 (only available for A2FE)‒‒‒‒190-2 (only available for A2FE)‒‒‒‒200-2 (only available for A2FE)Drive shaft10‒‒‒‒‒1)‒‒‒P2 1)‒Y2‒3) S2 ‒‒ 3)‒‒L4M4‒ 023 028 032 037 045 056 063 080 090 107 125Splined shaft DIN 5480Parallel keyedshaft DIN 6885 Available‒ ‒W25x1.25x18x9g ‒‒‒2)‒‒‒‒‒Z5Z6W30x2x14x9g ‒‒‒‒‒W35x2x16x9g‒‒‒‒‒ 3) 2)‒‒‒Z8W40x2x18x9g‒‒‒‒‒‒‒ 3) ‒Z9W45x2x18x9g‒‒‒‒‒‒‒‒‒ 3) A1ø25 ‒‒‒‒‒‒‒‒P5P62)ø30 ‒‒‒‒‒ø35‒‒‒‒‒ 3) 2)‒‒‒P8ø40‒‒‒‒‒‒‒ 3) ‒P9ø45‒‒‒‒‒‒‒‒‒ 3) B1 On requestBosch Rexroth AG, RE 91071/2020-03-12‒ Not available
Axial piston fixed motor A2FM/A2FE Series 70Type code01020304A2F/0506070870NWVWorking port111)6)SAE working ports A and B at rear 11‒‒ ‒‒‒123) 1) 1)3)‒‒‒‒ 01 02‒‒‒‒‒‒05 ‒‒‒‒ ‒‒07Version with pressure reducing valves2)3)8)‒‒‒‒ ‒‒09 023 028 032 037 045 056 063 080 090 107 125Without valvesFlushing flow [l/min] 2.6 0 4) 4) 4) 4) 5) 5) 5) 5) 4) 4)‒U ‒‒C4.0 D6.0 E7.4 F8.5 G10.0 H11.4 ‒‒I12.5 ‒‒J15‒‒‒‒‒‒‒‒‒ 3) K18‒‒‒‒‒‒‒‒‒ 3) L21‒‒‒‒‒‒‒‒‒ 3) M27‒‒‒‒‒‒‒‒‒ 3) N31‒‒‒‒‒‒‒‒‒ 3) O‒‒‒‒‒‒‒‒‒ 3) PPressure relief valves (without pressure boost facility)‒‒‒‒ ‒‒RPressure-relief valves (with pressure boost facility)2)3)9)‒‒‒‒ ‒‒S‒‒‒‒ ‒‒W2)3)10)11)023 028 032 037 045 056 063 080 090 107 125Without speed sensor 0Prepared for DSA sensor ADSA speed sensor mounted BPrepared for DSM sensor (not available for A2FE) NSpeed sensor DSM mounted (not available for A2FE) M Available ‒ Speed sensor7) ‒ Counterbalance valve BVD installed6) ‒ 2)3)9)5)15 374)14Version with pressure reducing valvesfor mounting a counterbalance valve BVD2)3)7)Integrated flushing andboost pressure valveFlushing flow when:Δp pND ‒ pG 25 barand ν 10 mm2/s3)13Threaded ports A and B, at side, oppositeWith check valve, only for counter-clockwise or clockwise rotational direction1)2)12 Valves1)11‒ SAE working ports A and B at side, opposite1310023 028 032 037 045 056 063 080 090 107 125SAE working ports A and B at bottomSAE working ports A and B, 1 at side and 1 at bottom12093 On request‒ Not availableOnly available for A2FMN, A2FEN (pressure range 300 to 350 bar)Not available for A2FMH, A2FEH (pressure range 450 to 500 bar)Not available for A2FMN, A2FEN (pressure range 300 to 350 bar)Only in combination with working ports 11Only in combination with working ports 11 or 12Only in combination with check valve (valve design U)Only in combination with mounted counterbalance valve (valve design W)Only in combination with pressure relief valve (valve designs R or S)Only in combination with working ports 0910) Only in combination with working ports 0711) Type code for counterbalance valve to be quoted separatelyin accordance with data sheet 95522 (BVD) and 95526 (BVE)8)9)RE 91071/2020-03-12, Bosch Rexroth AG
4A2FM/A2FE Series 70 Axial piston fixed motorType ial version14Standard version012)13)Long-life bearingLSpecial version for slew drives14)JStandard/special version15Standard version0Standard version with installation variants, e.g. T ports contrary to standard, open or closedYSpecial versionS Available On request‒ Not availableNotices Note the project planning notes on page 48. Please note that not all type code combinationsare available although the individual functions aremarked as being available.12)Type code version "L" not available in combination with A2FMH/A2FEHsince in the case of pressure range "H" the long-life bearing is alreadyincluded in the standard version (type code designation "0").Bosch Rexroth AG, RE 91071/2020-03-1213) Not14) Notfor size 23 to 37 and 45 (N)available for A2FMN, A2FEN (pressure range 300 to 350 bar)
Axial piston fixed motor A2FM/A2FE Series 70Hydraulic fluids5Hydraulic fluidsThe fixed motor A2FM/A2FE is designed for operationInformation on the selection of hydraulic fluidwith HLP mineral oil according to DIN 51524.Selection of hydraulic fluid shall make sure that theApplication instructions and requirements for hydraulicoperating viscosity in the operating temperature rangefluid selection, behavior during operation as wellis within the optimum range (νopt; see selection diagram).as disposal and environmental protection should be takenNoticefrom the following data sheets before the start of projectFor operation with HF hydraulic fluids, please contact us.planning: 90220: Hydraulic fluids based on mineral oils andrelated hydrocarbons 90221: Environmentally acceptable hydraulic fluidsViscosity and temperature of hydraulic fluidsViscosityCold startShaft sealνmax 1600mm²/sWarm-up phaseν 1600 400mm²/sContinuousoperationν 400 10mm²/s1)2)Temperature3)Commentt 3min, without load (p 50bar), n 1000 rpmPermissible temperature difference between axial pistonunit and hydraulic fluid in the system maximum 25 KNBRθSt -40 CFKMθSt -25 CNBR2)θ 78 CFKMθ 103 Ct 15min, p 0.7 pnom and n 0.5 nnomνopt 36 16mm²/sShort-term operationνmin 10 7mm²/smeasured at port Toptimal operating viscosity and efficiency range2)NBRθ 78 CFKMθ 103 Ct 3min, p 0.3 pnom , measured at port T Selection diagramMaximum permissible viscosity on cold start16001000600400Warm-up phaseνoptViscosity ν [mm2/s]Continuous operation010VG 68VG 46VG 32VG 22VG200100604036201610Minimum permissible viscosity for short-term operation7 40 25 1001030 40 507090115Temperature θ [ C]1)2) This corresponds, for example on the VG 46, to a temperaturerange of 4 C to 85 C (see selection diagram)Special version, please contact us3)If the temperature at extreme operating parameters cannotbe adhered to, please contact us.RE 91071/2020-03-12, Bosch Rexroth AG
6A2FM/A2FE Series 70 Axial piston fixed motorFlow directionFlow directionFiltration of the hydraulic fluidFiner filtration improves the cleanliness levelof the hydraulic fluid, which increases the service lifeof the axial piston unit.A cleanliness level of at least 20/18/15 is to be maintainedRotational direction viewed on drive shaftclockwisecounter-clockwiseA to BB to Aaccording to ISO 4406.At a hydraulic fluid viscosity of less than 10 mm²/s(e.g. due to high temperatures during short-term operation)at the drain port, a cleanliness level of at least 19/17/14under ISO 4406 is required.For example, the viscosity 10 mm²/s at: HLP 32 a temperature of 73 C HLP 46 a temperature of 85 CWorking pressure rangePressure at working port A or BNominal pressurepnomMaximum pressurepmaxDefinitionA2FMN, A2FEN300 barA2FMM, A2FEM400 barA2FMH, A2FEH450 barA2FMN, A2FEN350 barA2FMM, A2FEM450 barA2FMH, A2FEH500 barMaximum single operating period10 sTotal operating period300 hThe nominal pressure corresponds to the maximum design pressure.The maximum pressure corresponds to the maximum working pressure duringa single operating period. The sum of single operating periods must not exceedthe total operating period.Minimum pressure – pump operating mode see the(inlet)diagramTo prevent damage to the axial piston motor in pump operating mode(change of the high-pressure side at constant rotational direction,e.g. during brake applications) a minimum pressure has to be ensuredat the working port (inlet). The minimum pressure depends on therotational speed and displacement of the axial piston unit.Summation pressure pSuThe summation pressure is the sum of the pressures at the ports for theWorking lines (A and B).700 barRate of pressure change RA maxwith integrated pressure relief valve9000 bar/swithout pressure relief valve16000 bar/sMaximum permissible pressure build-up and reduction speed during a pressurechange across the entire pressure range.Case pressure at port TContinuous differential pressure pL/TPressure peaks pL/TcontpeakBosch Rexroth AG, RE 91071/2020-03-122 barMaximum averaged differential pressure at the shaft seal(case to ambient pressure)10 bart 0.1 s
Axial piston fixed motor A2FM/A2FE Series 70Flow direction Rate of pressure change RA maxNotice Working pressure range applies when using hydraulicpnomfluids based on mineral oils. Please contact tPressure p7us for values for other hydraulic fluids. In addition to the hydraulic fluid and the temperature,the service life of the shaft seal is influenced by the protational speed of the axial piston unit and the casepressure. The service life of the shaft seal decreases withincreasing frequency of pressure peaks and increasingTime tmean differential pressure. The case pressure must be greater than the ambient Minimum pressure – pump operating mode (inlet)pressure.Inlet pressure pabs [bar]12108642100.20.40.60.81.0Rotational speed n / nnomThis diagram is only valid for the optimum viscosityrange of νopt 36 to 16 mm2/s.If the above-mentioned conditions cannot be ensured,please contact us. RE 91071/2020-03-12, Bosch Rexroth AG
8A2FM/A2FE Series 70 Axial piston fixed motorTechnical dataTechnical dataA2FMN, A2FENSizeNG2832374556638090107Displacement geometric, per .8Maximum rotational nmax2)rpm517551754650465041254125370037003300qv maxl/min133151155186212236276305326Inlet flowTorque3)at Δp 300 barTNm134153176211270301390432519Rotary 8510.96Moment of inertia of the rotary groupJTWkgm20.0010 0.0011 0.0012 0.0012 0.0034 0.0035 0.0037 0.0058 0.0061Case volumeVl0.30.30.30.30.60.60.60.650.65Weight 90107125A2FMM, A2FEMSizeNG3Displacement geometric, per 7125.0Maximum rotational 400Inlet flowTorque3)at Δp 400 barqv max 4913.65TNmRotary stiffnesscminkNm/radMoment of inertia of the rotary groupJTWkgm20.0010 0.0010 0.0011 0.0033 0.0034 0.0035 0.0056 0.0058 0.0088 0.0091Case volumeVl0.30.30.30.60.60.60.650.651.11.1Weight approx.mkg10.710.710.7171717232332.832.8A2FMH, A2FEHSizeNG4556638090107125Displacement geometric, per aximum rotational speed1)Inlet 500044004400qv 895Rotary Moment of inertia of the rotary groupJTWkgm20.0033 0.0034 0.0035 0.0056 0.0058 0.0088 0.0091Case volumeVl0.60.60.60.650.651.11.1Weight approx.mkg171717232332.832.8Torqueat Δp 450 barrpmnmax2) rpmSpeed rangeNo limit to minimum speed nmin. If uniformity of motionis required, rotational speed nmin must not be less than50 rpm.1)The valid values (observing the maximum permissible inlet flow):–– for the optimum viscosity range from νopt 36 to 16 mm2/s–– with hydraulic fluid based on mineral oilsBosch Rexroth AG, RE 91071/2020-03-122)3)Intermittent maximum speed: Overspeed for unload and overhaulingprocesses, t 5 s and Δp 150 barTorque without radial force, with radial force see page 9
Axial piston fixed motor A2FM/A2FE Series 70Technical data9Permissible radial and axial loading on the drive shaftsA2FMN, A2FENSizeNGZ5/P5 Z6/P6 Z5/P5 Z6/P6 Z6/P6 Z6/P6 Z6/P6 Z8/P8 Z8/P8 Z9/P9 Z9/P928283232374556638090107with splined shaftømm2530253030303035354040with keyed shaftømm2530253030303035354040Fq 16161818182020Maximum torque at Fq maxTq maxNm134134153153176211270301390432519Maximum differential pressure at Fq maxΔp q maxbar300300300300300300300300300300300 Fax maxN00000000000 Fax maxN50050050050050050080080080010001000Permissible axial force per bar Fax perm/N/bar 5.25.25.25.25.25.28.78.78.710.610.6working pressurebarDrive shaftFqMaximum radialforce1) at distance a(from shaft collar)Maximum axial forceat standstill or pressure-free operationaFax –A2FMM, A2FEMSizeNGZ5/ Z6/ Z5/ Z6/ Z5/ Z6/ Z6/ Z6/ Z8/ Z8/ Z8/ Z9/ Z9/ Z9/ A1/P5 P6 P5 P6 P5 P6 P6 P6 P8 P8 P8 P9 P9 P9 B1A1/B123232828323245565663808090107 107125with splined shaftømm25302530253030303535354040404545with keyed shaftømm25302530253030303535354040404545Fq maxkN4.7 3.9 5.7 4.8 6.5 5.4 7.6 9.6 8.2 9.2 11.6 10.2 11.5 13.6 12.114.1amm1620Maximum torque at Fq maxTq maxNm146 146 179 179 204 204 286 360 360 401 508 508 576 679 679796Maximum differential pressure at Fq maxΔp q maxbar400 400 400 400 400 400 400 400 400 400 400 400 400 400 400400 Fax maxN00 Fax maxN500 500 500 500 500 500 800 800 800 800 1000 1000 1000 1250 1250 1250Drive shaftFqMaximum radialforce1) at distance a(from shaft collar)Maximum axial forceat standstill or pressure-free operationaFax –Permissible axial force per bar working pres- Fax 0200N/bar 5.2 5.2 5.2 5.2 5.2 5.2 8.7 8.7 8.7 8.7 10.6 10.6 10.6 12.9 12.912.9A2FMH, 14556638090107107125with splined shaftømm3035354040404545with keyed shaftømm3035354040404545Fq 2020Maximum torque at Fq maxTq maxNm322405451572648764764895Maximum differential pressure at Fq maxΔp q maxbar450450450450450450450450 Fax maxN00000000 Fax maxN80080080010001000125012501250Permissible axial force per bar working Fax perm/N/bar 8.78.78.710.610.612.912.912.9pressurebarDrive shaftFqMaximum radialforce1) at distance a(from shaft collar)aMaximum axial forceat standstill orpressure-freeFax –operation1) With intermittent operationRE 91071/2020-03-12, Bosch Rexroth AG
10A2FM/A2FE Series 70 Axial piston fixed motorTechnical dataEffect of radial force Fq on bearing service lifeDetermining the operating characteristicsInlet flowqvRotationalspeedn TorqueT PowerPVg n [l/min]1000 ηvcan be reduced, thus optimizing the service life of theqv 1000 ηv [rpm]Vg[Nm]20 π60000bearings. Recommended position of mating gear is dependent on the rotational direction. Examples:Vg Δp ηmh2 π T nBy selecting a suitable direction of radial force Fq, the loadon the bearings, caused by the internal rotary group forces qv Δp ηt[kW]600 Toothed gear drive3Key t Displacement per revolution [cm ]Δp Differential pressure [bar]n Rotational speed [rpm]ηv Volumetric efficiencyηmh Mechanical-hydraulic efficiencyηt Total efficiency (ηt ηv ηmh)Notices Theoretical values, without efficiency and tolerances;values rounded Operation above the maximum values or below theminimum values may result in a loss of function,a reduced service life or in the destruction of the axialpiston unit. Other permissible limit values, such asspeed variation, reduced angular acceleration as afunction of the frequency and the permissible angularacceleration at start (lower than the maximum angularacceleration) can be found in data sheet 90261. The values given are maximum values and do not applyto continuous operation. The permissible axial force in direction Fax is to beavoided as the service life of the bearing is reduced. Special requirements apply in the case of belt drives.Please contact us.Bosch Rexroth AG, RE 91071/2020-03-12φopt op70 Vgφ3 7021AB1 "Counter-clockwise" rotational direction, pressure at port B2 "Clockwise" rotational direction, pressure at port A3 "Alternating" rotational direction
Dimensions [mm] Axial piston fixed motor A2FM/A2FE Series 70Dimensions A2FM, SAE working ports A and B at bottom (11)11Dimensions A2FM, SAE working ports A and B at bottom (11)A2FMN sizes 28, 32, 37 and 45A2FMM sizes 23, 28 and 32251)20112121.51001181 10 100 -0.02218T162T145 45 823 15FlangeISO 3019-2T2B(A)157XView X130B40.559T23 1A18.2PortsStandardSize2)pmax [bar]3)State6)A, BWorking portFastening thread A/BSAE J518DIN 131/2 inM8 1.25; 16 deep450OT1Drain portDIN 38525)M16 1.5; 12 deep3X4)Drain port5)M16 1.5; 12 deep3O4)T21)2)3)4) 12092DIN 3852To shaft collarFor notes on tightening torques, see the instruction manual.Depending on the application, momentary pressure peaks can occur.Keep this in mind when selecting measuring instruments and fittings.Depending on installation position, T1 or T2 must be connected (see alsoinstallation instructions on page 46).5)6)The countersink may be deeper than specified in the standard.O Must be connected (condition on delivery: plugged)X Plugged (in normal operation)RE 91071/2020-03-12, Bosch Rexroth AG
12A2FM/A2FE Series 70 Axial piston fixed motorDimensions A2FM, SAE working ports A and B at side, opposite (02)Dimensions [mm]Dimensions A2FM, SAE working ports A and B at side, opposite (02)A2FMN sizes 28, 32, 37 and 45A2FMM sizes 23, 28 and 32112121.5251)27.518.2T296FlangeISO 3019-262 1 159831365.5118T10 100 -0.02217T123 1545 45 840.5B(A)142171XView XB12050T2APortsStandardSize2)pmax
Axial piston fixed motor A2FM/A2FE Series 70 RE 91071/2020-03-12 Replaces: 2019-08-19 Features Fixed motor w ith axial tapered piston rotary group of bent-axis design, for hydrostatic drives in open and closed circuits For use in mobile and sta tionary applications Far-re aching integration of the plug-in version in
the axial piston unit and the case drain pressure (case pres-sure). The mean differential pressure of 2 bar between the case and the ambient pressure may not be enduringly exceed-ed at normal operating temperature. For a higher differential pressure at reduced speed, see diagram. Momentary pressure spikes (t 0.1 s) of up to 10 bar are permitted.
7.4.9 Hydraulically connecting the axial piston unit 36 7.4.10 Electrically connecting the axial piston unit 41 7.5 Performing flushing cycle 42 8 Commissioning 43 8.1 Initial commissioning 43 8.1.1 Filling the axial piston unit 43 8.1.2 Testing the hydraulic fluid supply 44 8.1.3 Performing a functional test 45 8.2 Running-in phase 45
for your axial piston variable pump A10VO or A10VSO. Please request the installation drawing from your contact at Bosch Rexroth. Installation drawing Axial piston variable pump A10V(S)O, size 18 (A10VSO), size 28 to 140 (A10VO) Contains the permissible technical data. 92701 Data sheet Axial piston variable pump A10VSO, size 18 to 140
Axial piston variable pump A7VO Data sheet Series 63 Sizes NG250 to 500 Nominal pressure 350 bar Peak pressure 400 bar Open circuit RE 92203/06.09 1/52 Replaces: 05.99 Features – Variable axial piston pump with tapered piston rotary group in bent axis design for hydrostatic drives in open circuits
Fan installation with accessories 9 Technical description 10 Installation types 11 Axial fans AXC, AXCP, AXR 12 Axial fans AXCPV 18 Smoke extract axial fans AXC (B), AXR (B) 22 Smoke extract axial fans AXC (F), AXR (F) 24 Thermo axial fans AXCBF 26 Explosion proof axial fans AXC-EX, AXCBF-EX 30 Jet fans for Car Park Ventilation 36 Tunnel fans 37
Temperature at the center of piston head T. c 260. 0. c to 290. 0. c Temperature at the edge of piston head T. e 185. 0. c to 215. 0. c Maximum gas pressure p 15.454N/mm. 2 Bore or outside diameter of piston D 57mm Thickness of piston headt. h 5.45mm. Piston rings
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