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RE 91001-01-X-B2/01.2016,

Bosch Rexroth AG

Details on explosion protection

▶ Field of application according to ATEX 94/9/EC

▶ Gas: II 2G ck IIB Tx in accordance with

DIN EN 13463‑1:2009, DIN EN 13463‑5:2011

Features

▶ Fixed motor with axial tapered piston rotary group of

bent‑axis design, for hydrostatic drives in open and
closed circuits.

▶ For use in mobile and stationary applications

▶ The output speed depends on the flow of the pump and

the displacement of the motor

▶ The output torque increases with the pressure differen‑

tial between the high‑pressure side and the low‑pres‑
sure side.

▶ Finely graduated sizes permit far‑reaching adaptation to

the drive concerned

▶ High power density

▶ Small dimensions

▶ High total efficiency

▶ Good starting efficiency

▶ Economical design

▶ One‑piece tapered piston with piston rings for sealing

▶ Series 61

▶ Sizes 10 to 180

▶ Nominal pressure 400 bar

▶ Maximum pressure 450 bar

▶ Open and closed circuits

Axial piston fixed motor A2FM
for explosive areas
II 2G ck IIB Tx

Part II of instruction manual
according to ATEX directive
94/9/EC data sheet
RE 91001-01-X-B2

Edition: 01.2016
Replaces: 04.2009

Ordering code

Hydraulic fluids

Shaft seal

Flow direction

Speed range

Working pressure range

Technical data

Dimensions, sizes 10, 12, 16

Dimensions, sizes 23, 28, 32

Dimensions size 45

Dimensions sizes 56, 63

Dimensions sizes 80, 90

Dimensions sizes 107, 125

Dimensions sizes 160, 180

Counterbalance valve BVD

Installation instructions

Project planning notes

Safety instructions

Contents

Содержание Rexroth A2FM series

Страница 1: ...er density Small dimensions High total efficiency Good starting efficiency Economical design One piece tapered piston with piston rings for sealing Series 61 Sizes 10 to 180 Nominal pressure 400 bar Maximum pressure 450 bar Open and closed circuits Axial piston fixed motor A2FM for explosive areas II 2G ck IIB Tx Part II of instruction manual according to ATEX directive 94 9 EC data sheet RE 91001...

Страница 2: ...ive shaft bidirectional W Sealing material ATEX version 06 ATEX device category 3G normal level of safety shaft seal ring made of FKM fluor caoutchouc A ATEX device category 2G normal level of safety shaft seal ring made of FKM fluor caoutchouc R Drive shaft 10 12 16 23 28 32 45 56 63 80 90 107 125 160 180 07 Splined shaft DIN 5480 A Z Parallel keyed shaft DIN 6885 B P Mounting flange 08 ISO 3019 ...

Страница 3: ...tor A2FM is designed for operation with HLP mineral oil according to DIN 51524 Application instructions and requirements for hydraulic fluids should be taken from the following data sheets before the start of project planning 90220 Hydraulic fluids based on mineral oils and related hydrocarbons The fixed motor A2FM for explosive areas is only approved for mineral oils Notes on selection of hydraul...

Страница 4: ...the shaft seal ring ΔT approx 12 K between bearing shaft seal and port T Temperature class T4 θ 25 C to 70 C νopt 36 to 16 mm2 s Range of optimum operating viscosity and efficiency Short term operation νmin 7 mm2 s t 3 min p 0 3 pnom Selection diagram 40 25 10 10 30 50 90 115 70 0 7 10 40 60 20 100 200 400 600 1000 1600 V G 2 2 V G 3 2 V G 4 6 V G 6 8 V G 1 0 0 16 36 Optimum operating viscosity ra...

Страница 5: ...ks of up to 10 bar are allowed The service life of the shaft seal decreases with increasing frequency of pressure peaks and increasing mean differential pressure The case pressure must be equal to or higher than the ambient pressure These values are valid for ambient pressure pabs 1 bar The FKM shaft seal ring may be used for leakage tempera tures from 25 C to 90 C Flow direction Direction of rota...

Страница 6: ...must be guaranteed at the working port inlet The minimum pressure depends on the rotational speed and displacement of the axial piston unit Total pressure pSu pressure A pressure B 700 bar The summation pressure is the sum of the pressures at both work ports A and B Rate of pressure change RA max Maximum permissible rate of pressure build up and reduction during a pressure change across the entire...

Страница 7: ...Nm 401 512 573 679 796 1021 1146 Rotary stiffness cmin kNm rad 6 25 8 73 9 14 11 2 11 9 17 4 18 2 Moment of inertia for rotary group JTW kgm2 0 0042 0 0072 0 0072 0 0116 0 0116 0 0220 0 0220 Maximum angular acceleration α rad s 7500 6000 6000 4500 4500 3500 3500 Case volume V l 0 45 0 55 0 55 0 8 0 8 1 1 1 1 Weight approx m kg 18 23 23 32 32 45 45 Determining the operating characteristics Inlet fl...

Страница 8: ...7 8 9 1 9 1 11 6 11 1 11 4 a mm 16 18 18 18 18 18 20 20 20 Maximum torque at Fq max Tmax Nm 204 290 357 294 357 401 512 488 512 Maximum differential pressure at Vg max and Fq max Δpmax bar 400 400 400 330 400 400 400 380 400 Maximum axial force at standstill or pressure free operation Fax Fax max N 0 0 0 0 0 0 0 0 0 Fax max N 500 630 800 800 800 800 1000 1000 1000 Permissible axial force per bar w...

Страница 9: ...ervice life of the bearings Recommended position of mating gear is depen dent on direction of rotation Examples Gear output drive V belt output NG φopt φopt 10 to 180 70 45 Note The permissible axial force in direction Fax is to be avoided as the lifetime of the bearing is reduced Special requirements apply in the case of belt drives Please contact us Toothed gear output drive 2 3 1 A B φopt φ opt...

Страница 10: ...Key width 8 22 5 40 M6 1 2 3 28 20 0 015 0 002 5 16 Key width 6 Ports Standard Size3 pmax abs bar 4 State7 A B Working port see subplates page 11 450 T1 Drain port DIN 38526 M12 1 5 12 deep 3 X5 T2 Drain port DIN 38526 M12 1 5 12 deep 3 O5 1 To shaft collar 2 Center bore according to DIN 332 thread according to DIN 13 3 For notes on tightening torques see the instruction manual 4 Depending on the ...

Страница 11: ...1 56 131 166 85 95 34 147 69 Plate Ports Standard3 Size1 pmax abs bar 2 State4 030 A B Working port DIN 3852 M22 1 5 14 deep 450 O 040 A B Working port DIN 3852 M22 1 5 14 deep 450 each 1 O 1 For notes on tightening torques see the instruction manual 2 Depending on the application momentary pressure peaks may occur Keep this in mind when selecting measuring devices and fittings 3 The spot face can...

Страница 12: ...ey width 8 28 50 M8 1 25 2 3 35 25 0 015 0 002 6 19 Key width 8 Ports Standard Size3 pmax abs bar 4 State7 A B Working port see subplates page 13 450 T1 Drain port DIN 38526 M16 1 5 12 deep 3 X5 T2 Drain port DIN 38526 M16 1 5 12 deep 3 O5 1 To shaft collar 2 Center bore according to DIN 332 thread according to DIN 13 3 For notes on tightening torques see the instruction manual 4 Depending on the ...

Страница 13: ... 4 A B Y 158 106 91 178 13 18 2 115 40 5 59 40 Plate Ports Standard Size1 pmax abs bar 2 State6 010 020 100 A B Working port Fastening thread A B SAE J5183 DIN 13 1 2 in M8 1 25 15 deep 450 O 030 A B Working port DIN 38525 M27 2 16 deep 450 O 040 A B Working port DIN 38525 M27 2 16 deep 450 each 1 O Subplate 188 see Page 26 1 For notes on tightening torques see the instruction manual 2 Depending o...

Страница 14: ...e7 A B Working port see subplates page 15 450 T1 Drain port DIN 38526 M18 1 5 12 deep 3 X5 T2 Drain port DIN 38526 M18 1 5 12 deep 3 O5 1 To shaft collar 2 Center bore according to DIN 332 thread according to DIN 13 3 For notes on tightening torques see the instruction manual 4 Depending on the application momentary pressure peaks may occur Keep this in mind when selecting measuring devices and fi...

Страница 15: ...B Y 193 119 102 169 23 8 75 50 8 19 147 49 Plate Ports Standard Size1 pmax abs bar 2 State6 010 020 100 A B Working port Fastening thread A B SAE J5183 DIN 13 3 4 in M10 1 5 17 deep 450 O 040 A B Working port DIN 38524 M33 2 18 deep 450 each 1 O Subplate 188 see Page 26 1 For notes on tightening torques see the instruction manual 2 Depending on the application momentary pressure peaks may occur Ke...

Страница 16: ...10 33 60 M12 1 75 2 3 40 30 0 015 0 002 9 5 28 Key width 8 Ports Standard Size3 pmax abs bar 4 State7 A B Working port see subplates page 17 450 T1 Drain port DIN 38526 M18 1 5 12 deep 3 X5 T2 Drain port DIN 38526 M18 1 5 12 deep 3 O5 1 To shaft collar 2 Center bore according to DIN 332 thread according to DIN 13 3 For notes on tightening torques see the instruction manual 4 Depending on the appli...

Страница 17: ...A B Y 23 8 75 50 8 19 147 49 206 130 182 107 Plate Ports Standard Size1 pmax abs bar 2 State6 010 020 100 A B Working port Fastening thread A B SAE J5183 DIN 13 3 4 in M10 1 5 17 deep 450 O 040 A B Working port DIN 38524 M33 2 18 deep 450 each 1 O Subplate 188 see Page 26 1 For notes on tightening torques see the instruction manual 2 Depending on the application momentary pressure peaks may occur ...

Страница 18: ...8 70 M12 1 75 2 3 45 35 0 018 0 002 9 5 28 Key width 10 Ports Standard Size3 pmax abs bar 4 State7 A B Working port see subplates page 19 450 T1 Drain port DIN 38526 M18 1 5 12 deep 3 X5 T2 Drain port DIN 38526 M18 1 5 12 deep 3 O5 1 To shaft collar 2 Center bore according to DIN 332 thread according to DIN 13 3 For notes on tightening torques see the instruction manual 4 Depending on the applicat...

Страница 19: ...elow same side A B Y 27 8 84 57 2 25 166 236 121 206 145 60 Plate Ports Standard Size1 pmax abs bar 2 State6 010 020 100 A B Working port Fastening thread A B SAE J5183 DIN 13 1 in M12 1 75 17 deep 450 O Subplate 188 see Page 26 1 For notes on tightening torques see the instruction manual 2 Depending on the application momentary pressure peaks may occur Keep this in mind when selecting measuring d...

Страница 20: ...th 14 43 80 M12 1 75 2 3 50 40 0 018 0 002 9 5 28 Key width 12 Ports Standard Size3 pmax abs bar 4 State7 A B Working port see subplates page 21 450 T1 Drain port DIN 38526 M18 1 5 12 deep 3 X5 T2 Drain port DIN 38526 M18 1 5 12 deep 3 O5 1 To shaft collar 2 Center bore according to DIN 332 thread according to DIN 13 3 For notes on tightening torques see the instruction manual 4 Depending on the a...

Страница 21: ...78 31 8 3 2 6 6 7 Plate Ports Standard Size1 pmax abs bar 2 State4 010 100 A B Working port Fastening thread A B SAE J5183 DIN 13 1 1 4 in M14 2 19 deep 450 O 020 NG107 A B Working port Fastening thread A B SAE J5183 DIN 13 1 in M12 1 75 17 deep 450 O 020 NG125 A B Working port Fastening thread A B SAE J5183 DIN 13 1 1 4 in M14 2 19 deep 450 O Port plate 178 and 188 see page 26 1 For notes on tigh...

Страница 22: ...14 48 5 90 M16 2 2 3 60 45 0 018 0 002 12 36 Key width 14 Ports Standard Size3 pmax abs bar 4 State7 A B Working port see subplates page 23 450 T1 Drain port DIN 38526 M22 x 1 5 14 deep 3 X5 T2 Drain port DIN 38526 M22 x 1 5 14 deep 3 O5 1 To shaft collar 2 Center bore according to DIN 332 thread according to DIN 13 3 For notes on tightening torques see the instruction manual 4 Depending on the ap...

Страница 23: ... B below same side A B Y 70 31 8 99 32 194 66 7 185 290 252 149 Plate Ports Standard Size1 pmax abs bar 2 State6 010 020 100 A B Working port Fastening thread A B SAE J5183 DIN 13 1 1 4 in M14 2 19 deep 450 O Subplate 188 see Page 26 1 For notes on tightening torques see the instruction manual 2 Depending on the application momentary pressure peaks may occur Keep this in mind when selecting measur...

Страница 24: ...lly We recommend ordering the counterbalance valve and the motor as a set Order example A2FM90 61W AAB188J S BVD20W27L 41B V01K00D0800S00 The counterbalance valve does not replace the mechani cal service brake and parking brake Counterbalance valves must be optimized during proto type commissioning to prevent unacceptable operating conditions and compliance with the specification must be verified ...

Страница 25: ...valve for winches and track drive BVD W Application option Winch drives in cranes Track drive in excavators Application example for winch counterbalance valve BVD W in cranes T MA MB S B Br A B L G A Fixed motor A2FM Winch with mechanical park brake Counterholding valve BVD W Pump directional valve not included in the scope of delivery ...

Страница 26: ... M12 1 5 12 5 deep 30 O DIN 38523 M12 1 5 12 deep 30 O Gext Brake release high pressure S DIN 38523 M12 1 5 12 5 deep 420 X MA MB Pressure measurement A and B ISO 61493 M12 1 5 12 deep 420 X Mounting of the counterbalance valve When delivered the counterbalance valve is mounted to the motor with two tacking screws transport protection The tacking screws may not be removed while mounting the work i...

Страница 27: ...old start If this is not possible separate reservoir lines must be laid as required To achieve favorable noise values decouple all connecting lines using elastic elements and avoid above reservoir installation In all operating conditions the drain line must flow into the reservoir below the minimum fluid level Key F Filling air bleeding R Air bleed special version U Bearing flushing air bleed port...

Страница 28: ...reservoir installation means that the axial piston unit is installed above the minimum fluid level of the reservoir Installation position Air bleed Filling 4 T1 F hmin ht min F T1 F 5 T2 F hmin ht min F T2 F 6 T1 F hmin ht min F T1 F Note Port F is part of the external piping and must be provided on the customer side to make filling and air bleeding easier ...

Страница 29: ...le contact person at Bosch Rexroth if you require reliability parameters e g MTTFd for functional safety Working ports The ports and fastening threads are designed for the specified maximum pressure The machine or system manufacturer must ensure that the connecting ele ments and lines correspond to the specified applica tion conditions pressure flow hydraulic fluid tem perature with the necessary ...

Страница 30: ...tion as well as in the event of applications for industrial property rights The data specified above only serve to describe the product No statements concerning a certain condition or suitability for a certain application can be derived from our information The information given does not release the user from the obligation of own judgment and verification It must be remembered that our products a...

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