A2FM Rexroth Axial Hydraulic Piston Fixed Motors

Short Description:

- All-purpose high pressure motor;

- Size 5 … 1000, such as A2FM 5, A2FM 10, A2FM 12, A2FM 16, A2FM 23, A2FM 28, A2FM 32, A2FM 45, A2FM 56, A2FM 63, A2FM 80, A2FM 90, A2FM 107, A2FM 125, A2FM 160, A2FM 180, A2FM 200, A2FM 250, A2FM 355, A2FM 500, A2FLM 250, A2FLM 355, A2FLM 500, A2FLM 710, A2FLM 1000;

- Nominal pressure up to 400 bar;

- Maximum pressure up 450 bar;

- The axial piston unit is designed to be used in open and closed circuits


Product Detail

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Product Details

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Distinguishing Feature

– 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 is dependent on the flow of the pump and the displacement of the motor.

– The output torque increases with the pressure differential between the high-pressure and the low-pressure side.

– Finely graduated sizes permit far-reaching adaptation to the drive case

– High power density

– Small dimensions

– High total efficiency

– Good starting characteristics

– Economical design

– One-piece tapered piston with piston rings for sealing

Product parameters

Size NG

5

10

12

16

23

28

32

45

56

63

80

Displacement Vg cm3

4.93

10.3

12

16

22.9

28.1

32

45.6

56.1

63

80.4

Speed maximum nnom rpm

10000

8000

8000

8000

6300

6300

6300

5600

5000

5000

4500

nmax rpm

11000

8800

8800

8800

6900

6900

6900

6200

5500

5500

5000

Input flow
at nnom and Vg
qV L/min

49

82

96

128

144

177

202

255

281

315

362

Torque at Vg and Dp = 350 bar T Nm

24.7

57

67

89

128

157

178

254

313

351

448

Dp = 400 bar T Nm

66

76

102

146

179

204

290

357

401

512

Rotary stiffness c kNm/rad

0.63

0.92

1.25

1.59

2.56

2.93

3.12

4.18

5.94

6.25

8.73

Moment of inertia for
rotary group
JGR kgm2

0.00006

0.0004

0.0004

0.0004

0.0012

0.0012

0.0012

0.0024

0.0042

0.0042

0.0072

Maximum angular
acceleration
a rad/s2

5000

5000

5000

5000

6500

6500

6500

14600

7500

7500

6000

Case volume V L

-

0.17

0.17

0.17

0.2

0.2

0.2

0.33

0.45

0.45

0.55

Mass (approx.) m kg

2.5

5.4

5.4

5.4

9.5

9.5

9.5

13.5

18

18

23

     

Size NG

90

107

125

160

180

200

250

355

500

710

1000

Displacement Vg cm3

90

106.7

125

160.4

180

200

250

355

500

710

1000

Speed maximum nnom rpm

4500

4000

4000

3600

3600

2750

2700

2240

2000

1600

1600

nmax rpm

5000

4400

4400

4000

4000

3000

-

-

-

-

-

Input flow
at nnom and Vg
qV L/min

405

427

500

577

648

550

675

795

1000

1136

1600

Torque at Vg and Dp = 350 bar T Nm

501

594

696

893

1003

1114

1393

1978

2785

3955

5570

Dp = 400 bar T Nm

573

679

796

1021

1146

1273

-

-

-

-

-

Rotary stiffness c kNm/rad

9.14

11.2

11.9

17.4

18.2

57.3

73.1

96.1

144

270

324

Moment of inertia for
rotary group
JGR kgm2

0.0072

0.0116

0.0116

0.022

0.022

0.0353

0.061

0.102

0.178

0.55

0.55

Maximum angular
acceleration
a rad/s2

6000

4500

4500

3500

3500

11000

10000

8300

5500

4300

4500

Case volume V L

0.55

0.8

0.8

1.1

1.1

2.7

2.5

3.5

4.2

8

8

Mass (approx.) m kg

23

32

32

45

45

66

73

110

155

325

336

Dimension Drawing

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Distinguishing Feature

– 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 application areas

– The output speed is dependent on the flow of the pump and the displacement of the motor

– The output torque increases with the pressure differential between the high and low pressure sides and with increasing displacement

– Careful selection of the displacements offered, permit sizes to be matched to practically every application

– High power density

– Compact design

– High overall efficiency

– Good starting characteristics

– Economical conception

– One piece pistons with piston rings

About us

POOCCA Hydraulic is a comprehensive hydraulic enterprise integrating R&D, manufacturing, maintenance and sales of hydraulic pumps, motors and valves.

It has more than 20 years of experience focusing on the global hydraulic market. The main products are plunger pumps, gear pumps, vane pumps, motors, hydraulic valves.

POOCCA can provide professional hydraulic solutions and high-quality and inexpensive products to meet every customer.

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FAQ

What are the features of A2FM motors?
A2FM motors are known for their high power density, compact size, high efficiency, and precise control and regulation. They can operate at a wide range of speeds and pressures and are designed for easy maintenance.

What are the applications of A2FM motors?
A2FM motors are suitable for use in various industrial applications, including agriculture, construction, mining, and marine. They can be used to power various types of machinery, including excavators, bulldozers, cranes, and drilling rigs.

How do A2FM motors work?
A2FM motors convert hydraulic energy into mechanical energy. The motor is driven by hydraulic pressure, which causes the pistons to rotate and create torque. The speed and direction of the motor can be controlled by adjusting the hydraulic flow rate and pressure.

What are the advantages of A2FM motors?
A2FM motors offer high power density, precise control and regulation, low noise and vibration levels, easy maintenance, and a long service life. They are also highly efficient, which results in lower energy consumption and reduced operating costs.

What are the limitations of A2FM motors?
A2FM motors have a high initial cost and are not suitable for high-speed applications. They also have a limited torque at high speeds, which may not be suitable for certain applications.

How do I maintain my A2FM motor?
A2FM motors are designed for easy maintenance. Regular maintenance should include checking the oil level and quality, inspecting the motor for leaks or damage, and replacing worn or damaged parts.

What is the warranty for A2FM motors?
12 months


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