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A2FM

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  • A2FM

product description

HL-A2FM fixed motor

Features:

Mobile machinery and hydraulic components;
Axial piston quantitative motor with inclined shaft structure, suitable for open and closed circuits of hydrostatic transmission;
The output speed of the hydraulic motor is related to the pump flow and motor displacement;
The output torque increases with the pressure difference between the high and low pressure sides and the increase of the displacement;
Choose long-life, high-precision bearings and park seals;
It has the characteristics of compact structure design, light weight, low noise and high efficiency;

  1. 1. Model description

Axial plunger element

Oblique axis structure, quantitative

A2F

Operating mode

motor

M

specification

△Displacement Vgmax(ml/r)

28

32

45

56

63

80

90

107

125


series


6

index


1

turn around

Seen from the shaft end

Two-way reversible

W

Sealed file

fluororubber

V

Shaft extension[★: In stock; ☆: In preparation; —: Out of stock]


28

32

45

56

63

80

90

107

125



Spline drive DIN 5480

A

Z

Flat key drive DIN6885

B

P

Mounting flange

28

32

45

56

63

80

90

107

125



ISO4 hole

B

Working port

Port A and B
SAE flange at the rear

01

0

Port A and B
SAE flange on the side opposite

02

0

7

Port A and B
Threaded port on the side opposite

03

0

Port A and B
Threaded ports on the side and back

04

0

Port A and B
SAE flange at bottom, same side

10

0

Back cover with overflow valve and motion control valve

18

1

Back cover cartridge overflow valve

19

1

2

Control valve

Without valve

0

With relief valve [without secondary pressure]

1

With relief valve [with secondary pressure]

2

With flushing and charge pressure valve

7

Speed ​​signal sensor control

Without speed sensor (no mark)

With speed sensor

D

Note: ★In stock; ☆In preparation; -out of stock



  1. 2. Specification calculation

Flow rate: qv=Vg.n/1000.ηv L/min
Output speed: n=qv.1000. ηv/Vg rpm
Output torque: T=Vg. △Pmh/2. π N.m
Power: p=2π.T.n/60000=qv. △P. ηt/60 KW
Note: Vg=displacement mL/r △P=pressure difference MPa n=speed rpm
ηv = volumetric efficiency ηmh = mechanical efficiency ηt = total efficiency

  1. 3. Technical data

3.1 Performance parameters

specification

28

32

45

56

63

80

90

107

125

Displacement Vgmaxcm/r3

28

32

45

56

63

80.5

90

107

125

Speed ​​nmaxrpm

6300

6300

5600

5000

5000

4500

4500

4000

4000

Maximum flow when n=nmaxL/min

176

201

255

280

315

362

405

428

500

Equivalent torqueNm/bar

0.45

0.51

0.73

0.89

1.0

1.27

1.43

1.70

1.99

Torque △P=40MPaNm

180

204

292

356

400

508

572

680

796

Pump oil volumeL

0.22

0.22

0.32

0.46

0.46

0.56

0.56

0.82

0.82

weightKg

10

10

14

19

19.5

23

24

32

33

Note: 1) The data in the table are theoretical values, without considering the volumetric efficiency and mechanical efficiency; the values ​​are rounded.

3.2 Working pressure range

The maximum pressure of port A or B is shown in the following table:

Specification 28~125

Shaft A, Z

Shaft extension B, P

Nominal pressure PN

40Mpa

35Mpa

Maximum pressure Pmax

45Mpa

40Mpa

Note: 1. For shaft ends Z and P, if the drive shaft has a strong force, the nominal pressure only allows PN=31.5 Mpa
2. Corresponding to the shaft end Z, displacement from 28 to 56: PN=35Mpa Pmax=40Mpa
3. The pressure of port A and B does not exceed 70MPa

3.3 Oil flow direction (viewed from the shaft end)
  1. a. Clockwise, A flows to B

  2. b. Counterclockwise, B flows to A

3.4 Speed ​​range

In occasions where smooth operation is required, the minimum speed n min cannot be lower than 50 rpm, and the maximum speed is in accordance with the parameter table.
Precautions:

  1. a. During the trial operation, the pump body must be filled with oil and kept full during work;

  2. b. The motor must be started at low speed and no load until the system is completely deflated;

  3. c. In order to reduce noise, all connecting pipes are recommended to be isolated from the fuel tank with flexible components;

  4. d. The temperature at any point in the oil circuit must not exceed 115°C;

  5. e. The allowable value of case drain pressure is absolute to the motor speed. The short-time allowable absolute pressure peak value P k≦0.6Mpa; the case drain pressure during average continuous operation shall not exceed the absolute pressure 0.3Mpa;

  6. 4. Implementation standards of hydraulic motors

JB/T10829-2008 hydraulic motor


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