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BMSY Series Orbital Hydraulic Motor

BMSY series orbital hydraulic motor is an advanced hydraulic motor with end-face flow distribution structure. This series of motors use a column-mounted rotating stator pair, which has the characteristics of high working pressure, high working efficiency, good efficiency retention of the whole machine and long working life. On the basis of standard structure, multi-functional variant design can be carried out according to user requirements.

Key words:

Description

BMSY series orbital hydraulic motor is an advanced hydraulic motor with end-face flow distribution structure. This series of motors use a column-mounted rotating stator pair, which has the characteristics of high working pressure, high working efficiency, good efficiency retention of the whole machine and long working life. On the basis of standard structure, multi-functional variant design can be carried out according to user requirements. Its characteristics:

• The use of advanced stator parameter design, low starting pressure, high efficiency and good retention.

• High working pressure and large output torque. Tapered roller bearing structure, bearing shaft, radial load capacity is strong, so that the motor can directly drive the working mechanism, the scope of use is expanded.

• Advanced end face flow distribution structure, so that the motor with high precision, wear after the automatic compensation function is strong, to ensure high volumetric efficiency, motor long life, to ensure that the motor speed is stable, smooth load speed characteristics.

• Ability to drive larger loads and higher working pressure levels.

Main technical parameters

Type

BMSY

80

BMSY

 100

BMSY

125

BMSY

160

BMSY

200

BMSY

250

BMSY

315

BMSY

400

BMSY

500

Actual displacement (cm³/rev.)

81.8

100

121.2

158.8

200

254.5

321.2

400

497

Maximum speed (rpm)

Rated

675

540

432

337

270

216

171

135

110

Continuous

780

735

606

460

365

285

225

180

145

intermittent

970

895

735

560

445

350

277

220

180

Maximum torque (N.m)

Rated

177

218

265

445

520

650

720

775

815

Continuous

228

288

350

490

600

720

905

890

950

intermittent

309

387

465

600

725

900

1030

990

1030

Maximum output power (KW)

Rated

12

12.4

12.4

12.4

12.4

12.4

11.2

9.6

8.6

Continuous

16

18

18

18.1

18.1

18

17

11

9

intermittent

20

22

23

25

24

23.5

20.2

12

11

Maximum working pressure difference (MPa)

Rated

16

16

16

19

19

18

16

14

12

Continuous

20.5

20.5

20.5

21

21

20

20

16

14

intermittent

27.5

27.5

27.5

26

25

25

24

19

15

Peak

29.5

29.5

29.5

28

27

27

26

21

17.5

Maximum flow (L/min)

Continuous

65

75

75

75

75

75

75

75

75

intermittent

80

90

90

90

90

90

90

90

90

Maximum allowable oil inlet pressure

(MPa)

Rated

21

21

21

21

21

21

21

21

21

Continuous

25

25

25

25

25

25

25

25

25

intermittent

30

30

30

30

30

30

30

30

30


* The rated speed and torque refer to the output value under the rated flow and pressure.

* Continuous value refers to the maximum value that the displacement motor can work continuously.

* The intermittent value refers to the maximum value of the displacement motor working for 6 seconds in 1 minute.

* The peak value refers to the maximum value of the displacement motor working for 0.6 seconds in 1 minute.

Ordering Information

 

POS.1

2

3

4

5

6

7

8

Structure

Code

Displacement

Flange, stop

shaft extension

Oil port

Rotate

Working condition

Paint

Options

Special

Function

BMS

80

E2

2-φ13.5, diamond flange, stop φ82.5X6.3

A

Straight axis φ25, length 41.8, flat key 8X7X32,M8

D

G1/2,G1/4,2-M10

None

Standard

00

No paint

None

General

100

E4

4-φ13.5, square flange, stop φ82.5X6.3

B

Straight axis φ32, length 56, flat key 10X8X45,M8

M

M22X1.5,M14X1.5,2-M10

R

Reverse

None

blue paint

 

 

125

EB4

4-M14, indexing circle φ108, square flange, stop φ82.5X6.3

D

Straight axis φ25.4, length 41.8, flat key 6.35X6.35X25.4,1/4-20UNC

S

7/8-14UNF 'O'-ring,7/16-20UNF 'O'-ring,2-3/8-16UNC

 

 

B

Black paint

 

 

160

E6

4-φ13.5, diamond flange, stop φ82.5X6.3

F

Involute spline shaft φ31.75, length 48,14-DP12/24,3/8-16UNC

S1

7/8-14UNF 'O'-ring,7/16-20UNF 'O'-ring,2-M10

 

 

S

silver gray paint

 

 

200

F6

6-φ13.5, diamond flange, stop φ82.5X2.8

FD

Involute spline shaft φ31.75, length 56.2,14-DP12/24,M8

P

1/2-14NPT,7/16-20UNF 'O'-ring,2-3/8-16UNC

 

 

 

 

 

 

250

W

4-φ13.5, wheel flange φ160, stop φ125X8

K

Straight shaft φ25.4, length 41.8, semicircular key φ25.4X6.35,1/4-20UNC

 

 

 

 

 

 

 

 

315

B2

4-φ13, square flange φ127.7, stop φ100X6

S1

Rectangular spline shaft 6-25.32X21.47X6.25, length 41.8,1/4-20UNC

DB

G1/2,G1/4

 

 

 

 

 

 

400

 

 

I

Involute spline shaft φ22, length 33,13-DP16/32

DU

G1/2,7/16-20UNF 'O'-ring

 

 

 

 

 

 

500

 

 

G

Straight axis φ31.75, length 48, flat key 7.96X7.96X31.75,3/8-16UNC

SB

7/8-14UNF 'O'-ring,G1/4

 

 

 

 

 

 

 

 

 

SL

Rectangular spline shaft 6-34.85X28.14X8.64, long 100,M8

WATER

7/8-14UNF 'O'-ring,7/16-20UNF 'O'-ring

 

 

 

 

 

 

 

 

 

P

Straight axis φ30, length 48, flat key 10X8X40,M8

M4

M22X1.5,M14X1.5

 

 

 

 

 

 

 

 

 

J

Rectangular spline shaft 6-30X25.3X8, length 48,M8

PB

1/2-14NPT,G1/4

 

 

 

 

 

 

 

 

 

N

Rectangular spline shaft 6-30X24.8X6, length 48,M8

PU

1/2-14NPT,7/16-20UNF 'O'-ring

 

 

 

 

 

 

 

 

 

Z

Rectangular spline shaft 6-32X26X6, long 56.5,M8

 

 

 

 

 

 

 

 

 

 

 

 

 

G2

G1/2,M10X1

 

 

 

 

 

 

 

 

 

 

 

M3

M22X1.5,M10X1

 

 

 

 

 

 

 

 

 

 

 

S1

7/8-14UNF 'O'-ring,M10X1

 

 

 

 

 

 

Note: When using the ordering information, the user can write the motor structure, displacement, mounting flange, shaft extension, oil inlet and outlet and other information to us according to the above format by selecting the code of the colored part on the left. If the selected specifications are not in the above table or special requirements, please contact us.

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