Product description

BMSY Orbit Hydraulic Motor is a cycloidal hydraulic motor with end face oil distribution.

The displacement range is from 80cc/r to 630cc/r for selection. It can meet the requirements of various equipment speeds and torques.

The character of BMSY Orbit Hydraulic Motor are as follows:

1. Roller type stator rotor pair structure, rotor cycloid contour modification technology, with low starting pressure and high efficiency.

2. Years of experience in processing and manufacturing, enable us to adopt a five pieces structure and advanced oil distribution form.

3. Design of multiple key linkage extraction and output shaft and manufacturing technology. Reliability and pressure-bearing.

4. The motor output shaft is supported by imported heavy-duty tapered roller bearings, Strong ability to withstand axial and radial loads which make the motor more durable.

This series of motors include:

Standard motor connection form/Wheel connection form/ Structural design such as connection form of bearingless motor.

With various connection forms, it can replace corresponding products in China, Europe and America, and customers have a wider range of choices when selecting products.

Precautions when using are as follows:

1. A simultaneous maximum torque and maximum speed NOT recommended.

2. Maximum oil inlet pressure is 310bar (Peak pressure) - do not exceed the rated pressure.

3. Maximum oil return pressure is 310bar (Peak pressure) - do not exceed the rated pressure.

4. Recommended Maximum System Operating Temp. is 82°C [180°F].

Advantages of connecting the outer leakage oil pipe of the casing:

1. By flushing motor housing, you can control the pollution.

2. The oil discharged from the cooling system dissipates heat from the motor, thus can extend the service life of the motor.

The BMSY motor is designed to provide consistent performance, even under demanding working conditions. With its high torque output and low speed performance, this motor is perfect for applications such as conveyors, winches, and other heavy machinery.

In addition to its performance capabilities, the BMSY motor is also incredibly easy to install and maintain. This makes it a top choice for those who want to save time and money while still getting the job done right.

Specification Data

Displ. cm³/r		80	100	125	160	195	245	305	395	490	630
Flow (LPM)	Continuous	75	75	75	75	75	75	75	75	75	75
Flow (LPM)	Intermittent	75	95	95	115	115	115	115	115	115	115
Speed (RPM)	Continuous	799	742	576	477	385	308	246	191	153	112
Speed (RPM)	Intermittent	908	924	720	713	577	462	365	265	23	168
Pressure (bar)	Continuous	170	170	170	170	170	170	140	140	130	130
Pressure (bar)	Intermittent	275	275	275	275	275	240	205	170	150	150
Torque (N.m)	Continuous	195	245	315	380	455	555	560	700	838	1063
Torque (N.m)	Intermittent	305	395	550	530	625	765	805	890	956	1228

Performance Data

Dimensions

Dimensions of Shaft

Dimensions of oil port

Order information (GB standard: Select Flowchart)

Code

Displ.(CC/r)

Flange

Output Shaft

Port(A/B) and Drain Port(T) Case Drain Port

Rotation

Direction

Paint

BMSY

2-φ13.5 Two hole diamond flange pilotφ82.5x6.3

Cylindrical shaft φ25 Parallel key A8X7X28

G1/2" G1/4 2-M10 Plate connection

Standard

No paint

100

Four hole diagonal square flange105X105 pilotφ82.5x6.3

Cylindrical shaft φ32 Parallel key A10X8X45

M22X1.5 M14X1.5 2-M10 Plate connection

Blue

125

4-φ13.5 Two hole diamond flange pilotφ82.5x6.3

Cylindrical shaft φ25.4 Parallel key A6.35X6.35X32

7/8-14unf O-ring 7/16-20unf 2-M10Plate connection

160

4-φ13 Four hole square flange pilotφ100

Splined 6D-30X26X6 shaft extension 48

NPTF1/2 7/16-20unf 2-M10Plate connection

195

Six hole diamond flange pilotφ82.5x2.8

Cylindrical shaftφ31.75,Parallel key A7.96X7.96X31.75

M22X1.5 M14X1.5 3-M10Plate connection

Involute spline DP12/24Z=14, central hole M8

G1/2" G1/4 3-M10Plate connection

245

4-φ11.5 Small square flange pilotφ82.5x6.3

Splined:SAE-6B 6D-25.3X21.3X6.2

7/8-14UNF 7/16-20UNF 3-M10Plate connection

Opposite

Black

305

Wheel motor flange,4-φ13.5, pilotφ82.5x6.3

Involute Spline DP12/24Z=14,central hole M8

2-φ13Port M14X1.5 3-M10Plate connection

395

2-φ11 Two hole diamond flange pilotφ82.5x6.3

Cylindrical shaft φ30 Parallel key A10X8X45

2-φ13Port 0.4375-20UNF 3-M10Plate connection

Silver gray

490

2-φ14.3 Two hole diamond flange pilotφ101.6x6.3

A10

Splined 6D-30X26X6 Shaft extension57

P10

G1/2" G1/4

A11

Splined 6D-30X26X8 Shaft extension48

P11

M22X1.5 M14X1.5

F10

Bearingless motor 4-φ14.3 Circular flange, pilotφ100x6

A12

Cone shaftφ35,Cone1:10 ,Parallel key B6X6X20

P12

7/8-14unf O-ring 7/16-20unf

F11

Bearingless motor 4-φ13.5 Square flange,pilotφ101.6x6.3

A13

φ31.75Cone Shaft,Cone1:8,Nut: M24X1.5

P13

4-G1/2Rear oil port G1/4' ' 2-M10Plate connection

A14

Splined 6D-32X26X6 Shaft extension 56

P14

4-M22X1.5 M14x1.5 2-M10Plate connection

A15

Involute spline DP16/32,z=13,a=30°

P15

4-7/8-14unf 7/16-20unf 2-M10Plate connection

A16

Splined

6D-34.85X28.14X8.64

P16

2-17/16-12un Side oil point 2-7/8-14unf Rear oil port

A17

Bearingless motor shaft,12/24,Z=12,a=30°

Note:When the table is used, please fill the code of left rows in dash area and give us, which the code information is consists of construction, displacement, mounting flange. output shaft and ports. If the specification is not in the table or you have specific requirements, please contact us(whatsapp+8615106778662).

FAQ

Q: What is the delivery date after an order is placed?

A: It depends on whether the products you buy are in stock. If we have inventory, we can arrange shipment in 2 to 3 days. If not, the delivery time is determined by the production time of the factory.

Q: If the products do not meet the requirements, how to solve the problem?

A: If the products do not conform to the customer's samples or have quality problems, our company will be responsible.

Q: How to calculate torque?

A: The calculation formula is as follows:
Torque (Nm) = Displacement (cc/rev) x Working Pressure (MPa) x 0.16 (Factor)
According to the functional theorem: Vm (ml per radian) × w (radian per second) × p (MPa, differential pressure) × (total hydraulic motor efficiency) = w (radian per second) × T (Nm); so T =Vm×P×η; where the milliliter per radian of Vm is converted into milliliter per revolution and needs to be divided by 2π, which is multiplied by 0.16.
The displacement can be seen from the product label. The working pressure depends on the pressure gauge at the entrance of the orbit hydraulic motor. Knowing these two values, you can calculate the output torque of the orbit hydraulic motor at this time.

Q: What kind of Motor circuit is there?

A: Hydraulic motor circuit has series and parallel connection.

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