China supplier Gerotor Hydraulic Motor Gerotor Hydraulic Motor Animation OMR Bmr Spline Shaft

Product Description

Gerotor hydraulic motor gerotor hydraulic motor animation OMR BMR  spline shaft

 

Product details:

product type BMR motors
displacement 80cc
flange 2-φ13.5Rhomb-flange pilot φ82.5×8
shaft spline SAE 6B
oil ports G1/2 manifold mount 4-M8,G1/4

Main Specifications:
 
Technical data for BMR with 25 and 1 in and 1 in splined and 28.56 tapered shaft:
 

Type BMR
BMRS
36
BMR
BMRS
50
BMR
BMRS
80
BMR
BMRS
100
BMR
BMRS
125
BMR
BMRS
160
BMR
BMRS
200
BMR
BMRS
250
BMR
BMRS
315
BMR
BMRS
375
Geometric displacement (cm3/rev.) 36 51.7 81.5 102 127.2 157.2 194.5 253.3 317.5 381.4
Max. speed (rpm) cont. 1085 960 750 600 475 378 310 240 190 155
int. 1220 1150 940 750 600 475 385 300 240 190
Max. torque (N·m) cont. 72 100 195 240 300 360 360 390 390 365
int. 83 126 220 280 340 430 440 490 535 495
peak 105 165 270 320 370 460 560 640 650 680
Max. output (kW) cont. 8.5 9.5 12.5 13 12.5 12.5 10 7 6 5
int. 9.8 11.2 15 15 14.5 14 13 9.5 9 8
Max. pressure drop (MPa) cont. 14 14 17.5 17.5 17.5 16.5 13 11 9 7
int. 16.5 17.5 20 20 20 20 17.5 15 13 10
peak 22.5 22.5 22.5 22.5 22.5 22.5 22.5 20 17.5 15
Max. flow (L/min) cont. 40 50 60 60 60 60 60 60 60 60
int. 45 60 75 75 75 75 75 75 75 75
Weight (kg) 6.5 6.7 6.9 7 7.3 7.6 8 8.5 9 9.5

 

Technical data for BMR with 31.75 and 32 shaft:

 

Type BMR
BMRS
36
BMR
BMRS
50
BMR
BMRS
80
BMR
BMRS
100
BMR
BMRS
125
BMR
BMRS
160
BMR
BMRS
200
BMR
BMRS
250
BMR
BMRS
315
BMR
BMRS
375

Geometric displacement
(cm3 /rev.)

36 51.7 81.5 102 127.2 157.2 194.5 253.3 317.5 381.4
Max. speed (rpm) cont. 1250 960 750 600 475 378 310 240 190 155
int. 1520 1150 940 750 600 475 385 300 240 190
Max. torque (N·m) cont. 72 100 195 240 300 380 450 540 550 580
int. 83 126 220 280 340 430 500 610 690 690
peak 105 165 270 320 370 460 560 710 840 830
Max. output (kW) cont. 8.5 9.5 12.5 13 12.5 12.5 11 10 9 7.5
int. 9.8 11.2 15 15 14.5 14 13 12 10 9
Max. pressure drop (MPa) cont. 14 14 17.5 17.5 17.5 17.5 17.5 17.5 13.5 11.5
int. 16.5 17.5 20 20 20 20 20 20 17.5 15
peak 22.5 22.5 22.5 22.5 22.5 22.5 22.5 22.5 21 17.5
Max. flow (L/min) cont. 45 50 60 60 60 60 60 60 60 60
int. 55 60 75 75 75 75 75 75 75 75
Weight (kg)   6.5 6.7 6.9 7 7.3 7.6 8 8.5 9 9.5

* Continuous pressure:Max.value of operating motor continuously.
* Intermittent pressure:Max.value of operating motor in 6 seconds per minute .
* CHINAMFG pressure:Max.value of operating motor in 0.6 second per minute.

Crossing types

DANFOSS Hydraulic Motors

  • OMM
  • OMP
  • OMR
  • OMS
  • OMH
  • OMT
  • OMV

 

M+S Hydraulic Motors

  • MM/MLHM
  • MP/MLHP
  • MR/MLHR
  • MH/MLHH
  • MS/MLHS
  • MT/MLHT
  • MV/MLHV

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Model No.: Bmr
Displacement: 80 Cc
Flange: 2 Bolt
Shaft: Spline Shaft
Suit for: Hydraulic Repair and System Build Market
Feature 1: OEM Replace
Customization:
Available

|

Customized Request

spline shaft

How do spline shafts handle variations in torque and rotational force?

Spline shafts are designed to handle variations in torque and rotational force in mechanical systems. Here’s a detailed explanation:

1. Interlocking Splines:

Spline shafts have a series of interlocking splines along their length. These splines engage with corresponding splines on the mating component, such as gears or couplings. The interlocking design ensures a secure and robust connection, capable of transmitting torque and rotational force.

2. Load Distribution:

When torque is applied to a spline shaft, the load is distributed across the entire engagement surface of the splines. This helps to minimize stress concentrations and prevents localized wear or failure. The load distribution capability of spline shafts allows them to handle variations in torque and rotational force effectively.

3. Material Selection:

Spline shafts are typically made from materials with high strength and durability, such as alloy steels. The material selection is crucial in handling variations in torque and rotational force. It ensures that the spline shaft can withstand the applied loads without deformation or failure.

4. Spline Profile:

The design of the spline profile also contributes to the handling of torque variations. The spline profile determines the contact area and the distribution of forces along the splines. By optimizing the spline profile, manufacturers can enhance the load-carrying capacity and improve the ability of the spline shaft to handle variations in torque.

5. Surface Finish and Lubrication:

Proper surface finish and lubrication play a crucial role in the performance of spline shafts. A smooth surface finish reduces friction and wear, while suitable lubrication minimizes heat generation and ensures smooth operation. These factors help in handling variations in torque and rotational force by reducing the impact of friction and wear on the spline engagement.

6. Design Considerations:

Engineers take several design considerations into account to ensure spline shafts can handle variations in torque and rotational force. These considerations include appropriate spline dimensions, tooth profile geometry, spline fit tolerance, and the selection of mating components. By carefully designing the spline shaft and its mating components, engineers can optimize the system’s performance and reliability.

7. Overload Protection:

In some applications, spline shafts may be equipped with overload protection mechanisms. These mechanisms, such as shear pins or torque limiters, are designed to disconnect the drive temporarily or slip when the torque exceeds a certain threshold. This protects the spline shaft and other components from damage due to excessive torque.

Overall, spline shafts handle variations in torque and rotational force through their interlocking splines, load distribution capability, appropriate material selection, optimized spline profiles, surface finish, lubrication, design considerations, and, in some cases, overload protection mechanisms. These features ensure efficient torque transmission and enable spline shafts to withstand the demands of various mechanical systems.

spline shaft

Can spline shafts be used in automotive applications, and if so, how?

Yes, spline shafts are extensively used in automotive applications due to their ability to transmit torque and provide reliable power transmission. Here’s how spline shafts are used in automotive applications:

Spline shafts play a crucial role in various automotive systems and components, including:

  • Drivetrain: Spline shafts are an integral part of the drivetrain system in vehicles. They transmit torque from the engine to the wheels, allowing the vehicle to move. Spline shafts are present in components such as the transmission, differential, and axle shafts. In manual transmissions, the spline shaft connects the transmission input shaft to the clutch disc, enabling power transfer from the engine. In automatic transmissions, spline shafts are used in the torque converter and the output shaft.
  • Steering System: Spline shafts are employed in the steering system to transmit torque from the steering wheel to the steering rack or gearbox. They provide a direct connection between the driver’s input and the movement of the wheels, allowing for steering control.
  • Power Take-Off (PTO) Systems: Some vehicles, particularly commercial trucks and agricultural machinery, utilize PTO systems. Spline shafts are used in PTOs to transfer power from the vehicle’s engine to auxiliary equipment, such as hydraulic pumps, generators, or agricultural implements.
  • Transfer Cases: In four-wheel-drive (4WD) or all-wheel-drive (AWD) vehicles, transfer cases are used to distribute power to the front and rear axles. Spline shafts are utilized in the transfer case to transfer torque between the transmission and the front and rear drive shafts.
  • Propeller Shafts: Spline shafts are present in propeller shafts, which transmit torque from the transmission or transfer case to the rear axle in rear-wheel-drive vehicles. They accommodate the relative movement between the transmission and the axle due to suspension travel.

In automotive applications, spline shafts are designed to withstand high torque loads, provide precise torque transmission, and accommodate misalignments and fluctuations in operating conditions. They are typically made from high-strength steel or alloy materials to ensure durability and resistance to wear. Proper lubrication is essential to minimize friction and ensure smooth operation.

The use of spline shafts in automotive applications allows for efficient power transmission, precise control, and reliable performance, contributing to the overall functionality and drivability of vehicles.

spline shaft

What is a spline shaft and what is its primary function?

A spline shaft is a mechanical component that consists of a series of ridges or teeth (called splines) that are machined onto the surface of the shaft. Its primary function is to transmit torque while allowing for the relative movement or sliding of mating components. Here’s a detailed explanation:

1. Structure and Design:

A spline shaft typically has a cylindrical shape with external or internal splines. The external spline shaft has splines on the outer surface, while the internal spline shaft has splines on the inner bore. The number, size, and shape of the splines can vary depending on the specific application and design requirements.

2. Torque Transmission:

The main function of a spline shaft is to transmit torque between two mating components, such as gears, couplings, or other rotational elements. The splines on the shaft engage with corresponding splines on the mating component, creating a mechanical interlock. When torque is applied to the spline shaft, the engagement between the splines ensures that the rotational force is transferred from the shaft to the mating component, allowing the system to transmit power.

3. Relative Movement:

Unlike other types of shafts, a spline shaft allows for relative movement or sliding between the shaft and the mating component. This sliding motion can be axial (along the shaft’s axis) or radial (perpendicular to the shaft’s axis). The splines provide a precise and controlled interface that allows for this movement while maintaining torque transmission. This feature is particularly useful in applications where axial or radial displacement or misalignment needs to be accommodated.

4. Load Distribution:

Another important function of a spline shaft is to distribute the applied load evenly along its length. The splines create multiple contact points between the shaft and the mating component, which helps to distribute the torque and axial or radial forces over a larger surface area. This load distribution minimizes stress concentrations and reduces the risk of premature wear or failure.

5. Versatility and Applications:

Spline shafts find applications in various industries and systems, including automotive, aerospace, machinery, and power transmission. They are commonly used in gearboxes, drive systems, power take-off units, steering systems, and many other rotational mechanisms where torque transmission, relative movement, and load distribution are essential.

6. Design Considerations:

When designing a spline shaft, factors such as the torque requirements, speed, applied loads, and environmental conditions need to be considered. The spline geometry, material selection, and surface finish are critical for ensuring proper engagement, load-bearing capacity, and durability of the spline shaft.

In summary, a spline shaft is a mechanical component with splines that allows for torque transmission while accommodating relative movement or sliding between mating components. Its primary function is to transmit rotational force, distribute loads, and enable axial or radial displacement in various applications requiring precise torque transfer and flexibility.

China supplier Gerotor Hydraulic Motor Gerotor Hydraulic Motor Animation OMR Bmr Spline Shaft  China supplier Gerotor Hydraulic Motor Gerotor Hydraulic Motor Animation OMR Bmr Spline Shaft
editor by CX 2024-02-10

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