China Good quality Hydraulic Piston Motor A6vm55, A6vm80, A6vm107, A6vm140, A6vm160, A6vm200, A6vm250 vacuum pump design

Product Description

hydraulic piston motor A6VM55, A6VM80, A6VM107, A6VM140, A6VM160, A6VM200, A6VM250

Brueninghaus CHINAMFG CHINAMFG A6VM motor
Hydraulic Variable motor A6VM55, A6VM80, A6VM107, A6VM140, A6VM160, A6VM200, A6VM250


Open and closed circuits
Series 63
Size Nominal pressure, 28 to 200 (400 bar/450 bar)
250 to 1000 (350 bar/400 bar)
– Variable A6VM motor with axial tapered piston rotary group of bent axial design, for hydrostatic drives in open and closed circuits
– For use in mobile and stationary applications
– The wide control range enables the variable motor to satisfy the requirement for high speed and high torque.
– The displacement can be infinitely changed from Vg max to Vg min = 0.
– 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 low-pressure side and with increasing displacement.
– Wide control range with hydrostatic transmissions
– Wide selection of control devices
– Cost savings through elimination of gear shifts and possibility of using smaller pumps
– Compact, robust motor with long service life
– High power density
– Good starting characteristics
– Small swing torque
Technical Data of Brueninghaus CHINAMFG CHINAMFG A6VM Motor
Table of values (theoretical values, without efficiency and tolerances; values rounded)

Rexroth A6VM motor A6VM55 A6VM80 A6VM107 A6VM140 A6VM160 A6VM200 A6VM250
Nominal pressure p N bar 400 400 400 400 400 400 350
Maximum pressure pmax bar 450 450 450 450 450 450 400
Displacement Vg max cm³ 54.8 80 107 140 160 200 250
Speed at V g max n max rpm 4450 3900 3550 3250 3100 2900 2700
Speed at V g<V g max n max rpm 7000 6150 5600 5150 4900 4600 3600
Inlet flow at nmax q V max l/min 244 312 380 455 496 580 675
Torque Δ p = 400 bar T Nm 349 509 681 891 1019 1273 1391
Weight (approx.) m kg 26 34 47 60 64 80 90


Certification: GS, CE, ISO9001
Excitation Mode: Other
Power Rating: Adjustable
Casing Protection: Iron Casting
Number of Poles: Other
Speed: High Speed
US$ 200/Piece
1 Piece(Min.Order)




hydraulic motor

How do hydraulic motors work and what sets them apart from other types of motors?

Hydraulic motors are mechanical devices that convert hydraulic energy into rotational mechanical energy. They operate based on the principles of fluid dynamics and are commonly used in various applications where high torque and smooth operation are required. Here’s a detailed explanation of how hydraulic motors work and what sets them apart from other types of motors:

Hydraulic motors typically consist of a housing, an output shaft, and a rotating mechanism. The rotating mechanism contains a series of gears, pistons, or vanes that interact with the hydraulic fluid to generate rotational motion.

When pressurized hydraulic fluid enters the motor through an inlet port, it applies force to the rotating mechanism. The interaction between the hydraulic fluid and the rotating mechanism causes the output shaft to rotate. The pressurized fluid continues to flow through the motor, maintaining the rotational motion.

There are several types of hydraulic motors, including gear motors, piston motors, and vane motors. The specific design and operation vary among these types, but the basic principle remains the same: hydraulic pressure acts on internal components to generate rotational motion.

What sets hydraulic motors apart from other types of motors is their ability to deliver high torque even at low speeds. Hydraulic systems can generate significant force due to the incompressibility of hydraulic fluid. This makes hydraulic motors suitable for applications that require high torque, such as heavy machinery, construction equipment, and industrial applications.

Hydraulic motors also offer precise speed and torque control. By adjusting the flow rate or pressure of the hydraulic fluid, the speed and torque output of the motor can be accurately controlled. This feature makes hydraulic motors ideal for applications that require precise and adjustable operation, such as material handling systems or machine tools.

Another advantage of hydraulic motors is their ability to operate in harsh environments. Hydraulic systems can withstand high temperatures, extreme pressures, and contaminants present in industrial settings. This durability makes hydraulic motors suitable for applications in rugged environments, such as mining, marine, or oil and gas industries.

However, there are some considerations when using hydraulic motors. They require a hydraulic power source, such as a pump, to generate the necessary fluid pressure. Hydraulic systems also require additional components, such as hoses, valves, and filters, which add complexity to the overall system. Additionally, hydraulic systems require proper maintenance, including regular fluid checks and filtration, to ensure optimal performance and longevity.

In summary, hydraulic motors convert hydraulic energy into rotational mechanical energy through the interaction between hydraulic fluid and internal components. They stand out from other types of motors due to their high torque capabilities, precise control, and ability to operate in harsh environments. These characteristics make hydraulic motors a preferred choice for a wide range of applications that require robust and controllable rotational motion.

hydraulic motor

Are there emerging technologies or advancements in hydraulic motor design and efficiency?

Yes, there are several emerging technologies and advancements in hydraulic motor design and efficiency. These innovations aim to improve the performance, reliability, and environmental sustainability of hydraulic systems. Here are some notable advancements:

  • Efficient Hydraulic Motor Designs: Manufacturers are continuously developing hydraulic motors with improved efficiency. These designs focus on reducing internal friction, optimizing fluid flow paths, and minimizing energy losses. Advancements in materials, manufacturing techniques, and precision engineering contribute to enhanced motor efficiency, resulting in reduced energy consumption and improved overall system performance.
  • Variable Displacement Motors: Variable displacement hydraulic motors are gaining popularity due to their ability to vary the motor’s displacement on-demand. This feature allows the motor to adjust its output torque and speed according to the application’s requirements, resulting in improved energy efficiency. By operating at lower displacement settings when lower power is needed, variable displacement motors can significantly reduce energy consumption compared to fixed displacement motors.
  • Electro-Hydraulic Hybrid Systems: The integration of electric and hydraulic technologies has led to the development of electro-hydraulic hybrid systems. These systems combine the high power density and controllability of hydraulic systems with the energy efficiency and precision of electric systems. By utilizing electric components for low-demand tasks and hydraulic components for high-power tasks, electro-hydraulic hybrids offer improved energy efficiency and reduced environmental impact.
  • Smart and Connected Hydraulics: The advent of the Internet of Things (IoT) and smart technologies is transforming hydraulic systems. Hydraulic motors equipped with sensors, actuators, and connectivity capabilities enable real-time monitoring, data collection, and remote control. This allows for predictive maintenance, optimized performance, and better integration with overall system automation.
  • Biodegradable Hydraulic Fluids: Traditional hydraulic systems use mineral oil-based fluids, which can have a negative environmental impact if leaked or improperly disposed of. However, there is a growing focus on developing biodegradable hydraulic fluids that are more environmentally friendly. These fluids are designed to provide comparable performance to conventional fluids while being biodegradable, non-toxic, and having a reduced ecological footprint.
  • Noise Reduction: Noise reduction is another area of advancement in hydraulic motor design. Manufacturers are employing innovative techniques such as improved housing designs, noise-dampening materials, and optimized flow paths to minimize noise emissions. Quieter hydraulic motors are particularly beneficial in applications where noise reduction is essential, such as in construction equipment operating in urban areas or noise-sensitive environments.

These emerging technologies and advancements in hydraulic motor design and efficiency are aimed at enhancing performance, reducing energy consumption, improving sustainability, and expanding the range of applications where hydraulic systems can be effectively utilized.

hydraulic motor

What factors should be considered when selecting a hydraulic motor for a specific application?

When selecting a hydraulic motor for a specific application, several factors need to be considered to ensure optimal performance and compatibility. Here are the key factors to consider:

  • Torque and Speed Requirements: Determine the required torque and speed for the application. This includes considering the maximum and minimum torque and speed values, as well as any variations or operating conditions that may affect the motor’s performance.
  • Power Density: Evaluate the power density requirements, considering the available space and weight limitations. Hydraulic motors offer high power density, making them suitable for applications where compact size and high power output are important.
  • Efficiency: Consider the desired efficiency of the hydraulic motor. The efficiency can impact energy consumption and overall system performance. It’s important to balance the efficiency requirements with other factors such as torque, speed, and cost.
  • Control and Controllability: Assess the control requirements of the application. Determine if precise control of speed, direction, and torque is necessary. Some hydraulic motors offer variable speed and reversible operation, allowing for flexible control options.
  • Environmental Conditions: Evaluate the environmental conditions in which the hydraulic motor will operate. Consider factors such as temperature, humidity, dust, and vibration levels. Select a motor that is suitable for the specific environmental conditions to ensure reliable and durable performance.
  • Fluid Compatibility: Ensure compatibility between the hydraulic motor and the hydraulic fluid used in the system. Consider the viscosity, temperature range, and any specific requirements or recommendations provided by the motor manufacturer.
  • Installation and Maintenance: Consider the ease of installation, maintenance requirements, and accessibility for servicing the hydraulic motor. Evaluate factors such as mounting options, alignment requirements, and access to maintenance points.
  • Cost and Budget: Consider the budget and cost constraints for the application. Evaluate the initial cost of the motor, as well as the long-term operating costs, including maintenance, energy consumption, and potential downtime.
  • Reliability and Durability: Assess the reliability and durability requirements of the application. Consider factors such as expected lifespan, duty cycle, and the reputation of the motor manufacturer.

By carefully considering these factors, you can select a hydraulic motor that meets the specific requirements of your application, ensuring optimal performance, efficiency, and longevity.

China Good quality Hydraulic Piston Motor A6vm55, A6vm80, A6vm107, A6vm140, A6vm160, A6vm200, A6vm250   vacuum pump design		China Good quality Hydraulic Piston Motor A6vm55, A6vm80, A6vm107, A6vm140, A6vm160, A6vm200, A6vm250   vacuum pump design
editor by CX 2023-10-20