HM4V Serie Axial Piston Variable Displacement Hydraulic Motor
The HM4V series axial piston variable displacement hydraulic motor is a state-of-the-art product that delivers exceptional performance and versatility in hydraulic systems. Designed with advanced features, robust construction, and precise control, this hydraulic motor sets new benchmarks in the industry.
The HM4V series axial piston variable displacement hydraulic motor is a powerful and efficient solution for hydraulic systems. Its variable displacement capability, high power-to-size ratio, and precise control offer unparalleled performance and adaptability. Following the recommended usage methods and adhering to regular maintenance practices, the HM4V series motor will continue delivering outstanding power and efficiency. Harness the power and efficiency of the HM4V series axial piston variable displacement hydraulic motor to elevate the performance of your hydraulic system.
HM4V Serie Axial Piston Variable Displacement Hydraulic Motor Key Characteristics:
- Variable Displacement Capability:
- The HM4V series motor incorporates cutting-edge variable displacement technology, allowing operators to adjust the motor’s displacement and output to meet specific application requirements.
- This feature provides enhanced control, efficiency, and adaptability, making it suitable for various hydraulic systems.
- High Power-to-Size Ratio:
- Despite its compact size, the HM4V series motor offers an impressive power-to-size ratio, delivering substantial power output while occupying minimal space.
- This characteristic is advantageous in applications with limited installation area or weight constraints.
- Efficient Performance:
- The axial piston design of the HM4V series motor ensures efficient power transmission, minimizing energy losses and maximizing overall system efficiency.
- This results in reduced fuel consumption, lower operating costs, and improved environmental sustainability.
- Precise Speed Control:
- The HM4V series motor provides precise control over motor speed, enabling operators to match the output speed to the desired application requirements.
- This level of control ensures optimal performance, smooth operation, and increased productivity.
HM4V Serie Axial Piston Variable Displacement Hydraulic Motor Parameter:
| Specification | 11 | 21 | 22 | |
| Max displacement (cc/rev) | 11.3 | 20.7 | 22.1 | |
| Direction of rotation | bidirectional | |||
| Max rotation speed (rpm) | 75 | 70 | 70 | |
| Max service pressure (bar) | 245 | 245 | 245 | |
| Maximum braking torque(N·m) | – | 55.9 | 55.9 | |
| Two-speed switch pilot pressure | Normal (bar) | 33 | ||
| Max (bar) | 49 | |||
| Shell pressure | Rated (bar) | 3 | ||
| Max (bar) | 10 | |||
| Deceleration ratio | 36.96 | 36.51 | 52.73 | |
| Weight kg | 16 Containing Gearbox |
34 Containing Gearbox |
44 Containing Gearbox |
|
| Oil viscosity mm2/s | 7~1600, Best range：12~80 | |||
| Oil Temperature ℃ | -20~90 | |||
| Oil Cleanliness | ISO 4406 20/18/15 | |||
HM4V Serie Axial Piston Variable Displacement Hydraulic Motor Advantages:
• It is a special motor for hydraulic excavator track walking.
• High efficiency plunger motor and high precision reducer composite products.
• Compact and capable of powerful walking.
HM4V Serie Axial Piston Variable Displacement Hydraulic Motor Application:
Usage Method Of HM4V Serie Axial Piston Variable Displacement Hydraulic Motor:
- Mounting and Integration:
- Identify a suitable location within the hydraulic system to mount the HM4V series axial piston variable displacement hydraulic motor.
- Ensure proper alignment and securely mount the motor using appropriate brackets or accessories.
- Connect the motor to the hydraulic system using compatible fittings and hoses, ensuring tight and leak-free connections.
- Displacement Adjustment:
- Familiarize yourself with the displacement adjustment mechanism provided with the HM4V series motor.
- Depending on the model, it may offer manual adjustment or electronic control options.
- Understand the recommended adjustment procedures and settings to optimize motor performance for your application.
- System Integration:
- Integrate the HM4V series motor into the hydraulic system by connecting it to other components such as pumps, valves, and actuators.
- Ensure the motor’s displacement and performance align with the system requirements.
- Load Considerations:
- Consider your application’s load requirements when using the HM4V series motor.
- Ensure the motor’s power and torque ratings suit the intended task.
- Avoid overloading the motor to prevent excessive wear and potential damage.
How To Bleed A Hydraulic Cylinder?
Taking apart a hydraulic cylinder requires careful handling and adherence to safety precautions. Here’s a general guide on how to disassemble a hydraulic cylinder:
- Preparation:
- Ensure that the hydraulic system is depressurized and the cylinder is not under any load.
- Use appropriate personal protective equipment, such as gloves and safety glasses, to protect yourself from potential hazards.
- Remove External Components:
- Identify and remove any external components attached to the hydraulic cylinder, such as mounting brackets, hoses, and fittings.
- Please take note of their positions and connections for reassembly later.
- Secure the Cylinder:
- Secure the cylinder in a vise or suitable holding fixture to prevent it from moving during disassembly.
- Ensure the vise or fixture does not damage or deform the cylinder body.
- Remove Cylinder End Caps:
- Hydraulic cylinders typically have two end caps: the cap end and the rod end.
- Use tools like wrenches or sockets to carefully loosen and remove the end cap bolts or retaining nuts.
- Slowly and evenly release the pressure on both end caps to prevent sudden movement or damage.
- Release the Piston:
- Once the end caps are removed, the piston will be accessible.
- Gently tap the piston or apply controlled pressure to one side to start releasing it from the cylinder barrel.
- Slowly slide the piston out of the cylinder barrel, not damaging the piston seal or barrel surface.
- Inspect and Clean Components:
- Inspect all disassembled components, including the piston, piston seals, rod, and cylinder barrel, for signs of wear, damage, or contamination.
- Clean the components using an appropriate solvent or cleaning agent to remove dirt, debris, and old lubricants.
- Be cautious not to use solvents that could damage seals or other sensitive components.
Capability & Capacity Of Factory:
(1) Assembly
We have a first-class independent research and development assembly platform. The hydraulic cylinder production workshop has four semi-automatic lifting cylinder assembly lines and one automatic tilt cylinder assembly line, with a designed annual production capacity of 1 million pieces. The special cylinder workshop is equipped with various specifications of a semi-automatic cleaning assembly system with a designed annual production capacity of 200,000 and equipped with famous CNC machining equipment, a machining center, a high-precision cylinder processing special equipment, a robot welding machine, an automatic cleaning machine, automatic cylinder assembly machine, and automatic painting production line. Existing critical equipment of more than 300 sets (sets). The optimal allocation and efficient use of equipment resources ensure the accuracy requirements of products and meet the high-quality needs of products.
(2) Machining
The machining shop is equipped with a customized inclined rail turning center, machining center, high-speed honing machine, welding robot, and other related equipment, which can handle the processing of cylinder tubes with a maximum inner diameter of 400mm and a maximum length of 6 meters.
(3) Welding
(4) Painting & coating
With small and medium-sized cylinder automatic water-based paint coating lines, to achieve automatic robot loading and unloading and automatic spraying, the design capacity of 4000 pieces per shift;
We also have a semi-automatic paint production line for large cylinders powered by a power chain, with 60 cases per shift design capacity.
(5) Testing
We have first-class inspection facilities and test beds to ensure that the performance of the cylinder meets the requirements.
We are one of the best hydraulic cylinder manufacturers. We can offer comprehensive hydraulic cylinders. We also provide corresponding agricultural gearboxes. We have exported our products to clients worldwide and earned a good reputation because of our superior product quality and after-sales service. We welcome customers at home and abroad to contact us to negotiate business, exchange information, and cooperate with us!