China supplier China Professional Manufacture Hydraulic Boom Cylinder for Large Excavator for Sale supplier

Product Description

China Professional Manufacture Hydraulic Boom Cylinder for Large Excavator for sale


Hydraulic Boom Cylinder

A hydraulic boom cylinder for a large excavator is a double-acting cylinder used to lift and lower the boom of an excavator. It is 1 of the most enormous cylinders on an excavator and is responsible for raising the heaviest loads. The hydraulic boom cylinder is a vital component of large excavators and is responsible for controlling the movement of the boom arm. The boom arm is an extendable and retractable arm that allows the excavator to reach different heights, angles, and distances. 
Specification of Boom Cylinder
Bore diameter: 200mm~420mm
Rod diameter: 140mm~300mm
Maximum 4846.6KN
Pressure: 35MPa

Here's how the hydraulic boom cylinder typically works:

  1. Hydraulic System: The hydraulic boom cylinder operates within the hydraulic system of the excavator, which consists of a hydraulic pump, control valves, hydraulic hoses or piping, and a hydraulic fluid reservoir. The pump supplies pressurized hydraulic fluid, usually oil, to the system.

  2. Cylinder Construction: The hydraulic boom cylinder comprises a cylinder barrel, a piston, and a piston rod. The cylinder barrel is a cylindrical tube with sealed ends. The piston is a cylindrical component that fits snugly inside the cylinder barrel, dividing it into 2 chambers: the rod side (head end) and the cap side (blind end). The piston rod extends from the piston and is connected to the boom arm.

  3. Fluid Pressure Application: When pressurized hydraulic fluid is directed to the cylinder's rod side (head end), it pushes against the piston, creating a force that extends the piston rod. The hydraulic pressure is evenly distributed across the piston, generating a balanced force.

  4. Boom Arm Movement: As the hydraulic fluid applies pressure to 1 side of the piston, it extends the piston rod, causing the boom arm to extend. This extension enables the excavator to reach farther and higher, allowing for increased CHINAMFG depth and improved material handling capabilities. The hydraulic cylinder provides the necessary force to control the movement and positioning of the boom arm.

  5. Retraction: To retract the boom arm, the hydraulic fluid is directed to the cap side (blind end) of the cylinder. The pressure from the fluid pushes against the opposite side of the piston, retracting the piston rod and bringing the boom arm back toward the excavator. This retraction allows for compact storage of the boom arm when not in use.

  6. Control Valves: The flow and direction of hydraulic fluid to the boom cylinder are controlled by hydraulic control valves. The equipment operator operates these valves and enables precise control of the boom arm's movement, including extension and retraction. The operator can adjust the boom arm's position and angle to suit the job's specific CHINAMFG or lifting requirements.

  7. Sealing: Seals are utilized in the hydraulic boom cylinder to prevent hydraulic fluid leakage and maintain pressure within the cylinder. They are positioned at various points, such as around the piston and piston rod, ensuring a tight seal and preventing fluid from escaping.

Application of Hydraulic Boom Cylinder

The hydraulic boom cylinder has extensive application in various industries requiring large excavators and heavy equipment. Here are some typical applications of hydraulic boom cylinders:

1. Excavation and Earthmoving: Hydraulic boom cylinders are crucial for excavators' CHINAMFG and earthmoving operations. They enable the boom arm to extend and retract, allowing the excavator to reach different depths and distances. This capability is essential for CHINAMFG trenches, excavating foundations, and removing large amounts of soil or debris.

2. Material Handling: Hydraulic boom cylinders are used in excavators for material handling applications. The extendable boom arm, controlled by the hydraulic cylinder, facilitates lifting, moving, and placing heavy objects such as rocks, concrete blocks, pipes, and other construction materials. The precise control offered by hydraulic systems ensures safe and efficient material handling operations.

3. Demolition: Hydraulic boom cylinders are vital in demolition projects. The boom arm, operated by the hydraulic cylinder, enables the excavator to reach and dismantle structures, such as buildings, bridges, and walls. The hydraulic cylinder provides the necessary force and control to manipulate the boom arm for precise and controlled demolition work.

4. Grading and Leveling: Hydraulic boom cylinders are utilized for grading and leveling applications. The extendable boom arm allows the excavator to reach elevated areas and effectively distribute materials, such as soil or gravel, to create even surfaces. The hydraulic cylinder helps adjust the boom arm's angle and position, enabling accurate grading and leveling operations.

5. Mining

Our Company

We have a first-class independent R&D platform for assembly. The forklift cylinder production workshop has 4 semi-automatic lifting cylinder assembly lines and 1 fully automatic tilting cylinder assembly line, with a designed annual production capacity of 1 million pieces; the special cylinder workshop is equipped with semi-automatic cleaning and assembly systems of various specifications, with a designed annual production capacity of 200,000 essays. It has famous CNC machining equipment, machining centers, special equipment for high-precision cylinder processing, robot welding machines, automatic cleaning machines, automatic cylinder assembly machines, and automatic paint production lines. We have more than 300 sets of critical equipment running. The optimized allocation and efficient utilization of equipment resources ensure the precision requirements of the products and meet the high standard quality requirements of the products.

   Forklift cylinder assembly shop

 Other types of cylinder assembly shop


Painting & coating

     Painting & coating line

  Fully automatic water-based


To further improve product performance, and establish the leadership position of our hydraulic cylinder in the industry, our company and zjimee jointly established a Comprehensive performance laboratory of hydraulic cylinders, hydraulic valves, and hydraulic pumps; the lab is computer-assisted testing, using electro-hydraulic control technology, the test conditions preset by computer, which improves the test accuracy and system versatility, and the experimental data.
The automatic collection is realized through the application of sensors, and the output data, such as the internal leakage and load efficiency of the cylinder or the valve, are directly processed by the computer and converted to standard units (ml/min; %). At the same time, to ensure the working safety of the hydraulic system, the state monitoring function is carried out for key performance parameters, such as "oil temperature monitoring, liquid level monitoring, filter device monitoring," etc. Among them, the hydraulic cylinder test stand can test the performance of "load efficiency" and "internal leakage" by readings. At the same time, it is equipped with a grating ruler measuring instrument, which meets the requirements of all test items of hydraulic cylinder products in the national standard.

Our Factory

Packaging & Shipping

Certification: GS, RoHS, CE, ISO9001
Pressure: High Pressure
Work Temperature: Normal Temperature
Acting Way: Double Acting
Working Method: Rotary
Adjusted Form: Regulated Type

hydraulic cylinder

Can hydraulic cylinders be integrated with advanced control systems and automation?

Yes, hydraulic cylinders can be integrated with advanced control systems and automation technologies to enhance their functionality, precision, and overall performance. The integration of hydraulic cylinders with advanced control systems allows for more sophisticated and precise control over their operation, enabling automation and intelligent control. Here's a detailed explanation of how hydraulic cylinders can be integrated with advanced control systems and automation:

1. Electronic Control:

- Hydraulic cylinders can be equipped with electronic sensors and transducers to provide real-time feedback on their position, force, pressure, or velocity. These sensors can be integrated with advanced control systems, such as programmable logic controllers (PLCs) or distributed control systems (DCS), to monitor and control the operation of hydraulic cylinders. By integrating electronic control, the position, speed, and force of hydraulic cylinders can be precisely monitored and adjusted, allowing for more accurate and automated control.

2. Closed-Loop Control:

- Closed-loop control systems use feedback from sensors to continuously monitor and adjust the operation of hydraulic cylinders. By integrating hydraulic cylinders with closed-loop control systems, precise control over position, velocity, and force can be achieved. Closed-loop control enables the system to automatically compensate for variations, external disturbances, or changes in operating conditions, ensuring accurate and consistent performance. This integration is particularly beneficial in applications that require precise positioning, synchronization, or force control.

3. Proportional and Servo Control:

- Hydraulic cylinders can be integrated with proportional and servo control systems to achieve finer control over their operation. Proportional control systems use proportional valves to regulate the flow and pressure of hydraulic fluid, allowing for precise adjustment of cylinder speed and force. Servo control systems, on the other hand, combine feedback sensors, high-performance valves, and advanced control algorithms to achieve extremely precise control over hydraulic cylinders. Proportional and servo control integration enhances the responsiveness, accuracy, and dynamic performance of hydraulic cylinders.

4. Human-Machine Interface (HMI):

- Hydraulic cylinders integrated with advanced control systems can be operated and monitored through human-machine interface (HMI) devices. HMIs provide a graphical user interface that allows operators to interact with the control system, monitor cylinder performance, and adjust parameters. HMIs enable operators to set desired positions, forces, or velocities, and visualize the real-time feedback from sensors. This integration simplifies the operation and monitoring of hydraulic cylinders, making them more user-friendly and facilitating seamless integration into automated systems.

5. Communication and Networking:

- Hydraulic cylinders can be integrated into communication and networking systems, enabling them to be part of a larger automated system. Integration with industrial communication protocols, such as Ethernet/IP, Profibus, or Modbus, allows for seamless information exchange between the hydraulic cylinders and other system components. This integration enables centralized control, data logging, remote monitoring, and coordination with other automated processes. Communication and networking integration enhance the overall efficiency, coordination, and integration of hydraulic cylinders within complex automation systems.

6. Automation and Sequential Control:

- By integrating hydraulic cylinders with advanced control systems, they can be seamlessly incorporated into automated processes and sequential control operations. The control system can execute predefined sequences or programmed logic to control the operation of hydraulic cylinders based on specific conditions, inputs, or timing. This integration enables the automation of complex tasks, such as material handling, assembly operations, or repetitive motions. Hydraulic cylinders can be synchronized with other actuators, sensors, or devices, allowing for coordinated and automated operation in various industrial applications.

7. Predictive Maintenance and Condition Monitoring:

- Advanced control systems can also enable predictive maintenance and condition monitoring for hydraulic cylinders. By integrating sensors and monitoring capabilities, the control system can continuously monitor the performance, health, and condition of hydraulic cylinders. This integration allows for the detection of abnormalities, wear, or potential failures in real-time. Predictive maintenance strategies can be implemented based on the collected data, optimizing maintenance schedules, reducing downtime, and enhancing the overall reliability of hydraulic systems.

In summary, hydraulic cylinders can be integrated with advanced control systems and automation technologies to enhance their functionality, precision, and performance. The integration allows for electronic control, closed-loop control, proportional and servo control, human-machine interface (HMI) interaction, communication and networking, automation and sequential control, as well as predictive maintenance and condition monitoring. These integrations enable more precise control, automation, improved efficiency, and optimized performance of hydraulic cylinders in various industrial applications.

hydraulic cylinder

Contribution of Hydraulic Cylinders to the Precision of Robotic and Automation Systems

Hydraulic cylinders play a significant role in enhancing the precision of robotic and automation systems. These systems rely on precise and controlled movements to perform various tasks with accuracy and repeatability. Let's explore how hydraulic cylinders contribute to the precision of robotic and automation systems:

  1. Precise Positioning: Hydraulic cylinders enable precise positioning of robotic arms or automation components. They provide accurate control over the linear motion required for tasks such as picking, placing, and assembly. By precisely controlling the extension and retraction of the hydraulic cylinder, the system can achieve the desired position with high accuracy, ensuring precise alignment and consistent results.
  2. Controlled Motion: Hydraulic cylinders offer controlled and smooth motion, which is crucial for precise operation in robotic and automation systems. The flow of hydraulic fluid can be precisely regulated to control the speed and acceleration of the cylinder's movement. This precise control allows for gentle and controlled movements, minimizing vibrations, overshooting, or jerky motions that could affect the accuracy of the system.
  3. Force Control: Hydraulic cylinders provide force control capabilities that contribute to precision in robotic and automation systems. By adjusting the hydraulic pressure, the force exerted by the cylinder can be precisely controlled. This is particularly valuable in applications that require delicate force-sensitive tasks, such as gripping fragile objects or performing precise force feedback during assembly or testing processes.
  4. Load Handling: Hydraulic cylinders are capable of handling heavy loads, allowing robotic and automation systems to manipulate and transport objects with precision. The high force capabilities of hydraulic cylinders ensure secure and stable handling of loads, minimizing the risk of slippage or imprecise positioning. This is crucial in applications where precise control over heavy objects is required, such as material handling or industrial assembly processes.
  5. Durability and Reliability: Hydraulic cylinders are known for their durability and reliability in demanding industrial environments. The ability to withstand repeated use, high loads, and harsh conditions ensures consistent performance over time. This reliability contributes to the precision of robotic and automation systems, as any deviation or failure in the cylinder's movement could lead to inaccuracies or disruptions in the system's operation.

In summary, hydraulic cylinders make significant contributions to the precision of robotic and automation systems by enabling precise positioning, controlled motion, force control, load handling, and offering durability and reliability. These capabilities ensure accurate and repeatable movements, minimize errors, and enhance the overall precision of the system. By incorporating hydraulic cylinders into robotic and automation systems, manufacturers can achieve higher levels of precision, efficiency, and productivity in various industrial applications.

hydraulic cylinder

Can you provide real-world examples of machinery that heavily rely on hydraulic cylinders?

Hydraulic cylinders are widely used in various industries and applications due to their ability to provide powerful and precise linear motion. They play a crucial role in enabling the operation of heavy machinery that requires controlled force and movement. Here are some real-world examples of machinery that heavily rely on hydraulic cylinders:

1. Construction Equipment:

- Hydraulic cylinders are extensively used in construction machinery, such as excavators, bulldozers, loaders, and cranes. These machines rely on hydraulic cylinders to perform tasks like lifting heavy loads, extending and retracting booms, tilting buckets, and controlling the movement of various components. Hydraulic cylinders provide the power and precision required to handle the demanding conditions and heavy loads encountered in construction projects.

2. Agricultural Machinery:

- Many agricultural machines, including tractors, combine harvesters, and sprayers, utilize hydraulic cylinders for critical operations. Hydraulic cylinders are used to control the movement of attachments, such as front loaders, backhoes, and plows. They enable functions like lifting and lowering implements, adjusting cutting heights, and controlling the positioning of harvesting equipment. Hydraulic cylinders enhance efficiency and productivity in agricultural operations.

3. Material Handling Equipment:

- Hydraulic cylinders are integral components of material handling equipment, such as forklifts, pallet jacks, and cranes. These machines rely on hydraulic cylinders to lift and lower loads, tilt platforms or forks, and control the movement of lifting mechanisms. Hydraulic cylinders provide the necessary strength and precision to handle heavy loads and ensure safe and efficient material handling operations.

4. Industrial Machinery:

- Various industrial machinery and equipment heavily rely on hydraulic cylinders for critical functions. Examples include hydraulic presses, injection molding machines, metal-forming machines, and hydraulic-powered robots. Hydraulic cylinders enable precise control of force and movement in these applications, allowing for accurate shaping, pressing, and assembly processes.

5. Mining Equipment:

- Hydraulic cylinders are extensively used in mining machinery and equipment. Underground mining machines, such as continuous miners and longwall shearers, utilize hydraulic cylinders for cutting, shearing, and roof support operations. Surface mining equipment, including hydraulic shovels, draglines, and haul trucks, rely on hydraulic cylinders for tasks like bucket movement, boom extension, and vehicle suspension.

6. Automotive Industry:

- The automotive industry extensively utilizes hydraulic cylinders in various applications. Hydraulic cylinders are employed in vehicle suspension systems, power steering systems, convertible tops, and hydraulic brake systems. They enable smooth and controlled movement, precise steering, and efficient braking in automobiles.

7. Aerospace and Aviation:

- Hydraulic cylinders are utilized in aerospace and aviation applications, such as aircraft landing gear systems, wing flaps, and cargo handling equipment. Hydraulic cylinders provide the necessary force and control for extending and retracting landing gear, adjusting wing flaps, and operating cargo doors, ensuring safe and reliable aircraft operations.

8. Marine and Offshore Industry:

- Hydraulic cylinders are essential components in marine and offshore equipment, including ship cranes, winches, and hydraulic-powered anchor systems. They enable lifting, lowering, and positioning of heavy loads, as well as the control of various marine equipment.

These are just a few examples of machinery and industries that heavily rely on hydraulic cylinders. The versatility, power, and precise control offered by hydraulic cylinders make them indispensable in a wide range of applications, where controlled linear motion and force are essential.

China supplier China Professional Manufacture Hydraulic Boom Cylinder for Large Excavator for Sale   supplier China supplier China Professional Manufacture Hydraulic Boom Cylinder for Large Excavator for Sale   supplier
editor by CX 2023-11-07