Arm CylinderFor Doosan Middle Excavator DH220LC-9E

Arm Cylinder for Doosan Middle Excavator DH220LC-9E

Arm cylinder is a specially designed hydraulic cylinder that is mainly used to provide linear motion and power for various kinds of machinery arms such as excavators, cranes, and mechanical arms. The arm cylinder plays a crucial role in the hydraulic system, enabling the additional tools or attachments to move and control effectively. These cylinders not only achieve smooth movement but also withstand heavy loads, ensuring efficient operation and reliability of the machinery under various working conditions.

Definition and Explanation

The arm cylinder is a type of hydraulic cylinder that provides linear motion and power to various machinery arms. It uses hydraulic fluid to generate force, which is transmitted to the piston, causing it to move in a linear direction. The piston is connected to the rod, which is attached to the machinery arm. The cylinder’s bore determines the amount of force that can be generated, while the piston’s surface area determines the force’s magnitude.

Features

1. High efficiency transmission: The arm cylinder provides powerful linear motion and force, ensuring the machinery arm’s high efficiency in various operations.

2. Precise control: Through the hydraulic system, the arm cylinder can achieve accurate motion control, making the additional tool operations more flexible and accurate.

3. Strong durability: Arm cylinders are usually made of high-strength materials, have good wear resistance and corrosion resistance, and are suitable for long-term use in harsh environments.

4. Multifunctional adaptability: These cylinders can be widely used in various types of machinery equipment, such as excavators, cranes, and mechanical arms, to adapt to different working requirements.

5. Easy maintenance: The design considers easy maintenance and replacement, making regular inspection and maintenance more convenient, reducing equipment downtime.

Production

Our company produces this product, and our product can perfectly replace these hydraulic cylinders.

Applications

Arm cylinders can be used in various applications, including:

1. Construction Engineering: In excavators and cranes, arm cylinders control the bucket or crane’s motion for earthwork, material handling, and structural installation.

2. Manufacturing Industry: In automated production lines, arm cylinders control the mechanical arm’s motion for assembly, welding, and handling processes, improving production efficiency and accuracy.

3. Agricultural machinery: In agricultural machinery such as harvesters and planters, arm cylinders control the operating arm’s movement to perform tasks such as seeding, fertilizing, and harvesting.

4. Mining: In mining equipment, arm cylinders control the arm’s movement for mining and transporting minerals.

5. Logistics and Transportation: In forklifts and handling robots, arm cylinders control the fork’s lifting and movement, realizing material handling and stacking.

Design Considerations and Selection Criteria

1. Load-bearing capacity: The arm cylinder’s bore size and the piston’s surface area determine the load-bearing capacity. The cylinder must be able to withstand the maximum load at the most extended length.

2. Sealing: The cylinder must use various sealing components such as piston seals, rod seals, and wipers to prevent leaks and contamination.

3. Durability: The cylinder body and piston rod must be made of high-strength materials with good wear resistance and corrosion resistance.

4. Safety: The cylinder should have safety features such as cushioning and overpressure protection to prevent accidents.

5. Maintenance: The cylinder should be designed for easy maintenance and replacement of parts.

Sealing and Lubrication

Various sealing components such as piston seals, rod seals, and wipers are used to prevent leaks and contamination. These components are made of wear-resistant materials such as polyurethane and nitrile rubber. The cylinder body and piston rod undergo fine processing to improve wear resistance. The cylinder also requires regular lubrication with hydraulic oil to maintain smooth operation.

Preventive Maintenance

Regular inspection and maintenance are essential to ensure the arm cylinder’s reliable and efficient operation. The following measures can be taken:

1. Regularly inspect the cylinder for any signs of damage or wear.

2. Replace worn or damaged parts promptly.

3. Use quality hydraulic oil and replace it as recommended.

4. Follow the manufacturer’s installation and operating instructions.

Product Installation Guide

1. Before installation, thoroughly clean the mounting surfaces and ensure that they are flat and free of any burrs or protrusions.

2. Carefully align the cylinder and the machinery arm, ensuring that the pinholes are aligned correctly.

3. Securely install the cylinder pins and retainers.

4. Connect the hydraulic hoses to the cylinder ports, ensuring that they are correctly connected.

5. Fill the cylinder with hydraulic oil and check for any leaks.

Safety and Environmental Considerations

Safety is of utmost importance when working with machinery, and arm cylinders are no exception. It is essential to follow the manufacturer’s safety guidelines and wear appropriate personal protective equipment such as gloves and safety glasses. Proper disposal of hydraulic oil is also crucial to prevent environmental contamination.

Troubleshooting and Common Issues

Some common issues with arm cylinders include leaks, damage to seals, and insufficient force. These issues can be caused by wear and tear, contamination, or improper installation. If any of these issues occur, it is essential to consult the manufacturer’s troubleshooting guide or seek the assistance of a professional.

Fault Handling and Prevention

To prevent potential issues, regular inspection and maintenance are essential. The following measures can be taken to prevent problems:

1. Use quality hydraulic oil and replace it as recommended.

2. Follow the manufacturer’s installation and operating instructions.

3. Avoid overloading the cylinder beyond its capacity.

4. Regularly inspect the cylinder for any signs of damage or wear.

Our Company

We are a professional manufacturer of replacement hydraulic cylinders with a wide range of products. We have become one of the leading hydraulic cylinder manufacturers and wholesalers globally. We always uphold the principle of excellent quality and continuously improve our technology and production efficiency. Through the introduction of high-end digital manufacturing equipment and professional testing systems, we continuously optimize the manufacturing platform, improve the product quality control process and have strong innovation ability. Our goal is to meet customers’ diversified requirements with efficient, accurate, and high-quality principles.

Our company offers professional services, international certifications, customized services, production equipment, and after-sales services. We have a team of professionals who can provide customers with customized services and technical support. We have obtained various international certifications such as ISO9001, CE, and ROHS, ensuring the high quality of our products and services. We have a complete production line, advanced production equipment, and strict quality control procedures to ensure that each product meets customer requirements. We provide excellent after-sales service and have established a comprehensive after-sales service system to solve customers’ problems promptly.

Author: lyl