Arm Cylinder For Komatsu Large Excavator PC850SE-8

Product Definition

What is an Arm Cylinder?

An arm cylinder is a specially designed hydraulic cylinder that provides linear motion and power to the arms of various machines like excavators, cranes, and robotic arms. It plays a crucial role in the hydraulic system, allowing attachments or accessories to move and operate smoothly and effectively. These cylinders not only provide smooth motion but also withstand heavy loads, ensuring efficient operation and reliability of machinery under various working conditions.

Product Features

Key Features

• High Efficiency Transmission: The arm cylinder provides powerful linear motion and force to ensure efficient performance of the mechanical arm during various operations.
• Precise Control: The arm cylinder can achieve precise motion control through the hydraulic system, making the operation of attachments more flexible and accurate.
• Strong Durability: Arm cylinders are usually made of high-strength materials, have good wear and corrosion resistance, and are suitable for long-term use in harsh environments.
• Multi-functional Adaptability: These cylinders can be widely used in various mechanical equipment, such as excavators, cranes, and robotic arms, to adapt to different working needs.
• Easy Maintenance: The design is considered for easy maintenance and replacement, making regular inspection and maintenance more convenient and reducing equipment downtime.

Product Replacement

We can manufacture this product, and our product can perfectly replace these hydraulic cylinders.

Application Scenarios

Building and Construction

In excavators and cranes, arm cylinders are used to control the movement of buckets or booms for earthmoving, material handling, and structural installation.

Manufacturing

In automated production lines, arm cylinders are used for the movement of robotic arms for assembly, welding, and material handling, improving production efficiency and accuracy.

Agricultural Machinery

In agricultural machinery such as harvesters and planters, arm cylinders control the motion of operating arms, performing tasks like seeding, fertilization, and harvesting.

Mining

In mining equipment, arm cylinders are used to control the arm movements of mining equipment, such as ore mining and handling.

Logistics and Transport

In forklifts and handling robots, arm cylinders are used to control the lifting and movement of fork blades, realizing the handling and stacking of materials.

Product Design Considerations and Selection Criteria

Load Capacity

The load capacity of the arm cylinder must be able to withstand the maximum load of the machinery during operation to ensure the safety and efficiency of the equipment.

Sealing

Various sealing components, such as piston seals and rod seals, are used to prevent hydraulic fluid leakage and ensure the normal operation of the cylinder. These seals must be made of wear-resistant materials such as polyurethane and nitrile rubber.

Durability

Arm cylinders are commonly exposed to harsh environments such as dust, moisture, and corrosive substances. Therefore, the cylinder body and threaded end surface need to be finely processed to improve wear resistance.

Safety and Maintenance

Providing a reliable safety device to avoid accidents is important when selecting an arm cylinder. Designing the cylinder for easy maintenance and replacement can reduce downtime and improve efficiency.

Sealing and Lubrication

Various sealing components, such as piston seals and rod seals, are used to prevent hydraulic fluid leakage and ensure the normal operation of the cylinder. The cylinder body and threaded end surface need to be finely processed to improve wear resistance. Regularly adding an appropriate amount of hydraulic oil for lubrication is necessary.

Regular Inspection and Preventative Maintenance

Inspection

Regular inspection of the arm cylinder is necessary to prevent unexpected failures that could lead to equipment downtime. Inspections should include checking the cylinder’s seals, threaded end surfaces, and wear and tear on the cylinder body.

Preventative Maintenance

Preventative maintenance measures include cleaning the arm cylinder regularly, replacing the hydraulic oil and seals when necessary, and replacing the cylinder if significant wear is detected.

Product Installation Guide

Pre-Installation

Before installation, check whether the cylinder specifications match the machinery requirements, and inspect the threaded end surfaces of the cylinder and the machinery to ensure they are clean and free of burrs.

Installation

During installation, pay attention to the alignment of the cylinder and the machinery and ensure the gasket and seal are installed correctly. Tighten the bolts according to the specified torque.

Post-Installation

After installation, check for leaks and ensure the cylinder is operating normally.

Product Safety and Environmental Considerations

When using arm cylinders, safety devices such as limiters and safety valves should be installed to ensure the safe operation of the equipment and avoid accidents. Arm cylinders should be disposed of properly to avoid polluting the environment.

Troubleshooting and Common Problems

Common Problems

• Leakage of hydraulic oil
• Abnormal cylinder noise
• Slow or jerky motion
• Difficulty lifting or lowering the equipment
• Excessive wear or damage to the cylinder body or seals

Troubleshooting and Solutions

• Check for loose bolts or damaged seals and replace them if necessary
• Check for damage to the cylinder body and replace if necessary
• Inspect the hydraulic oil level and replace if necessary
• Check for damage to the piston rod and replace if necessary

Preventative Measures

Preventative measures include regular inspection, cleaning, and replacement of damaged seals or cylinder bodies. Proper lubrication and operation can also help prevent problems.

About Us

We are a professional manufacturer of hydraulic cylinders, offering a wide range of products and becoming one of the leading manufacturers and wholesale distributors of hydraulic cylinders in domestic and foreign markets. We always adhere to the principle of excellent quality, relying on the industrialized production management strategy of the sophisticated manufacturing workshop, continuously improve the technical level and production efficiency. By introducing high-end digital manufacturing equipment and professional testing systems, we continuously optimize the manufacturing platform, perfect the product quality control process, and have strong innovation ability. Our goal is to meet the diversified needs of customers with the principles of high efficiency, accuracy, and high quality. We offer professional services, international certification, customized services, production equipment, and after-sales services.

Author: lyl.