Large Excavator Stick Cylinder (Arm Cylinder)

Large Excavator Stick Cylinder (Arm Cylinder)

The large excavator stick cylinder is a critical component of heavy-duty excavators used in construction, mining, and other earthmoving applications. It plays a vital role in controlling the movement of the boom and stick, enabling the excavator to perform various tasks efficiently.The large excavator stick cylinder, also known as the arm cylinder or dipper cylinder, is a hydraulic cylinder specifically designed for excavators. It is typically positioned on the backside of the boom and connects to the stick or arm of the excavator. The stick cylinder consists of a cylindrical barrel, a piston, a piston rod, and hydraulic seals.The primary function of the large excavator stick cylinder is to extend and retract the stick or arm of the excavator. This allows the operator to control the reach and depth of the excavation or loading operation. By extending the stick, the operator can reach farther and dig deeper, while retracting it brings the bucket closer to the machine for dumping or transportation.The large excavator stick cylinder operates using hydraulic fluid under high pressure. When hydraulic fluid is supplied to one side of the cylinder, it pushes the piston and piston rod, causing the stick to extend. Reversing the flow of hydraulic fluid to the other side of the cylinder retracts the stick. The hydraulic system is controlled by the operator through hydraulic valves and controls in the cabin.Large excavator stick cylinders are built to withstand heavy loads, extreme forces, and harsh working conditions. They are typically constructed from high-strength materials such as steel, and their design ensures durability and longevity. The stick cylinders are also equipped with seals and wipers to prevent hydraulic fluid leakage and protect the internal components from contaminants.

Large Excavator Stick Cylinder Specifications:

Product Name	Large Excavator Stick Cylinder
Features:	Control the movement of the forearm
Bore diameter:	210mm～360mm
Rod diameter:	145mm～260mmStroke≤2600mm
Thrust force:	Maximum 3560.8KN
Bore diameter:	360mm/pressure35MPa

Features of Large Excavator Stick Cylinder:

A large excavator stick cylinder is a hydraulic cylinder that is used to extend and retract the stick of an excavator. The stick is the long, vertical member that connects the boom to the bucket. The cylinder is typically made of high-strength steel and is designed to withstand high pressures and loads.

The main features of a large excavator stick cylinder include:

1. Double acting: This means that the large excavator stick cylinder can move in both directions, extending and retracting the stick.2. Telescopic: This means that the large excavator stick cylinder has multiple sections that can telescope inside each other, allowing for a longer stroke.3. High pressure: The large excavator stick cylinder is designed to withstand high hydraulic pressures, typically up to 3,000 psi.4. Heavy duty: The large excavator stick cylinder is made of high-strength steel and is designed to withstand heavy loads.5. Durable: The large excavator stick cylinder is designed to be durable and long-lasting.

The size of the large excavator stick cylinder will vary depending on the size of the excavator. Large excavators will typically have larger cylinders than smaller excavators.

The large excavator stick cylinder is an important component of an excavator and its proper operation is essential for the safe and efficient operation of the machine.

How to Install the Large Excavator Stick Cylinder?

Here are the steps on how to install a large excavator stick cylinder:

1. Disconnect the power. Make sure to disconnect the power to the excavator before you start working on it. This will help to prevent accidental injuries.
2. Remove the old cylinder. Use a crane or hoist to remove the old stick cylinder. Be careful not to damage the hydraulic lines or other components.
3. Clean the mounting surfaces. Use a clean rag to remove any dirt, debris, or grease from the mounting surfaces. This will help to ensure a good seal between the large excavator stick cylinder and the mounting surfaces.
4. Install the new cylinder. Carefully align the new stick cylinder with the mounting surfaces and install it using the appropriate bolts or pins.
5. Connect the hydraulic lines. Connect the hydraulic lines to the new stick cylinder. Make sure that the lines are properly tightened.
6. Check for leaks. Operate the excavator to check for leaks. If you see any leaks, tighten the connections or replace the seals.

Here are some additional safety tips to keep in mind when installing a large excavator stick cylinder:

• Always wear safety glasses and gloves when working on an excavator.
• Make sure that the excavator is stable and level before you start working on it.
• Use a crane or hoist to lift the cylinder, if necessary.
• Be careful not to overtighten the bolts or pins.
• Do not operate the excavator until you are sure that the stick cylinder is installed correctly and there are no leaks.

China Large Excavator Cylinder Manufacturers

In 30 years of focusing on innovation, Raydafon has reached the forefront of the world’s hydraulic industry in terms of both production scale and technical level. Meanwhile, Raydafon is now a widely recognized benchmarking enterprise in the domestic hydraulic industry. Headquartered in Ningbo, Raydafon has founded five hydraulic R&D centers in China, Germany, the United States, Japan, and Mexico, and ten manufacturing bases worldwide. Raydafon the establishment of a high-precision foundry and a pump & valve factory, Raydafon has mastered the key to developing and manufacturing more advanced hydraulic transmission and control components to supply high-pressure cylinders, hydraulic pump valves, motors, precision castings, and the complete hydraulic system. Well sold in over 20 countries and regions, the products are widely applied in various fields such as mobile machinery, agricultural machinery, industrial engineering, offshore, energy technology, and tunnel boring machines.Raydafon is a company in the R&D and manufacture of hydraulic cylinders. It maintains a leading position in the market segment of hydraulic cylinders for forklifts in China. In 2020, the domestic market share was around 29%. We produce industrial vehicle hydraulic cylinders, aerial work vehicle hydraulic cylinders, small excavator bucket cylinders, construction machinery hydraulic cylinders, forklift hydraulic cylinders, crane hydraulic cylinders, and sanitation machinery hydraulic cylinders. Hydraulic cylinder is a non-standard product and all products are independently developed by ourselves.Raydafon is committed to providing customers with efficient hydraulic technology solutions and products, maintaining strong partnerships with customers, and leading the development of China’s hydraulic industry through more scientific solutions. Raydafon aims to make more contributions to the sustainable development of society, the construction of green cities, and building a better future.