We produce various hydraulic cylinders, including non-standard hydraulic cylinders.
The information of hydraulic cylinders is listed in the following:
Renowned brand excavator hydraulic cylinder: excavator models are required.
Customized  hydraulic cylinder: Hydraulic cylinder design drawings or measurement photos of each component are required, or samples should be delivered to China.
Application scenarios: excavator hydraulic cylinders, loader hydraulic cylinders, auto hydraulic cylinders, steel rolling mill hydraulic cylinders, ship hydraulic cylinders

INTRODUCTION to CYLINDERS
The cyliner barral and piston rod are made of anti-freezing and wear-resistant materials.
Cyliner barral: 16 manganese
Piston rod: 42mcro
There are two types of oil seals: imported oil seals and Chinese oil seals (optional)
Paint: High quality paint will not peel off at low temperatures. You can choose the color of paint.

Minimum order quantity: 1 piece
Packaging: carton/wooden (optional)

Cylinders, being the core of the hydraulic system in the implementation of this component, have undeniable significance. Below is a detailed description of the cylinder, covering its definition, working principle, structural composition, operational characteristics, areas of application, development trends, and other aspects.

First, the definition and overview  
A cylinder, known as a hydraulic cylinder, is a device for converting hydraulic energy into mechanical energy. It uses fluid pressure to create force and motion, through controlling the fluid in and out and the flow, to achieve linear reciprocating motion or oscillating motion. Cylinders are widely used in various types of mechanical equipment, being an important part of the hydraulic system.

Secondly, the working principle  
The working principle of the cylinder is based on Pascal's principle, that is, when a liquid transmits pressure in a closed vessel, the pressure is the same everywhere. When oil enters the cylinder barrel through the cylinder's inlet, due to the incompressibility of the liquid, the oil creates a certain pressure in the cylinder. This pressure is transmitted to the working parts through the piston, creating force and motion. The piston of the cylinder can perform linear reciprocating motion, with the output linear displacement being limited, but various working modes can be achieved by controlling the flow of fluid into and out of the cylinder.

In particular, the working process of the oil cylinder includes the following stages:

Oil intake stage: oil enters one side of the cylinder barrel through the intake hole, resulting in a certain pressure on the piston, which pushes the piston to the other side.
Working stage: the piston pushes the working parts, transmitting force and performing work.
Oil return stage: when it is necessary to stop or change the direction of the piston movement, oil flows out of the cylinder barrel through the oil return hole, so that the pressure on the piston decreases or disappears, thus realizing the stop or reverse movement of the piston.

Structure  
The structure of the cylinder is complex and precise, mainly consisting of the following parts:

Cylinder barrel and cylinder cover: the cylinder barrel is the main part of the cylinder, which is usually made of high-quality seamless steel pipe. The hole is finely processed to achieve a high degree of finish, reduce friction during movement, and extend the service life of the seals. The cylinder cover is used to close one end of the cylinder barrel and form a closed chamber with the cylinder barrel.
Piston and rod: the piston is a key component of the cylinder, which closely fits the inner wall of the cylinder through seals. The piston rod is connected to the piston and transmits the motion of the piston to external working organs. Pistons and rods are most often made of cast iron or steel and undergo special treatment to enhance their wear resistance and corrosion resistance.
Seals: Seals are used to prevent hydraulic fluid leakage and maintain pressure in the system. Common seals include O-rings, Y-shaped seals, V-shaped seals, etc. These seals are usually made from high-performance materials that have good resistance to wear, corrosion, and high temperatures.
Damping device and exhaust device: The damping device is used to reduce impact loads and vibrations when the piston moves to the end, to protect the cylinder and working parts from damage. The exhaust device is used to remove air and impurities in the cylinder to ensure normal operation of the cylinder.
In addition, the cylinder may include some auxiliary components, such as an oil port, dust protection device, etc. These parts do not directly participate in the working process of the cylinder, but they play an important role in improving the performance and reliability of the cylinder.
Fourthly, operational characteristics

The oil cylinder has the following important operational characteristics: high specific power: compared to the cylinder, the oil cylinder can produce greater power, suitable for cases requiring high output power. Smoothness: the movement of the cylinder is smooth, with a fast response speed, allowing for precise control of position and speed. Reliability: the design of the cylinder is relatively simple, easy to maintain, and the hydraulic transmission is self-lubricating, which reduces wear and failures. Adaptability: the cylinder can be adjusted according to various working requirements, such as changing the cylinder diameter, stroke, and other parameters to adapt to different working conditions and work content. Safety: the cylinder is equipped with a range of protective devices, such as a pressure maintenance safety device, pressure relief valve, etc., to ensure safe operation under overloads or abnormal conditions.

Areas of application

The areas of application for oil cylinders are wide and diverse, covering many industries such as machinery, automotive, metallurgy, chemical industry, construction, environmental protection, electric power, and so on. In machinery, cylinders are widely used in various mechanical devices such as stamping machines, shears, hydraulic presses, and shaft pulling machines; in automotive, cylinders play an important role in the braking system, transmission, and suspension; in metallurgy, cylinders are used in stamping presses, shears, rolling mills, bending machines, etc.; in the chemical industry, cylinders are used in oil, chemical processes, and equipment; in the construction industry, cylinders are used in concrete pumps, concrete spraying equipment, etc.; in environmental protection, oil cylinders are used in wastewater treatment, seawater desalination, and other equipment; in electric power, oil cylinders are used in hydroelectric power stations, gas turbines, nuclear power plants, and other large-scale equipment.