Product Description
Hydraulic Cylinder Tube is a seamless precision tube used as the body of hydraulic cylinders, providing a smooth, durable surface for piston movement under high pressure. The tube forms the outer shell of the cylinder and houses the piston, piston rod, seals, and other components. With high strength, dimensional accuracy, and an excellent surface finish, these tubes ensure leak-free operation in demanding applications.
Design and Structure
1. Outer Shell: The outer wall of the tube provides the structural strength required to withstand internal pressure and external stress. It must also be resistant to corrosion and wear.
2. Inner Surface: The inner surface of the tube is typically honed or polished to achieve a smooth finish. This smoothness helps reduce friction between the piston and the tube wall, thus helping to prevent wear and fluid leakage.
3. Length and Diameter: The length and diameter of the hydraulic cylinder tube depend on the specific application. Common tube diameters range from 25 mm to 400 mm, while the length varies depending on the size and stroke of the hydraulic cylinder.
Working Principle
The Hydraulic Cylinder Tube serves as the housing for the piston and hydraulic oil. When hydraulic oil is pumped into the cylinder through the ports, it creates pressure on the piston. The piston moves along the inner surface of the tube, converting hydraulic energy into mechanical motion. The tube must withstand the high pressure generated by the hydraulic oil and provide a smooth, sealed moving surface to ensure efficient piston operation.
Features
The Hydraulic Cylinder Tube is a typical application of honing tubes. This product is made from cold-drawn seamless steel pipes (CDS pipes) as raw material, processed via inner surface honing or gear rolling (abbreviated as SRB). It is widely used in the manufacture of hydraulic cylinders, hence its alternative name: hydraulic cylinder tubes.
Advantages
Hydraulic Cylinder Tubes are produced from our cold-drawn seamless (CDS) steel tubes. The honing process involves removing small amounts of material using abrasive polishing stones and sandpaper to achieve extremely accurate inner diameter (ID) dimensions and an improved finish. Honed tubing can be used in hydraulic cylinder applications without further ID treatment. The properties and precision of cold-drawn steel tubes make these products particularly suitable for use as cylinders and pistons in hydraulic and pneumatic power transmission and control systems.
Application Areas
1. Construction Equipment: Excavators, loaders, bulldozers (telescopic cylinders for dump trucks)
2. Material Handling: Forklifts, scissor lift platforms, dock levelers
3. Industrial Machinery: Presses, injection molding machines, steel mills
4. Mining and Drilling: Heavy-duty cylinders designed to withstand extreme pressure
5. Agricultural Machinery: Tractors, harvesters
6. Marine Equipment: Corrosion-resistant stainless steel tubing
7. Special Machinery: Band saws, custom lifting equipment
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