YANTAI MARK UP SOLUTIONS CO., LTD
| Control Standards for Deep Processing Seamless Steel Pipes | |||
| O.D.(mm) | Φ10.3-1020 | O.D.Tolerance(mm) | ±1.5 |
| W.T.(mm) | 1.24-120 | W.T.Tolerance(mm) | ±0.75 |
| Parts Length:6M–12M | for parts Length of 1M-6M, the O.D.&W.T. tolerance can be stricter | ||
| Straightness≤ | 1.5mm/M | ||
| Surface Finish | Ra3.2(▽5) or stricter | ||
| Temperature≤ | 400℃ | ||
| Rust and corrosion | Apply oil or anti-corrosion paint | ||
| Package | Color/mesh cloth;wooden case; bundle grid;nylon belt;color strip | ||
1.The machining process of hydraulic cylinder includes the following steps:
1.1 Material preparation: high-strength alloy steel or carbon steel. The choice of material directly affects the strength and wear resistance of the cylinder.
1.2 Mechanical processing: Mechanical processing is the core link in the manufacturing of hydraulic cylinder. Mainly including processes such as turning, milling, and grinding. Turning is used for preliminary forming, milling is used for processing complex shapes, and grinding is used to improve surface accuracy and smoothness.
1.3 Heat treatment: Heat treatment is an important process for improving the mechanical properties of cylinder. By appropriate heat treatment processes, the hardness and strength of materials can be improved, and their fatigue resistance can be enhanced.
1.4 Surface treatment: Surface treatment mainly includes processes such as chrome plating and spraying to improve the wear resistance and corrosion resistance of the cylinder. The chrome plating layer can significantly reduce the friction coefficient and extend service life.
1.5 Assembly and Testing: Assemble the processed cylinder with other components and conduct performance testing to ensure compliance with design standards.
2. Material selection
2.1 Alloy Steel: Alloy steel is commonly used in the manufacture of hydraulic cylinder due to its excellent strength and toughness. It also has good wear resistance and is suitable for high load working environments.
2.2 Carbon Steel: Carbon steel has good processing performance and cost advantages, and is suitable for some hydraulic cylinder that do not require high strength.
2.3 Stainless steel: In some special environments, such as humid or highly corrosive environments, stainless steel is an ideal choice. It has strong corrosion resistance and can extend the service life of the cylinder.
3. Surface treatment
3.1 Chromium plating: Chromium plating is the most common surface treatment process, which can effectively improve the wear resistance and corrosion resistance of cylinder. The chrome plated cylinder has a smooth surface and low friction coefficient, making it suitable for use in high-frequency motion environments.
3.2 Spraying: Spraying can form a protective film on the surface of the cylinder, enhancing its corrosion resistance. Common spraying materials include polyurethane and epoxy resin.
3.3 Polishing: Polishing treatment can improve the surface smoothness of the cylinder, reduce friction loss, and thus improve work efficiency. The polished cylinder can maintain good sealing performance under the action of high-pressure liquid.
4. Application Fields
4.1 Construction machinery: such as excavators, loaders, etc., hydraulic cylinder is responsible for driving the movement of the robotic arm.
4.2 Transportation: In vehicles such as cars and trains, hydraulic cylinder is used for braking and suspension systems to ensure safe and comfortable driving.
4.3 Shipbuilding industry: Hydraulic cylinder is commonly used in equipment such as ship servos and cranes to enhance operational flexibility and efficiency