Cylinder barrel is the main structural housing of hydraulic or pneumatic cylinders that contains pressurized fluid and guides piston movement.
The cylinder barrel, also called cylinder tube, is the primary pressure-containing component in hydraulic and pneumatic actuators. It serves as the cylindrical housing that encloses the piston assembly, maintains fluid pressure integrity, provides precise internal surface for piston sealing and movement, and transfers mechanical loads between mounting points. In lift cylinders, it withstands axial forces from hydraulic pressure while maintaining dimensional stability under varying loads and temperatures.
诱因 → 失效模式 → 工程缓解
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Cylinder barrels require honed interior surfaces with Ra 0.2-0.4 μm finish to ensure proper seal performance and minimize friction during piston movement.
Cylinder barrels undergo hydrostatic pressure testing at 1.5 times maximum working pressure, along with dimensional inspection, surface finish measurement, and material certification per ISO 6020 standards.
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