Iron Outer Sleeve

The Iron Outer Sleeve acts as a critical wear-resistant, high-strength containment component in hydraulic cylinders, shock absorber housings, or linear guide mechanisms. Jinghong Precision's Iron Outer Sleeves are crafted from high-precision seamless steel tubes or bar stock, typically using 45# steel or higher-grade alloy steels for excellent mechanical properties and machinability. This iron outer sleeve is designed to precisely match piston rods, inner tubes, or other moving parts, forming a stable friction pair whose quality dictates the actuator's or damping element's service life and efficiency.

Our manufacturing strength lies in control of micro-geometry. The sleeve's inner wall, honed or roller-burnished, achieves tight tolerances and cross-hatched patterns for oil retention, reducing friction and wear. Inner surfaces can be phosphated, chrome-plated, or coated with materials like DLC. For applications in construction machinery or industrial automation, our Iron Outer Sleeves feature optimized wall thickness and heat treatment for highstrength and impact toughness. We provide technical support for selection and life estimation, ensuring optimal integration into your systems.

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