Product Introduction
High Precision Chrome Plated Rod is a precisely machined, chromium-coated metal rod, offering excellent wear resistance, corrosion resistance, and high hardness. It is widely used in industrial machinery, serving as a piston rod in hydraulic systems to ensure effective sealing and durability, and playing a key role in transmission and guidance in machine tool manufacturing to maintain machining accuracy and equipment stability.
Product Advantages
Durability
The High Precision Chrome Plated Rod features a chrome plating thickness of 0.03-0.05mm and a hardness exceeding HRC60, surpassing the HRC50 standard of ordinary electroplating. This hard coating resists mechanical friction, particle abrasion, and chemical corrosion, ideal for high-frequency reciprocating motion scenarios.
Precision
The product maintains dimensional accuracy within ±0.01mm and roundness error below 0.005mm. Using precision grinding and closed-loop feedback machining, the rod achieves ISO 2768-m straightness. This precision allows direct integration into high-end CNC machines and semiconductor equipment, reducing setup time by over 30%.
Corrosion Resistance
Unlike single-layer chrome plating, the High Precision Chrome Plated Rod employs a triple-layer copper-nickel-chrome structure. The copper layer provides cathodic protection, the nickel layer prevents base metal oxidation, and the hard chrome layer acts as a physical barrier. This design ensures stable performance for over 10 years in humid and corrosive environments like marine engineering and food processing.
Load Capacity
Optimized heat treatment of 45# steel increases tensile strength to 850MPa, 25% higher than ordinary carbon steel rods. Combined with surface compressive stress technology, the rod achieves a longitudinal load capacity of 120kN/m. Under high-impact loads in stamping machinery, deformation remains below 0.02mm/m, preventing equipment misalignment.
Maintenance Cost
The unique microporous chrome layer maintains a porosity of 12-15%, storing lubricant to form a continuous lubrication film. Without external lubrication, it sustains low-friction operation for 300 hours, extending maintenance intervals from weekly to monthly and reducing annual lubricant usage by 37%.
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