Product Description
A Hard Chrome Plated Piston Shaft Rod is a component used in various hydraulic and mechanical systems. Designed for use within hydraulic cylinders, it enables motion and force transmission while withstanding harsh working conditions. Constructed from high-strength steel and plated with a layer of hard chrome, it resists wear and corrosion. The hard chrome coating also provides a smooth surface, reducing friction and enhancing the performance and service life of the hydraulic cylinder. These piston shafts are engineered to endure high pressure and extreme conditions, serving as durable and reliable components in hydraulic systems. They are widely used in hydraulic and pneumatic systems, as well as other industrial equipment requiring high wear and corrosion resistance.
Manufacturing Process
1. Raw Material Cutting: Hydraulic shearing ensures flat end faces.
2. CNC Finishing: Multi-process machining including turning, broaching, and milling.
3. Heat Treatment: Induction hardening (high frequency, different power) or tempering.
4. Straightening: Rotary straightener ensures straightness.
5. Precision Grinding: CNC servo grinder ensures dimensional accuracy.
6. Hard Chrome Plating: Utilizing advanced plating technology for a uniform and dense coating.
7. Hydrogen Removal Treatment: Prevents hydrogen embrittlement and improves toughness.
8. Polishing: Wet polishing + ultra-fine polishing, 100% surface quality inspection.
9. Packaging and Shipping: Rust-preventive oil + carton + pallet export packaging.
Advantages
1. Superior Wear Resistance: The high-hardness chrome coating significantly extends the rod's service life by resisting wear.
2. Exceptional Corrosion Resistance: The chromium coating prevents corrosion damage to metal components, prolonging their lifespan.
3. High Surface Smoothness: The rod's smooth chrome-plated surface reduces frictional resistance, improving operational efficiency.
4. Excellent Thermal Conductivity: The chrome coating efficiently dissipates heat, lowering component temperatures and enhancing durability.
5. Precision Engineering: Manufactured to high tolerances, the rod ensures stable and accurate operation.
6. Lightweight Strength: The chrome coating adds minimal weight while enhancing the rod's power-to-weight ratio and load-bearing capacity.
Applications
1. Hydraulic Cylinders: Excavators, presses, injection molding machines.
2. Pneumatic Systems: High-speed automation, robotics.
3. Marine/Offshore: Saltwater-resistant rods for winches and actuators.
4. Aerospace: Landing gear, flight control systems (titanium variants).
5. Automotive: Shock absorbers, suspension components.
FAQ
1. What is the main material of a hard chrome-plated piston rod?
Mainly CK45 grade carbon structural steel.
2. What is the thickness of the chrome layer?
Standard 20-30 microns, customizable up to 50 microns.
3. What is the difference between induction hardening and conventional tempering?
Induction hardening only hardens the surface (HRC58-62), while maintaining the core's toughness; tempering is an overall heat treatment, improving comprehensive performance.
4. Applicable temperature range?
The chrome layer can withstand approximately 400℃; performance will decrease above this temperature.
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