Plating
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Introduction
Plating is a process where a conductive surface is covered with a thin layer of metal. Due to how thin it is, plating does not substantially hide or smooth surface imperfections. Plating is commonly used to prevent corrosion, increase durability, alter surface friction, and improve appearance.
YIFENG utilizes electroplating and electroless plating. The main difference between the two is that electroless plating does not require an external power source because it produces a negative charge on the surface of a part through a chemical reaction. Many metals can be used for plating, including copper, nickel, zinc, silver, and gold.
Material | Plate type | Applications | Subtypes |
Aluminum, Brass Stainless Steel, Steel | Tin, Nickel, Electroless Nickel | Electrical connections, jewelry, radiation shields | Galvanizing, nickel plating, tin plating, passivation |
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Design Recommendations
✔ Tolerances should account for plating thickness, and the part’s ability to fit into a larger assembly should be factored into all critical dimensions and tolerances.
✔ Electroplating involves the use of current. This means the overall geometry of the part will influence the current distribution across its surface, sometimes unevenly. However, there are some advanced plating processes that can prevent excessive plating buildup on bends, threads and sharp corners.
✔ Plating materials should be chosen based on the desired characteristics of the final part: corrosion resistance, strength, etc.
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