Which ball bearings are suitable for electroplating equipment?

Patrick Czaja | 15. June 2021

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The electroplating process places very high requirements on the materials used in electroplating equipment. Electroplating involves sending an electric current through an electrolytic bath. The metal that is to be applied as a coating (e.g. copper or nickel) is located at the anode and the object to be coated is located at the cathode. As this is an electrochemical process for which strong chemicals are also used in the galvanic bath, metal ball bearings are not suitable. When ball bearings are installed, they are usually plastic ones. Ball bearings made of technical ceramic can also be used but are considerably more expensive.

In the following, there is a short video that illustrates the chemical resistance of a polymer ball bearing compared to a metal ball bearing in a galvanic bath:

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