What kind of plating is good for military circular electrical connectors?

I. What kind of plating method is good for military round electrical connectors? In the current electrical connector plating industry, the most used is DC power supply. Why? Aviation plug in order to make the hole plating layer thickness to meet the drawing requirements, if the traditional DC power supply, the hole outside the thickness of the plating layer will be thicker than the hole, especially in the contact body of many small hole parts, hole, outside the thickness of the plating layer is more obvious difference. And the use of periodic commutation pulse power supply, in the process of electroplating, when applying forward current, gold as the cathode of the plating surface deposition, plating of the raised parts for the high current density area, the plating layer deposition faster; when applying the reverse current, the surface of the plating of marine corrosion-resistant connectors plating occurs to dissolve the plating layer, the original high current density area of the dissolution of the faster, you can remove more plating layer in the parts of the raised parts, so that the plating layer Thickness uniformity. The use of periodic commutation pulse power to try, not only can improve the marine corrosion-resistant electrical connector plating layer in the contact body holes, the distribution of the outer surface, and at the same time on the plating of the plating of the whole tank plating of the uniformity of the plating is also a good improvement.

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