| 摘要 |
A process of manufacturing a wheel hub comprises coating a blank made of aluminum alloy on a surface of the blank, removing a portion of the blank for exposing the aluminum alloy of the blank to be electroplated, polishing the exposed portion of the blank, removing wax and oil stains from the surface of the blank, sequentially electroplating nickel and copper on the exposed portion of the blank, polishing the copper layer on the exposed portion of the blank, removing wax and oil stains from the surface of the blank, sequentially electroplating a plurality of nickel layers having different concentrations of sulfur on the copper layer, and electroplating chrome on the nickel layers for producing the wheel hub.
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