We don’t often pause to consider electroplating, but the fact is, today’s world would be impossible without it. Cadmium, zinc, gold, silver, platinum, titanium, and chrome are some of the metals often used in the process. Despite its ubiquitous role in manufacturing, the process and technology for metal electroplating has remained largely unchanged for the past 100 years.
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The basic electroplating process consists of taking a base part and carefully masking off any areas needing protection from the plating process, using tape and wax. Then the part is inserted into a metal-containing solution, and electricity is applied around a metallic anode. Hours or days later, the part is plated. Although safety and environmental hazards have been slightly reduced, electroplating remains:
• Time-consuming. Masking takes hours and requires the best platers in a shop.
• Inefficient. As much as 90 percent of the electrical power used to plate is wasted
• Dangerous. Plating baths can be incredibly toxic, and so can the maskant that is used.
There has to be a better way.
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