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All Forums Category: US Coins and Currency Forums Forum: US Modern Variety and Error Coins

Calculating The Weight Of Copper Plating On A Zinc Planchet?

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Pete2226
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 Posted 06/27/2017  10:08 am  Show Profile   Bookmark this reply Add Pete2226 to your friends list Get a Link to this Reply
Conder101 - thank you for the reference to Barrel Plating! There is a photo of Jarden Zinc's Barrel Plating Line at this link:

http://jardenzinc-com.web01.adigita...en-zinc.aspx

Your reference to significant uniformity of plating via barrel plating is explained here:


Quote:
The tumbling action is also responsible for the high degree of plating uniformity which can be achieved in the barrel. As the parts move they make and break electrical contact creating what is called a bi-polar effect whose net benefit is the evening out of the high and low areas which could pose enormous problems if the same parts were to be racked and finished.


https://www.finishing.com/library/zemo/barrel.html

Thanks again!
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