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Nickel in a Barrel
Our company does a lot of bright nickel plating. One area that we have problems with is the barrel nickel plating of parts that have somewhat complex geometries. For example, the nickel plating on the inside of some parts becomes dark after drying.
Ask an Expert Published: 5/1/2011
Stripping Silver From Copper and Copper Alloys
How does one go about stripping silver plate from copper and copper alloys?
Ask an Expert Published: 5/1/2011
Shadow Plating
On some of our parts, we see what appears to be a “shadow.” What causes this and how can we prevent this from happening?
Ask an Expert Published: 3/31/2011
Where's the Copper Coming From?
We use a cyanide copper strike bath in a couple of our plating processes. Over time the copper concentration increases in the bath. Why?
Ask an Expert Published: 1/11/2011
Dull Zinc Plating
We zinc plate many batches of parts each day. Some of these batches come out dull after the plating and chemical conversion steps. Could this be caused by the base material?
Ask an Expert Published: 1/11/2011
Filtration Basics
I need some basic information on filtration in the plating shop. My major concern is sulfate copper and Watts nickel.
Ask an Expert Published: 1/11/2011
Magnetic Moments
The plating shop says the parts are magnetic when they receive them and the machining operation says they are not magnetic when shipped to the plater.
Ask an Expert Published: 1/11/2011
Reminder: Blame the Weather
This summer we had a number of days when our plating processes did not seem to work properly. Some days our production would go well with no problems, and other days we were tearing our hair out trying to resolve such things as water spots and other...
Ask an Expert Published: 1/11/2011
Failure of Zinc Plating
Our company produces steel components that are welded and sent out to a plating vendor for zinc plating and a trivalent chromium chemical conversion coating. On some of these parts, the zinc plate deteriorates after short periods of storage. Corrosi...
Ask an Expert Published: 1/11/2011
Magnetic Moments Revisited
The plating shop says the parts are magnetic when they receive them and the machining operation says they are not magnetic when shipped to the plater. Do you have any words of wisdom as to how we might be able to resolve this problem?
Ask an Expert Published: 1/10/2011

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