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Exploring the: Plant Management Zone
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- Where did the Brass Go?
- We are new to the process of plating zinc diecasts. The few samples we have prepared so far look great after plating, but after top coating and baking, the brass seems to disappear. What are we doing wrong?
Ask an Expert Published: 5/1/2011
- 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