Summary for silver plating on copper Discussion
Silver coating/plating on copper depends heavily on the part size, the required thickness, and the purpose of the finish. In response to Anil Kanwade’s request for information on machinery and procedures, the answerer explains that plating large copper sheets is very different from plating small items like pinheads, and that thin immersion coatings require different equipment than heavy engineering deposits. The advice also notes that a cyanide-free silver formulation may be suitable for electronic applications, but decorative silver plating may need a cyanide bath to achieve the proper color. Rather than giving a one-size-fits-all process, the answerer asks for more detail about the parts and the reason for silver plating so more specific guidance can be offered.
Q. Dear Sir /Madam ,
Could I get information or manufacturing machinery or manufacturing procedure for silver coating or plating on copper?
Anil Kanwade
SU-Vila – Ahmednagar
2005
A. Hello Anil. I hate to be unhelpful or to answer a question with another question, but plating silver onto large sheets would require completely different equipment and methods than plating onto pinheads. And applying a thin immersion coat would require completely different equipment and methods than applying heavy engineering coatings. Finally, you may be able to use a cyanide-free formulation for electronic use, whereas you probably can’t get the right color for decorative silver plating except from a cyanide bath.
If you can describe what kind of parts you want to silver plate and why, I’m confident that we can help you. Thanks!
Ted Mooney, P.E.
Striving to live Aloha
finishing.com – Pine Beach, New Jersey
Need quick confidential answers? $25
Need project assistance? $100/hr.
2005
A. Hi Anil,
You can try for CrN hard coating on copper. CrN (chromium nitride) is a silver color coating, if your application is for some decorative material or tool. In Pune there are companies which provide coating service.
I also agree with Ted! First please be specific what this copper material is, and size also?
Regards,
Kundan Javheri
Research – Pune, Maharashtra, INDIA
2005
adv.
