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Plating worn trumpet valves

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  • Plating worn trumpet valves

    I need to build up the diameter of a set of worn trumpet valves (approx 2-3 thousandths of an inch. The valves appear to be nickle plated. Should I strip the existing plating with nitric acid, build up with copper plating, and finish with nickle, or can I just over-plate with nickle?

    Also recommendations on temp/voltage and amperage. I would plate in a 1000ml beaker with titanium anode.

    Nikhil

  • #2
    You'd be better off building with copper plate. It's faster to appy and easier to polish to a high shine. You can plate copper over nickel.

    Why not use a copper anode? It will speed up application.
    --
    Mike Caswell
    Caswell Inc
    http://www.caswellplating.com
    Need Support? Visit our online support section at http://support.caswellplating.com

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    • #3
      I know it's more than ten years later, but did you ever figure out the plating of trumpet valves? I'm trying it too. .003 is a lot of build up for a valve though

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