Electroplating questions

Electroplating questions

This topic has 2 replies, 3 voices, and was last updated 13 July 2025 at 13:42 by noel shelley.

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13 July 2025 at 12:20 #807056
Baldric
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@baldric
I am considering copper electroplating a cast brass chimney cap, looking at the ENV aero engine (part 5) in Model engineer 2018, 2nd March, I can get an idea of what I need to do to get a reasonable thickness.

I will need to solder the cap on to the chimney, so the question comes as it if the platting will stand up to soldering or if I need to solder the chimney first and accept that parts of the chimney will get plated or that I will need to mask them off in some way?

The other options I can think of are to spin a cap, never done that before, or I could have a go at electro-forming the whole cap on some of former, as I have the cast cap already, I was thing on using that, just I don’t like the colour.

Thanks in advance.

Mark Baldry.
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13 July 2025 at 12:59 #807071
bernard towers
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@bernardtowers37738
If you spin a two piece one its quite simple especially in copper as when freshly annealed its as soft as butter.
13 July 2025 at 13:42 #807076
noel shelley
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@noelshelley55608
The cost of setting up for plating Etc Why not machine from solid or form a ring and then machine the profile. If all you want is the colour dunk the VERY clean brass casting in copper sulphate to coat it – it will soon be sooty ! Noel.
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