Electrolytic Rust Removal Leaves Your Parts Shiny As New

Electrolytic Rust Removal

If you’re tired of removing rust by hand, you’d be surprised how easy it is to build your very own electrolytic rust removal system!

[James Taylor] is in the process of restoring a very old lathe. Most parts were small enough to simply remove the rust, paint, and grease via chemical stripping and bead blasting, but he ran into a problem with the 40kg lathe bed. It’s painted and if he chemically strips it, he needs to rinse it — which might result in even more flash rusting.

He looked up electrolytic rust removal, and was a bit suspicious of how simple and effective it claimed to be, but he decided to give it a shot anyway. He picked up a big 160L rain barrel, 6 pieces of rebar, some copper wire, and a computer power supply.

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