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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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Using a welder for electroplating
Ignoramus15120 wrote:
Is it possible to use a constant current DC welding machine for electroplating or derusting? I've heard of guys using MIG machines (CV) to do electrolytic derusting. In that process, the variables you have are strength of solution (i.e. 1/4 cup washing soda or the whole box?) also distance to the electrodes and to some extent electrode topology. In my most-used setup, I use a square 5-gallon bucket that once contained laundry detergent (itself mostly cut with washing soda) and two railroad track ties with 10 ga. wires soldered to the track ties. The track ties lean in the bucket against the sides, leaving a nice volume for workpieces, which I suspend via a wire/clamp through a stick over the top of the bucket. The problem with this setup is that it's a real hassle when your current isn't enough, or is too much. All I can do with a buzzbox car battery charger is toggle 6V/12V. With a MIG welder, however, I can crank the voltage wherever it needs to be to get the desired level of bubbling, and after the electrodes "load up" I can crank it up a little more to overcome the resistance. That's a MIG welder, though. A CC source would be really great as long as you can really control the current. Most of the time I'm shooting for 3-15 amps (I'm sure what you really want is some value of amps per unit workpiece area, don't know what that is) and if you can hit that easily and controllably with a CC welder, why sure it will work. I don't see you have much to lose. I suggest you give it a try and report back. GWE |
#2
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Using a welder for electroplating
replying to Grant Erwin, S G wrote:
carbon crucible blocks work better, no sludge -- for full context, visit https://www.polytechforum.com/metalw...ng-453044-.htm |
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