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I have welded before and I know that you need to clean each weld with a wire brush. I just can't imagine what is created is very strong. We need some pictures a
by dustinmoorenet 12y ago
I have welded before and I know that you need to clean each weld with a wire brush. I just can't imagine what is created is very strong. We need some pictures and some stress tests validating it as useful.
- chromaton 12y agoThey might be able to reduce the oxidation on each layer by enclosing the whole thing in a box filled with an inert gas. (This is the recommended technique for welding titanium, for example.) Argon is relatively cheap.
- michael_h 12y agoFlux causes slag, which necessitates cleaning with a wire brush. If you read the parts listing, you'll see that they are using a Miller 140 MIG welder, which can use an external gas source instead of flux wire.