> > I don't have a downdraft table but I assume you will have to move huge > amounts of air to capture the dust from the plasma. Quite a bit of the > dust flies up from the cut point so to be efficient the table will need > to be completely enclosed to capture the dust. The amount of dust > depends on the material condition as well. It seems to me that the more > rust, crap, and dirt on the plate the more dust I see. > > I recall reading someones build blog where they immersrsed the metal roughly 50 mm or so below the water. The plasma would hold the water back during operation and the intimate water contact kept the dust to a complete minimum. I cannot recall who did that though....
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