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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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Hilsch Tubes Revisited
Ok... I'm still mulling over the possibility of a Hilsch tube on one of my
machines as the coolant and to blow chips away from the cutter. I see many commercial ones are made out of stainless, but that just isn't in my plans if I make one. Stainless is beyond my easy working level. I have some large aluminum bar stock laying around, (left over from another project) and I was thinking I could turn one out of it. My quandry is in this. I only ran across a few mentions of heat sinking in regards to Hilsch tubes. One article said to heat sink the whole thing. I think they just meant the whole heat separator/exchangers side of it. It would be counter intuitive to heat sink the cold air outlet tube. I would think you would want to insulate that. The thing is the physics of it is beyond me. I get the basics of both principle said to be at work. It's the details. I could easily turn heat sink fins on the outside. I just wonder if that will provide a lower ouput temperature, or if somehow it might reduce the efficiency of the design somehow? |
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