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For those who know fasteners, machinists, and doers, A question.
MilkyWilky:
--- Quote from: alaskun on December 19, 2014, 03:00:09 AM ---
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I'm in Vancouver so it is likely, I guess I should mention the scale, it's about 16" in diameter at the base, and 32" in height. I think to 3D print suck a thing it'd be quite expensive and honestly the finish of the 3D printed metals I've seen so far, it looks a bit hopeless.
The two options are to cut sections of bar stock with the right measurements and roll them into a ring, finish with a weld. What I was thinking, to cut two wedge blocks, and from each cut a set of concentric rings at 70* angle. pop them out, stagger and stack them. A waterjet has the added bonus of pretty clean cuts with minimal finish. Also could cut the green top pieces from the material at the center.
MilkyWilky:
--- Quote from: Dr. Steve Brule on December 19, 2014, 03:09:57 AM ---Looks like a building out of Mass Effect.
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Also, I've never played Mass Effect, but it was supposed to be somewhat futuristic, citylike, but the area is a 'city of glass' and O guess they want MORE highrise buildings.. From different angles it changes like a skyline blah blah blah, if it was made out of reclaimed wood as intended it would really say something interesting. Bittersweet.
tecnic1:
If I were building that at work, my first thought would be to hit up our foundry and see if they could cast it. Maybe cast it in three pieces, do the surface finish, than assemble them with a large bolt through the middle.
But since they would either tell me no, or if they said yes, I wouldn't like the price, I think I would stick with the three pieces. Either size the ID of the column large enough to get a ratcheting wrench in there, or cut access openings opposite each of the stud that would be hidden behind the plates when assembled, but are accessible before the three pieces are assembled. If you use socket cap screws, you could get away with some pretty small holes and make some little plugs to fill the holes once the plates are attached.
Then I would tell the designer who drew the thing that I would appreciate it if he considered producability before designing insanely cool looking shit. :P
tecnic1:
Also, upon further inspection, you could use those wood inlays to hide your fasteners. Cut a groove 1/8" deep or so, fasten the plates to studs brazed to the columns with flathead screws, epoxy strips of finished wood into the groove.
I think this is my final answer.
G:
Hard to say without the sense of scale, sounds pretty big, so either make four sections and bolt together down the centre (and you can do all your fastenings of the outer plates from top and bottom before bolting sections together). Or use the wood inlays to hide the heads of fasteners, you could dovetail them in there if you wanted to be fancy.
For the conical bottom, I would turn rings then machine the angle, then weld links on the inside and then glue in the wood inlays to hide the links. If you are going with the gaps then just weld the rings at the bottom where they meet.
:)
G.
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