The cost of the Mori Seiki additive system that was in the video you are referring to depends on which Mori CNC machine the laser additive system gets attached to. I don't think they have any plans for a retrofit device. They have told me they are working on a program to get these systems into universities "at cost". Based on the "at cost" price they mentioned to me, I'd guess that the dealer price would be perhaps $750K.
I would love to have one of those systems, but I'd also like to have a more conventional metal powder bed type machine, which I believe can make a more accurate part when you aren't (or can't) machine it to finish size (which the Mori machine does). You might be able to make some intricate parts on the Mori by alternating buildup and machining many times, but I think there are still several useful classes of parts you couldn't make that way but could with the older SLS type processes. I got to see some truly amazing parts that SpaceX has made on their direct metal sintering system (which they use to make production rocket motors). The Mori machine is the perfect addition to their lineup, but not the answer to every metal printing need. -- Ralph ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ I bet they are still researching that kind of technology. The market for an effective and accurate 3D steel/titanum/aluminum printer would be huge. That link to the laser additive/milling machine was impressive. I wonder how close to a million $ that machine costs. Dave On 8/5/2014 4:39 PM, Stuart Stevenson wrote: > Boeing St Louis was 3D printing titanium with auto feed tig over 10 years > ago (experimentally). I don't believe they achieved acceptable results for > production parts. With their budget I would think they would have as good a > chance as anyone to succeed. Not trying to be a wet blanket but-----. > On Aug 5, 2014 1:55 PM, "Bas de Bruijn" <[email protected]> wrote: > >> On 01 Aug 2014, at 13:21, andy pugh <[email protected]> wrote: >> >>> On 1 August 2014 10:35, Roland Jollivet <[email protected]> >> wrote: >>>> http://www.wired.co.uk/magazine/archive/2014/08/play/steel-sketch >>> I can't help feeling that there must be reasons that the world isn't >>> full of CNC MIG welders. It's a moderately obvious idea. Certainly my >>> friends and I were discussing the possibility 10 years ago for making >>> replacement parts for veteran vehicles. >>> I seem to recall hearing that distortion and internal stresses are a >>> big problem. (as is releasing the part from the base plate). >> I second that, >> normally one would make a part on a big slab of steel. Afterwards the part >> needs to be removed by wire-edm and annealing (before/after i don’t know). >> Welding is a profession and just welding at locations like 3D printing has >> too many pitfalls IMO. >> >> The link above is from a duch designer, and although it is a nice testing >> if something like this works I don’t think that welding is something you’d >> get to make tolerances, just because of the stresses, warp etc. Haven’t >> seen a industrial 3D metal printer who works with welding. >> >> This is some >> https://www.youtube.com/watch?feature=player_embedded&v=s9IdZ2pI5dA >> >> Bas >> >>> The distortion issue can possibly be addressed by modifying the >>> original model to compensate, and internal stresses by a >>> post-manufacturing heat treatment. >>> >>> -- >>> atp >>> If you can't fix it, you don't own it. >>> http://www.ifixit.com/Manifesto >>> >>> >> ------------------------------------------------------------------------------ >>> Want fast and easy access to all the code in your enterprise? 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