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? Index and > > search up to 200,000 lines of code with a free copy of Black Duck > > Code Sight - the same software that powers the world's largest code > > search on Ohloh, the Black Duck Open Hub! Try it now. > > http://p.sf.net/sfu/bds > > _______________________________________________ > > Emc-users mailing list > > [email protected] > > https://lists.sourceforge.net/lists/listinfo/emc-users > > > > ------------------------------------------------------------------------------ > Infragistics Professional > Build stunning WinForms apps today! > Reboot your WinForms applications with our WinForms controls. > Build a bridge from your legacy apps to the future. > > http://pubads.g.doubleclick.net/gampad/clk?id=153845071&iu=/4140/ostg.clktrk > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users > ------------------------------------------------------------------------------ Infragistics Professional Build stunning WinForms apps today! Reboot your WinForms applications with our WinForms controls. Build a bridge from your legacy apps to the future. http://pubads.g.doubleclick.net/gampad/clk?id=153845071&iu=/4140/ostg.clktrk _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
