On Sat, 12 Sep 2015 11:52:18 -0500 Mountain Man via Mercedes <mercedes@okiebenz.com> wrote:
> Jim wrote: > > 90% of such a proposal would be a materials problem. > > GE made the news this year - 3D printed turbine engine. > What's that all about? > mao http://3dprintingindustry.com/2014/11/11/ge-test-fires-mini-3d-printed-jet-engine/ Bartosik explains that, with the technology, not only could he create complex geometries unattainable with other manufacturing techniques, but that they were able to produce the parts for the engine with high-temperature, high-strength alloys that they wouldn’t have been able to create parts with otherwise. After post-processing the printed parts with machining tools, Bartosik’s team tested the RC engine in a test cell at GE Aviation, getting it to run up to speeds of 33,000 RPMs. http://engineertomorrow.com/watch-ges-3d-printed-mini-jet-engine-reach-speeds-up-to-33000-rpm/ Watch GE’s 3D-printed mini jet engine reach speeds up to 33,000 RPM http://3dprint.com/11266/3d-printed-lpt-ge9x-777x/ GE Considers 3D Printing Turbine Blades for Next Generation Boeing 777X’s GE9X Engines If and when GE begins additively manufacturing these LPT [low pressure turbine] blades, they will likely be produced from a titanium aluminide powder, a strong, light-weight material which is traditionally very difficult to work with. From an additive manufacturing perspective, however, it is much easier to produce parts with then with casting. While most major manufacturers are not close to being ready to begin producing incredibly important parts for products which must work perfectly, like that of an aircraft engine, General Electric has been doing so for years. http://www.forbes.com/sites/timworstall/2013/12/02/both-ge-and-rolls-royce-are-to-use-3d-printing-to-make-jet-engines-by-violating-enginererings-prime-commandment/ Both GE and Rolls Royce Are To Use 3D Printing To Make Jet Engines And Violate Engineering's Prime Commandment There is an old and important saying in engineering: fast, better, cheaper. The point being that you can only ever have two out of the three. But in this pair of tales about how both GE and Rolls Royce are to be using 3D printing in order to produce their respective jet engines we’ve an interesting violation of that basic engineering commandment. http://www.cnet.com/news/ge-releases-instructions-for-3d-printable-jet-engine/ GE releases instructions for 3D-printable jet engine If you head over to Thingiverse, you can get instructions for a hand-cranked, 3D-printable jet engine, courtesy of GE. If you've ever felt your life didn't have enough jet engines in it, now there's a way you can get one of your very own; just don't expect it to actually power anything. The engine in question is actually a 3D-printed model, designed by GE. Although its parts move in the same way as a real jet engine, it's scaled down, simplified, made of 3D printer material, and powered not by combustion but by a hand crank. http://3dprintingindustry.com/2014/08/11/3d-printing-ge-jet-engine/ 3D Printed, Mass Produced Parts To Give GE’s New Jet Engines an Extra Boost This video show exactly what GE’s has in mind for 3D printing: _______________________________________ http://www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
