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Mar 6, 2020 at 15:57 comment added Urquiola I guess there is a lot of evidence Metal 3D printed parts have same or higher quality than former cast and machined parts, so say airplane builders, who are implementing this method. About Aviation Authority Certification for parts, well, the decals to put on wings, indicating: 'No Step' were considered 'critical parts', to be purchased from airplane builder at prices over $100. Everybody had this warning hand painted. The part that fell down from a previous airliner on same takeoff strip, cause of Concorde destruction, was a 'non certified' pirate part!
Mar 6, 2020 at 8:48 comment added AEhere supports Monica @Urquiola "Perhaps not needed, if the spread of 3D Metal Printing, Additive Metal Manufacturing, Powder Metallurgy, allows airplane owners to produce the spare parts they need"* This is not correct, at least not for safety-critical parts. These parts are qualified including their manufacture method, so replacing e.g. a cast aluminium part with a sintered or 3D printed one without the designer's approval would render the airframe not airworthy.
Mar 18, 2019 at 13:20 review Low quality posts
Mar 18, 2019 at 14:53
Mar 8, 2019 at 1:00 comment added AirCraft Lover Very interesting. If a manufacture fabricate a component of a such as expensive airplane, there should be FAA and other authority's certificate, too, right? As in my understanding, certification is a long process, and very not easy. Would be another manufacturer allowed to provide the component without certification?
Mar 7, 2019 at 21:55 comment added Urquiola Perhaps not needed, if the spread of 3D Metal Printing, Additive Metal Manufacturing, Powder Metallurgy, allows airplane owners to produce the spare parts they need, this will ease problems for those having purchased a monster airplane, that turned 90º another plane on airport, with the wingtip, and sent to wreckage a business jet entering A-380 wingtip vortex. The Convair XC-99 case, rejected by airlines because of the load a sudden huge number of passengers would have imposed on airport facilities sounds similar. Salut +.
Feb 19, 2019 at 23:47 comment added AirCraft Lover A380 is a-hundreds million dollar price. So, there should be any guaranty from Airbus that they will provide the sparepart for the buyer. Otherwise, when the production is ceased, how the buyer will replace their faulty component?
Feb 19, 2019 at 21:33 history answered Urquiola CC BY-SA 4.0