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Satair provides metal 3D printed flying spare part for A320ceo wingtip

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Satair, an Airbus services company, has provided one of its airline customers in the US with what is believed to be the first certified metal printed flying spare part. This A320ceo wingtip specific part is no longer procurable from the original supplier, thus leading to an alternate solution developed by Satair. The tailored additive manufactured solution reduces the likelihood of an AOG for this specific aircraft, and on a larger level leads to increased flexibility in part production while meeting the same high-quality standards ensured by EASA Form1 certification.

The A320ceo wingtip fences are installed in four different versions – starboard, port, upper and lower. These parts are A320ceo specific and no longer in production. The spare parts supplier had difficulties providing the cast part. This led to a regular loss of the molds, resulting in a potentially high investment cost for Satair to replace the molds for individual orders. Satair also studied other conventional options such as re-designing the part for machining technology, but the resulting cost and lead-time implications were not competitive.

Felix Hammerschmidt, HO Additive Manufacturing Satair, explained: “We received an order for replacement parts and our AOG procurement department turned to the Additive Manufacturing (AM) team for a solution. After a short pre-assessment, the part was handed over to the RapidSpares design offices at Airbus. Using a new certification process they were able to re-certify the former cast part within five weeks and adapt it to titanium, which is a qualified airworthy additive manufacturing material”. He added: “The lead time for certification is expected to reduce even further in the future once the technology becomes more of a standard.”

The printing of the wingtip fence parts was carried out at the Reference Manufacturing shop in Airbus Filton, which was process qualified in 2019 and is now able to produce airworthy parts regularly. Four parts (full shipset for one aircraft) are printed simultaneously in a build job, which takes 26 hours, to reduce the cost per piece and the printing time per part.

After printing, the part requires different post-processing steps to become an airworthy part, making it a one-to-one replacement for the original part whilst meeting the same safety requirements as the conventional part. The new AM part is supplied with an EASA Form 1 certification approval.

The shipset was delivered earlier this year – making the airline the first operator with an Airbus metal printed AM spare part. Compared to conventional solutions, total non-recurring costs were reduced by 45% making it a cheaper solution for customers and with a shorter lead-time.

Bart Reijnen, CEO of Satair, added: “Satair is leading the way in providing additive manufactured parts for the aviation aftermarket and we currently have more than 300 part numbers certified for the technology covering every Airbus aircraft family type including tools and Ground Support Equipment. With more than 7,000 A320ceo Family aircraft in service worldwide, the demand for this specific additive manufactured part is likely to increase and with this Additive Manufacturing supply chain now in place, we will be able to produce these parts within a shorter lead-time. Four more customers have already requested that same part following this successful delivery.“

He added: “We have already identified more titanium parts for which Additive Manufacturing could as well become a more economical way of production, with higher flexibility and shorter lead times.”

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Davide Sher

Since 2002, Davide has built up extensive experience as a technology journalist, market analyst and consultant for the additive manufacturing industry. Born in Milan, Italy, he spent 12 years in the United States, where he completed his studies at SUNY USB. As a journalist covering the tech and videogame industry for over 10 years, he began covering the AM industry in 2013, first as an international journalist and subsequently as a market analyst, focusing on the additive manufacturing industry and relative vertical markets. In 2016 he co-founded London-based 3dpbm. Today the company publishes the leading news and insights websites 3D Printing Media Network and Replicatore, as well as 3D Printing Business Directory, the largest global directory of companies in the additive manufacturing industry.

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