Additive ManufacturingMass ProductionMetals

GE Additive Avio Aero to install several new Spectra H metal 3D printers

Targets production of up to 60 thousand turbine blades yearly by 2023

First 3D printing was for single parts, then it became for short batches of 10, 100, 500 and thousands of parts. With the arrival of HP and planar technologies, we’ve started to refer to as short batches production runs of several thousand and even a million pieces. Now GE Additive is using its pioneering Avio Aero plant in Cameri to go into some serious part production capabilities using mainly EBM technology and the new Spectra H systems.

Cameri gets bigger

The next generation of additive machines are already installed at the factory of the future in Cameri, to 3D print turbine blades for the new GE9X engine and to continue expansion.

David Joyce, Vice Chairman of GE and President and CEO of GE Aviation recently stated that “Additive manufacturing is the Netflix of manufacturing”. And it might have been the Avio Aero plant in Cameri,  that inspired his choice of words. That is because, Cameri has been making a name for itself recently, following an expansion plan that has increased its production capacity like never before.

The plan has been accompanied – in lockstep – by Arcam EBM, a division of  GE Additive whose electron beam machines having been manufacturing airplane engine parts at the Novara plant since it was established in 2013.  A few weeks ago the production area was increased by 600 sqm, and the plant currently hosts some 35 Arcam machines.

GE Additive Avio Aero Spectra H

Of these, there are  31  Arcam A2X machines. The other 4 machines are the new Arcam EBM Spectra H. There will be at least another 16 Spectra H machines and in the short run before the Cameri plant is expected to undergo another major expansion run. Eventually, the entire machine fleet will be replaced by the new models.

Targeting 60,000 parts

The A2X machines heat and melt layer by layer metal powder together, producing TiAl (titanium aluminum) blades for assembly on the low-pressure turbine of the new large GE9X engine, which flew for the first time one year ago. Everything starts with the technical drawing of the blades, and once it is sent to the A2X machine, it produces 6 blades per batch in about three days. Arcam’s new Spectra H machine can produce up to 10, in around the same time.

“Thanks to the expansion and these new machines, with greater mechanical and electronic stability, we will definitely be able to produce a larger number of blades”

 

Additively manufactured TiAl blades are half the weight of traditional nickel alloy turbine blades. For the GE9X engine, this means a fuel consumption reduction of 10% (and therefore emissions), compared to its predecessor, the GE90. The GE9X, which boasts about 200 kg less weight, is expected to enter service in 2020. And, it is estimated that about 60 thousand blades will be produced between 2022 and 2023. The new parts will have greater mechanical and electronic stability, integrating new geometries.

Arcam has followed the evolution and growth of the technology and capacity of the Novara plant since the very beginning.  In 2011 there were only six machines in Cameri. Today there are more than 30 machines there and that the number of Spectra H machines will increase. There is no doubt that we are truly witnessing a momentous paradigm shift. Indeed, from the beginning of April this year, and for the very first time since its opening, continuous production cycles will begin in Cameri.

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Davide Sher

Since 2002, Davide has built up extensive experience as both a technology journalist and communications consultant. Born in Milan, Italy, he spent 12 years in the United States, where he received his undergraduate degree from SUNY Stony Brook. He is a senior analyst for US-based firm SmarTech Publishing focusing on the additive manufacturing industry. He founded London-based 3D Printing Business Media Ltd. (now 3dpbm) which specializes in marketing, editorial and market analysys&consultancy services for the additive manufacturing industry. 3dpbm publishes 3D Printing Business Directory, the largest global directory of companies related to 3DP, as well as several editorial websites, including 3D Printing Media Network and Replicatore.

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