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14-Jan-2014

Hypermodern factory of the future

Additive manufacturing meets the main challenges of the aeronautics industry such as weight reduction and a reduction in the production times of components using increasingly innovative and robust metal alloys.

Avio Aero, a GE Aviation business working on the design, production and maintenance of components and systems for the aeronautics industry, launches in Cameri (Novara) one of the largest plants in the world designed specifically for additive manufacturing. This technology, more commonly known as 3D printing, starts from a digital model and enables any shape of solid object to be produced through a combination of special metal alloys.

Its special characteristics mean that additive manufacturing meets in full the main challenges of the aeronautics industry of the future such as weight reduction – with the aim of achieving less fuel consumption and lower emission levels - and a reduction in the production times of components using increasingly innovative and robust metal alloys. For example, producing an injector for an aviation engine combustor with conventional technology involves welding components produced separately starting with microcasts, whilst additive technology produces it directly in one piece.

With its 2,400 sqm the Cameri plant will be able to accommodate up to 60 machines for producing components using additive manufacturing. The premises also allow two atomisers to be installed for the direct production of special metal alloy powders such as Titanium Aluminide – TiAl – and two installations for component heat treatment.

ADDITIVE MANUFACTURING TECHNOLOGIES IN AVIO AERO

EBM (Electron Beam Melting):

  • This technology uses an electron beam in the powder melt process.
  • TiAl alloy metallic powders are used, intermetallic materials formed primarily from titanium and aluminium. Using TiAl allows component weight to be reduced by 50% compared with other metal alloys.

DMLS (Direct Metal Laser Sintering):

  • Consists of using a laser beam to melt metallic powders.
  • Is used with many metallic powders that are already available.
  • It is the most widespread “powder bed” technology in the world.

In both cases, the 3D model of the component to be produced is created and transferred to the machine. This spreads thin layers of metallic powders and then melts them and builds them up layer by layer, creating the product by “Additive Manufacturing”.

THE ADVANTAGES OF ADDITIVE MANUFACTURING

  • “Green” technology: there are no emissions.
  • More homogeneous products with greater metallurgical uniformity.
  • More robust and lighter products.Products produced quickly, with less material and energy wastage.

To find out more, see the video on Avio Aero’s YouTube channel http://youtu.be/MDol1oE-YSs

More information:
Avio Aero
avioaero.com

 
 
 
 
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