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GE Additive has developed the world’s largest laser-powered 3D printer which can print parts from metal powder.

The first demonstrator version of the printer called ATLAS, can 3D print objects up to 1 meter long inside a cube with 1-meter sides in at least two directions from titanium, aluminum and other metals.

“The machine will 3D print aviation parts suitable for making jet engine structural components and parts for single-aisle aircraft,” said Mohammad Ehteshami, vice president and general manager of GE Additive. “It will also be applicable for manufacturers in the automotive, power, and oil and gas industries.”

Known for fusing together fine layers of powdered metal with a laser beam, additive machines print 3D objects directly from a computer file. With limitations on the final shape boundless, the method gives engineers new freedoms and eliminates the need for factories filled with specialized machines or expensive tooling. 

GE plans to unveil a production-ready machine in November at the Formnext Show in Frankfurt, Germany.

GE Aviation is already printing fuel nozzles for the LEAP family of jet engines that power next-generation Airbus, Boeing and COMAC single-aisle jets. Airbus and Boeing brought two of the planes to the Paris Air Show this week.

The company is also developing the Advanced Turboprop, the first commercial aircraft engine in history with a large portion of components made by additive manufacturing methods, which include 3D printing. The designers reduced 855 separate parts down to just 12. As a result, more than a third of the engine is 3D-printed.

Another plane flying in Paris is an Airbus A350 XWB, which has wing brackets made on a 3D printer designed by the German company Concept Laser. Last year, GE acquired a majority stake in Concept Laser and the company is now part of GE Additive.

Concept Laser currently makes the largest metal power printer and its engineers will work on the new machine together with GE experts. The production version, still to be named, will extend the third dimension to a meter.

GE Additive said the machine’s “build geometry will be customizable and scalable for an individual customer’s project. Its feature resolution and build-rate speeds will equal or better today’s additive machines.”

Image credits, video and content: GE Reports/GE Additive

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