Acquisitions & PartnershipsAM IndustryIndustrial Additive Manufacturing

NextGenAM facility begins AM production at new plant in Varel, Germany

EOS, Premium AEROTEC and Daimler are taking major steps into industrial 3D printing

Regardless of the enormous challenges it still needs to overcome, and the investments it will still require, the next generation of additive manufacturing technologies for automated, optimized, high scale production is coming. Within this scenario, the first NextGenAM facility in this collaborative project has been put into operation at Premium AEROTEC’s technology center in Varel. Aerostructures supplier Premium AEROTEC, automotive manufacturer Daimler, and 3D printing system manufacturer EOS have joined forces to fundamentally develop the next generation of additive manufacturing. The goal of the project is to develop a complete production cell capable of manufacturing aluminum components for the automotive and aerospace industries.

“In this project we have already succeeded in significantly reducing the production cost per part, thus creating an economic perspective for large-scale digital 3D printing factories.”Dr. Thomas Ehm, CEO, Premium AEROTEC.

The purpose-built pilot facility currently consists of various machines for additive manufacturing, post-processing, and quality assurance. The innovation about the production chain is that the individual steps and the interaction of all additive and conventional process steps are fully automated and integrated, and manual steps have been eliminated. As a result, complex, lightweight and at the same time robust components can be manufactured and the high level of automation forms the basis for profitable production going forward.

nextgenam facility
The built-up pilot plant of the NextGenAM project for automated additive manufacturing in detail, from left to right: band saw, Kuka robot, background: three-dimensional optical measurement system , setup station, unpacking station, forefront: automated guided vehicle (AGV), EOS M 400-4, not pictured: IPM M Powder Station L from EOS (Source: EOS).

Inside the NextGenAM facility

Center of the pilot production chain is the EOS M 400-4 four-laser system for industrial 3D printing with metal materials. The system is used in combination with the peripheral solutions of the EOS Shared-Modules concept. The EOS M 400-4 in Varel is therefore equipped with a powder station and connected to a stand-alone setup and unpacking station. As a result, filling and emptying the system with the aluminum material, setting up the system to prepare a new build job, and unpacking the built components from the powder bed can be carried out independently of and parallel to the actual AM build process. This significantly increases productivity. The additively manufactured components are transported between the individual stations fully automated and under protective gas in a container on an automated guided vehicle.

NextGenAm Facility
Center of the pilot production chain is the EOS M 400-4 four-laser system for industrial 3D printing with metal materials.

The downstream post-processing has also been extensively automated: A robot takes the build platform with the parts from the setup station and places it in a furnace for subsequent heat treatment. The same robot then removes the platform again and takes it to a three-dimensional optical measurement system for quality assurance purposes. Finally, the build platform is conveyed to a saw, which separates the parts from the platform, making the components ready for further use.

“The integration of the AM process in an automated production line is an important milestone for the broad application of our technology in series production scenarios.”Dr. Tobias Abeln, Chief Technical Officer (CTO), EOS

The successful development of the automated process chain is the result of fruitful cooperation between all the project partners, each contributing their various skills and experience: EOS is the global technology and quality leader for high-end solutions in the field of industrial 3D printing. Premium AEROTEC was the first manufacturer in the world to supply serial 3D-printed structural components for Airbus aircraft. Up to now, titanium powder has been used as material for this. However, one of the aims of the NextGenAM facility is also to qualify aluminum for use. The automotive manufacturer Daimler contributes its experience in the field of mass production – an essential aspect if the pilot plant is to be used to manufacture parts on a large scale.

NextGenAM facility
The IPM M Powder Station L feeds the EOS M 400-4 with powder material before and during building cycles and thus ensures sufficient powder at all times (Source: EOS).

“3D printing is well on the way to establishing itself in the automotive sector as an additional manufacturing method with great versatility,” said Jasmin Eichler, Head of Research Future Technologies at Daimler AG. “With this collaborative pre-development project, we are taking a significant step towards achieving cost-effectiveness in metal 3D printing throughout the process chain. The project lays the cornerstone for the future realization of larger quantities in the automotive series production process – with the same reliability, functionality, longevity, and economy as for components from conventional production.”

In the coming months, the pilot process chain will be further tested at the technology center in Varel and parts of the facility will be audited. In addition, production data will be collected and analyzed with the aim of collating precise data on process times, profitability, and cost optimization. The NextGenAM facility is, therefore,e moving continuously closer to its goal of producing highly complex aluminum components in series production in a particularly economical additive manufacturing process.

NextGenAM facility robotic part handling
A robot removes the additively manufactured parts which are still on the build platform (Source: EOS).
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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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