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CARBOPRINT® – SGL Group and The ExOne Company aim to make carbon ready for the 3D printing market

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CARBOPRINT® – SGL Group and The ExOne Company aim to make carbon ready for the 3D printing market

3D printed carbon rotor as an example of the freedom of design with 3D printing
  • Optimal synergies between both partner companies
  • Initial material design study complete
  • Start of component development and production with selected customers

Wiesbaden, February 27, 2018. Beside constantly developing its current product solutions and cultivating growth markets, SGL Group is continuously working on additional future growth areas for carbon and graphite material applications. One very promising area is 3D printing of components made of carbon. 3D printing describes the building of individual layers of material into three-dimensional parts based on a digital file, without tooling or machining. SGL Group is bringing carbon and graphite components created using 3D binder jet printing technology provided by ExOne to the market under the brand name CARBOPRINT®.

Collaboration between the companies is founded in expertise from both sides: SGL Group offers extensive knowledge on the raw material and powder preparation, as well as versatile technologies for post-processing carbon components. As the leading supplier for industrial binder jetting technology, ExOne contributes its competences in 3D printing. This technology enables not only the production of small prototypes, but also efficient serial production and fast development of customer-specific solutions.

As the carbon body is initially porous after printing, SGL Group post-processing, such as polymer impregnation or silicon or metal infiltration, play a major role. These additional processes allow the adjustment of versatile material properties to the specific application. Initial material properties for carbon 3D printing along with the relevant finishing processes can be found in the SGL Group CARBOPRINT® product brochure .

After this initial material development study, it is now time to engineer components and transform the extreme degree of design freedom in 3D printing into real benefits for customers. Thanks to the basic properties of carbon, such as high chemical stability and good electrical and thermal conductivity, first trial components are being developed for testing in applications in the areas of chemical apparatus construction and environmental technology. Concrete examples include heat exchangers and components for distillation columns, as well as pump components made of siliconized 3D-printed carbon.

The new material has been presented officially to a larger application specialist audience for the first time at the Berlin Waste Management and Energy Conference in late January.


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