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Conflux Technology enters production on metal 3D printed heat exchanger

In a fascinating turn of events, the heat exchanger is used for the upgraded AMCM M 4K metal 3D printers

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Conflux Technology, a global leader in metal additive manufactured heat transfer technology, is now in serial production for AMCM, a growing manufacturer of customized metal 3D printers (based on EOS . The gas-liquid heat exchanger is central to the upgraded thermal management system in the AMCM M 4K machine.

The Conflux heat exchanger reduced argon gas temperature by several degrees Celsius throughout a build job enabling the M 4K to operate at a high efficiency with longer build times and high-speed processing, elements necessary for large build volumes of demanding materials like copper.

Conflux Technology enters production on metal 3D printed heat exchanger for the upgraded AMCM M 4K metal 3D printers
CFD model showing how pressure varies through the heat exchanger

“Bringing our heat exchanger expertise to the additive manufacturing machine tool industry has been a long-held ambition of mine and is now realized with the successful adaptation of our Conflux Core technology into AMCM’s premier platform,” said Michael Fuller, CEO of Conflux Technology. “Scaling our business throughout the broader industrial machine sector with our highly efficient heat transfer technology through compelling business cases and uncompromised quality is a key focus for our team.”

While we usually expect to read about heat exchangers being produced using 3D printers, in this case, the thermal management system is used in a 3D printer. While the production of advanced 3D printers such as those offered by AMCM can hardly be considered mass production, the company does sell multiple systems per year and demand is growing. This makes AM an ideal production method for its most intricate parts.

AMCM selected Conflux for its ability to design and print a monolithic heat exchanger that met their pressure drop and temperature targets. The gas heat exchanger not only met but also exceeded their requirements, delivering improved heat transfer while occupying only 7% of the packaging volume and reducing pressure drop.

Conflux Technology enters production on metal 3D printed heat exchanger for the upgraded AMCM M 4K metal 3D printers
The Conflux pre-production prototype.

Due to the remarkable success of the new heat exchanger in the M 4K system, AMCM plans to apply this same principle to enhance their recently announced M 8K system, which boasts an even larger build volume measuring 800 x 800 x 1200 mm.

“Conflux’s team of engineers have developed a unique capability to utilize additive manufacturing techniques to deliver superior heat transfer performance,” said Martin Bullemer, Managing Director of AMCM. “Embedding Conflux’s additive manufactured heat transfer technology enables us to continue pushing the boundaries of what our 3D metal printing machines can do.”

The landmark production order is a significant step forward in growing the additive manufacturing market and widening the applications of AM technology across industries, including aerospace, advanced manufacturing, motorsports, defense, and electronics.

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Davide Sher

Since 2002, Davide has built up extensive experience as a technology journalist, market analyst and consultant for the additive manufacturing industry. Born in Milan, Italy, he spent 12 years in the United States, where he completed his studies at SUNY USB. As a journalist covering the tech and videogame industry for over 10 years, he began covering the AM industry in 2013, first as an international journalist and subsequently as a market analyst, focusing on the additive manufacturing industry and relative vertical markets. In 2016 he co-founded London-based VoxelMatters. Today the company publishes the leading news and insights websites VoxelMatters.com and Replicatore.it, as well as VoxelMatters Directory, the largest global directory of companies in the additive manufacturing industry.

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