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Development Of A New 3D Printing Process For High-performance Polymers

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Development Of A New 3D Printing Process For High-performance Polymers
Development Of A New 3D Printing Process For High-performance Polymers

Video: Development Of A New 3D Printing Process For High-performance Polymers

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Video: The Material Science of Metal 3D Printing 2023, February
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Laser sintering of high-performance polymers such as PPS and PAEK is still a technical challenge. Today's commercial solutions require special laser sintering machines due to the high melting temperatures. During the construction job, the polymer powders are exposed to very high temperatures for a long time. This causes the materials to age rapidly and prevents economical powder recycling. But it's not just the powder, the printed components also suffer from the strong heat. Ultimately, it is the high temperature alone that makes laser sintering of high-performance polymers so expensive today. To develop high-performance polymers for industrial additive manufacturing,laser sintering must be carried out at low installation space temperatures - the thermo-melt process offers the solution.

The Airbus Innovation Group has started a cooperation with the laser sintering specialist LSS Laser-Sinter-Service and the material manufacturer Lehmann & Voss to develop the thermo-melt process including high-performance materials to market maturity. The laser sintering service provider Rauch CNC Manufacturing, experienced in laser sintering of high temperature polymers, accompanies the development and will be the first user of the technology.

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The thermo-melt process enables laser sintering of high-performance polymers on conventional laser sintering machines that are already available on the market, which only need to be modified slightly. The required modifications - developed by LSS - include improved temperature and laser energy control. Thermo-Melt significantly reduces thermal aging effects during the construction process, increases the powder recycling ability and reduces manufacturing costs compared to classic laser sintering processes. Extensive parameter studies have already been carried out. Previous results show significantly improved component properties compared to conventional solutions. (qui)

Formnext 2016: Hall 3.1, Stand F81

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