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  • Surface Finishing at High Speed

    Press Release / 7.8.2018

    With the integrated mirror, the laser beam is adapted to the processing situation with switching intervals of less than five milliseconds.
    © Fraunhofer ILT, Aachen, Germany.

    High precision and high quality, but too slow – this is how most laser processes for surface finishing can be described. In the EU research project ultraSURFACE, the Fraunhofer Institute for Laser Technology ILT in Aachen, together with nine international partners, is developing two new optics by the end of 2018. With them, the laser beam shape can be specifically and quickly adapted to constantly changing processing situations. In the near future, lasers will be able to polish, coat or structure surfaces up to ten times faster than before thanks to this tuning.

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  • Juror Prof. Wolfgang Marquardt (Chairman of the Board of Directors of Forschungszentrum Jülich, left) and award winner Thomas Schopphoven from Fraunhofer ILT at the announcement of the winners of the Berthold Leibinger Innovationspreis 2018.
    © Berthold Leibinger Stiftung, Ditzingen, Germany.

    The research team of the Fraunhofer Institute for Laser Technology ILT and the Chair of Digital Additive Production DAP of RWTH Aachen University will be honored with the Berthold Leibinger Innovationspreis 2018 for their development of the “Extreme High-Speed Laser Material Deposition” (EHLA). This process can be used to coat, repair or additively manufacture components in a particularly economical and environmentally friendly way. On September 21, the Aachen scientists will receive the first prize of the laser innovation prize awarded by the private foundation Berthold Leibinger Stiftung in Ditzingen, Germany, every other year since 2000 for outstanding research and development on the application or generation of laser light.

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  • 3D-Printing: Support structures to prevent vibrations in post-processing operations for thin-walled parts

    Press Release of the Fraunhofer Institute for Production Technology IPT / 16.7.2018

    One of the main features of additive manufacturing processes such as 3D-printing is that the complexity of the component shapes it produces, is virtually unlimited. However, high surface quality in metallic components can frequently be achieved only via milling or grinding finishing operations. Milling operations conducted on thin-walled parts in particular often cause vibrations which impact negatively on part accuracy and on machining time. The Fraunhofer Institute for Production Technology IPT and the Fraunhofer Institute for Laser Technology ILT in Aachen will be presenting special-purpose support structures which can eliminate these vibrations in post-processing operations at Farnborough International Airshow from 16 – 22 July 2018.

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  • It’s all about the finishing touches, in the truest sense of the word, for the third time at the Fraunhofer Institute for Laser Technology ILT in Aachen on the 12th and 13th of September 2018. After the first two successful conferences on laser polishing, the institute expects more than 70 participants from industry and research to attend the third Conference on Laser Polishing – LaP.

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  • Coherent operates a high-performance excimer laser system for processing large surfaces in partnership with the Fraunhofer Institute for Laser Technology ILT in Aachen, Germany. Using the short-wave laser system, the partners aim to develop new methods for carefully controlled surface processing. Preparation of CFRP adhesive surfaces is just one example of the numerous potential applications.

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  • The Fraunhofer-Gesellschaft is launching a highly ambitious undertaking: the Fraunhofer Cluster of Excellence “ADVANCED PHOTON SOURCES”. The cluster aims to achieve international technological leadership in laser systems that reach maximum performance with ultrashort pulses (USP), as well as researching their potential applications, all in cooperation with Fraunhofer partners. The new systems are proposed to surpass all previous USP lasers by one order of magnitude in average laser power. At the same time, the partners are working on the required system technology as well as promising applications in industry and research.

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  • His expertise reinforces the Center’s ambitions: Prof. Johannes Henrich Schleifenbaum has been appointed managing partner of ACAM Aachen Center for Additive Manufacturing GmbH, effective June 1, 2018. The expert group manager for “Additive Manufacturing and Functional Layers” at the Fraunhofer Institute for Laser Technology ILT and holder of the chair for “Digital Photonic Production DAP” replaces Dr. Johannes Witzel in this capacity.

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  • L’utilisation de matériaux composites dans les transports terrestres est l’un des thèmes de l’édition 2018 du salon JEC, qui se tiendra à Chicago le 27 et 28 juin. La remise du prix « Future of Composites in Transportation 2018 Innovation Award », dans la catégorie « Passenger Cars » (« véhicule de tourisme »), à l’institut Fraunhofer pour les technologies laser ILT d’Aix-la-Chapelle, constituera l’un des temps forts du salon. Le prix récompense le développement d’un arceau de toit multi-matériaux, à la fabrication duquel ont également participé Weber Fibertech GmbH, Werkzeugbau Siegfried Hofmann GmbH, l’institut Fraunhofer pour la durabilité des structures et la fiabilité des systèmes LBF, SCANLAB GmbH et le Groupe BMW. Cette pièce hybride confirme la pertinence des procédés laser dans la fabrication de composants légers.

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  • The use of composite materials for ground transportation will be in the spotlight at an upcoming JEC event, “The Future of Composites in Transportation”, on June 27 and 28, 2018 in Chicago. For the Fraunhofer Institute for Laser Technology ILT in Aachen, a highlight at the event will be receiving the “Future of Composites in Transportation 2018 Innovation Award” in the category “Passenger Cars”. This accolade honors the development of a hybrid roof bow in collaboration with Weber Fibertech GmbH, Werkzeugbau Siegfried Hofmann GmbH, Fraunhofer Institute for Structural Durability and System Reliability LBF, SCANLAB GmbH and the BMW Group. In short, this component demonstrates successful implementation of laser processes in lightweight production.

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  • Once every three years, the German steel industry presents its Steel Innovation Awards. The purpose of this initiative is to recognize innovations that are helping to ensure this material remains a viable choice for the long term. The jury considers not just products made from steel, but also innovative processes such as Extreme High-speed Laser Material Deposition (EHLA). For the development of the EHLA process, researchers from the Fraunhofer Institute for Laser Technology ILT in Aachen won the Joseph von Fraunhofer Prize in 2017. On June 13, 2018, the researchers were honoured with the 2nd Prize of the Steel Innovation Award in the “Steel in Research and Development” category for their eco-friendly laser-based alternative to chromium(VI) plating.

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