The Fraunhofer Institute for Production Technology IPT, Aachen, Germany, is a research institute with focus on all aspects of production technology (process technology, production machines, production metrology and quality management as well as technology management) with central task on research and development as well as the optimization of production technologies and its transfer into the industrial environment. For more than 30 years, the Fraunhofer IPT performs applied research in the field of production metrology with focus on optical technologies. In a broad spectrum of projects customized metrology solutions for industrial applications were implemented successfully. The acquired experience in the development of high resolution metrology mostly based on low coherence interferometry and its integration in production also in laser micro machining of metals endorses the IPT to the development and machine integration of the innovative metrology system for the adaptive control of a laser transmission welding machine. The tomographical imaging of plastics and polymers through the laser processing optics characterizes a special challenge in comparison to metals and will be here the main research topic. Additionally the analysis of the inline measurement data as well as the correlation to the weld functionalities will be executed together with Rovi-Tech and blz.
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