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Production Optimisation with Digital Technologies in Automated

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Production Optimisation with Digital Technologies in Automated Carbon Fibre Reinforced Plastic Processing


For realisation of high effective laydown rates in automated fibre placement (AFP) an efficient inspection for defects as well as an adapted temperature control system are needed. Two novel approaches based on latest digital technologies are presented to reduce ineffective operation, while increasing quality. By in-process scanning of the placed material during layup defects are detected and their position is stored in a database in real time. Using new digital technology, the operator is provided with an augmented reality (AR) visualisation, projecting position, type and size of detected defects onto the real part. Thus, manual inspection time is drastically reduced and the operator is assisted for required rework. Further optimisation potential in the AFP process lies in the use of a LED based heating unit, that offers instantaneous reaction times thus eliminating the need for pre-heating and slow accelerations, as with typical infrared radiators. Smart control of individual LEDs or arrays allows for perfectly adapted heat distribution where it is required and eases adding and dropping of tows during courses. Furthermore, a combination of both technologies offers the possibility to highlight critical spots displayed as a heatmap on the real part and correct power input in-situ.


Authors: Tilman Orth, Christian Weimer, Matthias Geistbeck, Franz Engel,  Michael Krahl, and Niels Modler


Conference: SAMPE Seattle 2017


SKU/Code: SE17--0681

Pages: 11

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