A composite cost model for the aeronautical industry: Methodology and case study |
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| Affiliation: | 1. Groupe de Physique des Matériaux UMR 6634 CNRS, INSA Rouen, av. de l’Université, 76801 Saint Etienne du Rouvray, France;2. Université de Toulouse, INSA, UPS, Mines Albi – ICA/ISAE, 10 av. E. Belin, 31055 Toulouse, France;1. Institute of Polymer Product Engineering, Johannes Kepler University, Altenbergerstraße 69, 4040 Linz, Austria;2. Center for Lightweight Composite Technologies, ENGEL AUSTRIA GmbH, Steyrer Straße 20, 4300 St. Valentin, Austria;1. Manufacturing Department, School of Aerospace, Transport and Manufacturing (SATM), Cranfield University, Cranfield, Bedfordshire MK43 0AL, UK;2. Airbus UK, Pegasus House, Filton, Bristol BS34 7PA, UK;3. Automatic Control and Systems Engineering Department, Amy Johnson Building, The University of Sheffield, Portobello Street, Sheffield S1 3JD, UK;1. Bristol Composites Institute, University of Bristol, Queen’s Building, University Walk, Bristol BS8 1TR, United Kingdom;2. National Composites Centre, Feynman Way Central, Bristol and Bath Science Park, Emersons Green BS16 7FS, United Kingdom |
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| Abstract: | This paper presents a novel composite production cost estimation model. The strength of the model is its modular construction, allowing for easy implementation of different production methods and case studies. The cost model is exemplified by evaluating the costs of a generic aeronautical wing, consisting of skin, stiffeners and rib feet. Several common aeronautical manufacturing methods are studied. For studied structure, hand layup is the most cost-effective method for annual volumes of less than 150 structures per year. For higher production volumes automatic tape layup (ATL) followed by hot drape forming (HDF) is the most cost-effective choice. |
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| Keywords: | A Carbon fibre C Analytical modelling E Lay-up (manual/automated) E Prepreg |
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