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TOOLING OPTIMIZATION FOR COMPOSITE MATERIAL PARTS
Alberto Mazarro (FIDAMC) Aquilino Garcia (FIDAMC)
This Project studies manufacturing process optimization for complex composite materials parts trying to reduce costs. Springback effect and tooling thermal behaviour are taken into account to design an optimal tool and curing cycle.
VISUALISING PROCESS INDUCED VARIATIONS IN THE MANUFACTURE OF TUFTED SANDWICH PANELS
Emily Withers (University of Bristol) James Kratz (University of Bristol) Ian Hamerton (University of Bristol) Carwyn Ward (University of Bristol)
This paper presents the development of a test bed which permits observation of loop formation during tufting. Needle insertion force data were obtained which along with the visual analysis aids understanding variation caused by the process.
HYBRID, NEAR-NET-SHAPE AND NET-SHAPE MANUFACTURING OF COMPOSITE PARTS USING TOWPREG
Jan Hodde (BMW AG) Matthias Meyer (BA Composites GmbH) Stefan Geh (SGL Carbon GmbH)
360° analysis of low cost manufacturing with TowPreg.
OPTIMISING HIGH-THROUGHPUT, AUTOMATED PREFORM PRODUCTION WITH NON-LINEAR SIMULATION OF THE PICK AND PLACE PROCESS FOR TECHNICAL FABRICS
Christian Doersch (Fraunhofer IWES ) Harsha Tummala (Fraunhofer IWES ) Oliver Bagemiel (Fraunhofer IWES)
Handling of textile blanks and cuttings for the production of composites is still complex. To reduce complexity in development of such handling processes there has been set up a digital tool to simulate and calculate optimal pick-up locations.
MICRO-COMPUTED TOMOGRAPHY MEASUREMENT OF THE FIBRE MISALIGNMENT IN THE IN- AND OUT-OF-AUTOCLAVE AFP/ATL COMPOSITES
Nghi Nguyen (KU Leuven) Mahoor Mehdikhani (KU Leuven) Ilya Straumit (KU Leuven) Larissa Gorbatikh (KU Leuven) Stepan Lomov (KU Leuven)
The paper presents a method for characterization of fibre misalignment in-plane and out-of-plane of composite laminates manufactured by automated fibre placement/tape laying (AFP/ATL) using for assessment of the precision of tow placements process.
CONTINUOUS TAPE LAYUP MOLDING OF CFRTP USING NEAR-INFRARED HEATING AND HIGH FREQUENCY INDUCTION ROLLER HEATING
Daiki Tanabe (Osaka University) Fumio Kubohori (Kindai University) Shota Imamura (Kindai University) Hongfei Jiang (Kindai University) Kazuaki Nishiyabu (Kindai University) Tetsusei Kurashiki (Osaka University)
This study aimed to predict the optimum processing condition for thermoplastic tape laying. It was found that the near infrared heating was required for removing the moisture contained in prepreg tape.
IN-SITU CONSOLIDATION OF POLYAMIDE (PA) COMPOSITES BY AUTOMATED PLACEMENT TECHNOLOGY
Fernando Rodríguez (FIDAMC) Isabel Martín (FIDAMC) Katia Fernández (FIDAMC)
FIDAMC has developed a thermoplastic fiber placement technology based on laser beam heating that will enable consolidation of thermoplastic material (polyamide) out of autoclave.
INFLUENCE OF LAYUP SPEED ON THE QUALITY OF THERMOPLASTIC PREFORMS MANUFACTURED BY LASER-ASSISTED AUTOMATED FIBRE PLACEMENT
Mattia Di Francesco (National Composites Centre) Mario Valverde (University of Bristol) Carwyn Ward (University of Bristol) Peter Giddings (National Composites Centre) Giuseppe Dell'Anno (National Composites Centre) Kevin Potter (University of Bristol)
Automated Fibre Placement of carbon fibre reinforced thermoplastics at high deposition rate is possible, but for a constant nip-point temperature process the preform quality varies with the layup speed.
INFLUENCE OF PROCESS PARAMETERS AND MATERIAL AGING ON THE ADHESION OF PREPREG IN AFP PROCESSES
Chinh Nguyen (German Aerospace Center) Christian Krombholz (German Aerospace Center)
In order to increase the quality and process of automated manufactured CFRP parts, the tack between two prepreg plies depending on material aging at room temperature and different material temperature was analyzed with a lap shear test.
IMPROVED CURE SIMULATION IN PULTRUSION PROCESS ABOUT HEATING SYSTEMS: A CASE STUDY
Rita de Cássia Costa Dias (Montanuniversitaet Leoben) L. S. Santos (Universidade Federal Fluminense) Ralf Schledjewski (Montanuniversitaet Leoben)
In this work some case studies relationed to the optimization of the die-temperature in the pultrusion of a thermosetting composite are presented.
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