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Process design and modelling methods for automated handling and draping strategies for composite components

Autoren:Bruns, C.; Micke-Camuz, M.; Bohne, F.; Raatz, A.
Kategorie:Zeitschriften/Aufsätze (reviewed)
Jahr:2018
Veröffentlichung:CIRP Annals, Volume 67, Issue 1, 2018, Pages 1-4
DOI:https://doi.org/10.1016/j.cirp.2018.04.014

Abstract

Fibre-reinforced-thermoplastics (FRT) have excellent weight-specific properties compared to conventional engineering materials. However, a wider dissemination of this technology into existing plant technologies is restrained by the low degree of automation. Complex FRT component geometries pose special challenges to gripper design and handling strategies in automated preform processes regarding limp material behaviour and fast cooling time. The preform quality is influenced by the component geometry, reinforcing fabric, and preform process. This paper presents the development of an automated handling and draping strategy, which is validated by finite-element-analysis and experimental testing to meet the requirements of large-scale preforming processes for complex geometries.