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Low-cost Automation for Prepreg Handling - Two Cases from the Aerospace Industry
Linköping University, Department of Management and Engineering, Manufacturing Engineering. Linköping University, Faculty of Science & Engineering. Linköpings Universitet.ORCID iD: 0000-0001-8015-3039
Saab Aerostructures, Sweden.
Swerea Sicomp, Sweden.
Swerea Sicomp, Sweden.
2016 (English)In: SAE International Journal of Materials and Manufacturing, ISSN 1946-3979 (print), 1946-3987 (online), Vol. 9, no 1Article in journal (Refereed) In press
Abstract [en]

With an increased use of composite materials within the aerospace industry follows a need for rational and cost-effective methods forcomposite manufacturing. Manual operations are still common for low to medium manufacturing volumes and complex products.Manual operations can for example be found in material handling, when picking prepreg plies from a cutter table and stacking them toform a plane laminate in preparation for a subsequent forming operation. Stacking operations of this kind often involves a greatnumber of different ply geometries and removal of backing paper and other protecting materials like plastic. In this paper two differentdemonstrator cells for automated picking of prepreg plies and stacking of plane laminates are presented. One demonstrator is utilizinga standard industrial robot and an advanced end-effector to handle the ply variants. The other demonstrator is using a dual arm robotwhich allow for simpler end-effector design. In combination with a previously developed system for automated removal of backingpapers both systems have shown to be capable of automatically picking prepreg plies from a plane surface and stack them to generate aflat multistack laminate. The dual arm approach has shown advantageous since it result in simpler end-effector design and a successivelay down sequence that result in good adhesion between the plies in the laminate.

Place, publisher, year, edition, pages
Warrendale, USA: SAE International , 2016. Vol. 9, no 1
Keyword [en]
Composite, Manufacturing, Automation, Low-cost, Prepreg
National Category
Production Engineering, Human Work Science and Ergonomics
Identifiers
URN: urn:nbn:se:liu:diva-121602DOI: 10.4271/2015-01-2606OAI: oai:DiVA.org:liu-121602DiVA: diva2:857227
Available from: 2015-09-28 Created: 2015-09-28 Last updated: 2016-02-09Bibliographically approved

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Björnsson, Andreas
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