Developing a cost comparison technique for hand lay-up versus automated fibre placement and infusion versus out-of-autoclave

Yves Bauswein, Laura Veldenz, Carwyn Ward

Research output: Contribution to conferenceConference Paper

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Abstract

Almost in direct competition with the traditional technique of hand layup, modern automatedmethods have been developed in order to produce the same structural composite material part.These machines are particularly employed in the aerospace industry, and designed to attempt toreduce manufacturing costs, as well as increasing the reliability and quality of the produced part.Despite increasing deployment numbers and uses, such machines are yet to fully replace handlayup as the main method of manufacture within the industry; and perhaps for new builds, furthercomplicates the process of selecting the best manufacturing process for a given component. Forexample, a production engineer must now today not only choose between hand layup andAutomated Fibre Placement (AFP), but also between AFP prepreg or dry fibre infusion; as well asthe curing system to use (including autoclave, oven, and out-of-autoclave options). How suchchoices are made are critical to a component’s success or failure, although little published work isavailable to assist in this arena. The most common approach appears to be based on cost estimates;although it is often the case that detailed understanding is not available (even between materialsusing the same process), which leads to significant risk of capability and performance limitations.This paper seeks to address this, presenting the initial work towards a cost estimation techniquethat includes activity models & cost drivers.
Original languageEnglish
Number of pages8
Publication statusPublished - 14 Nov 2017
EventSAMPE Europe 2017 - Filderhalle Leinfelden-Echterdingen GmbH, Stuttgart, Germany
Duration: 14 Nov 201716 Nov 2017
https://www.sampe-europe.org/conferences/conference-2017-stuttgart

Conference

ConferenceSAMPE Europe 2017
CountryGermany
CityStuttgart
Period14/11/1716/11/17
Internet address

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  • Cite this

    Bauswein, Y., Veldenz, L., & Ward, C. (2017). Developing a cost comparison technique for hand lay-up versus automated fibre placement and infusion versus out-of-autoclave. Paper presented at SAMPE Europe 2017, Stuttgart, Germany.