Research towards high speed extrusion freeforming
by Hadley Brooks; Mihaela E. Lupeanu; Barry Piorkowski
International Journal of Rapid Manufacturing (IJRAPIDM), Vol. 3, No. 2/3, 2013

Abstract: Additive Manufacturing (AM) methods are currently utilised for the manufacture of prototypes and low volume, high cost parts. This is because in most cases the high material costs and low volumetric deposition rates of AM parts result in higher per part cost than traditional manufacturing methods. This paper brings together recent research aimed at improving the economics of AM, in particular Extrusion Freeforming (EF). A new class of machine is described called High Speed Additive Manufacturing (HSAM) in which software, hardware and materials advances are aggregated. HSAM could be cost competitive with injection moulding for medium sized medium quantity parts. A general outline for a HSAM machine and supply chain is provided along with future required research.

Online publication date: Tue, 23-Sep-2014

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