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Title: Edge quality in Fused Deposition Modeling: II. Experimental verification
Authors: Cavallaro, M
Armillotta, A
Keywords: Additive manufacturing;Defect prediction;Geometric accuracy;Edge Quality;Fused deposition modeling
Issue Date: 2016
Publisher: Emerald
Citation: Rapid Prototyping Journal, 23 (4), pp. 686 - 695 (2016)
Abstract: Purpose – To provide an experimental evaluation of geometric errors on the edges of parts manufactured by the FDM process. Design/methodology/approach – An experimental plan was conducted by building parts in ABS thermoplastic resin on a commercially available machine with given combinations of the three geometric variables (inclination, included and incidence angle) defined in the first part of the paper. Edges on built parts were inspected on a 2D non-contact profilometer to measure position and form errors. Findings – The analysis of measurement results revealed that the edge-related variables have significant influences on the geometric errors. The interpretation of error variations with respect to the different angles confirmed the actual occurrence of the previously discussed error causes. As an additional result, quantitative predictions of the errors were provided as a function of angle values. Research limitations/implications – The experimental results refer to fixed process settings (material, FDM machine, layer thickness, build parameters, scan strategies). Originality/value – The two-part paper is apparently the first to have studied the edges of additively manufactured parts with respect to geometric accuracy, a widely studied topic for surface features.
ISSN: 1355-2546
Appears in Collections:Brunel Design School Research Papers

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