Defect formation in EBM parts built at different orientation

C. Camilleri and A. Rochman
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C. Camilleri: Department of Industrial and Manufacturing Engineering, University of Msida, Msida, Malta
A. Rochman: Department of Industrial and Manufacturing Engineering, University of Msida, Msida, Malta

Journal of Advances in Technology and Engineering Research, 2019, vol. 5, issue 3, 125-134

Abstract: This study presents the results of an analysis carried to compare the dimensional quality of parts built at different orientations as well as identify causes of dimensional inaccuracies of Electron Beam Melting (EBM) parts built in different scenarios. The scenarios considered reflect common overhanging positions of part features built in the EBM machine. The results show that the parts built on the support structure had the optimum dimensional accuracy. Furthermore, there are close quality characteristics of the cylindrical features built in the X and Y direction, i.e., perpendicular to the build direction, due to the alternating scanning direction adopted by the EBM machine.

Keywords: Additive manufacturing; EBM orientation; Dimensional analysis; Ti-6Al-4V (search for similar items in EconPapers)
Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:apb:jaterr:2019:p:125-134

DOI: 10.20474/jater-5.3.3

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