Automated interlayer wall height compensation for wire based directed energy deposition additive manufacturing

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dc.contributor.authorQin, Jian
dc.contributor.authorVives, Javier
dc.contributor.authorRaja, Parthiban
dc.contributor.authorLasisi, Shakirudeen
dc.contributor.authorWang, Chong
dc.contributor.authorCharrett, Thomas O. H.
dc.contributor.authorDing, Jialuo
dc.contributor.authorWilliams, Stewart
dc.contributor.authorHallam, Jonathan Mark
dc.contributor.authorTatam, Ralph P.
dc.date.accessioned2023-10-20T11:42:26Z
dc.date.available2023-10-20T11:42:26Z
dc.date.issued2023-10-16
dc.description.abstractPart quality monitoring and control in wire-based directed energy deposition additive manufacturing (w-DEDAM) processes has been garnering continuous interest from both the academic and industrial sectors. However, maintaining a consistent layer height and ensuring that the wall height aligns closely with the design, as depicted in computer-aided design (CAD) models, pose significant challenges. These challenges arise due to the uncertainties associated with the manufacturing process and the working environment, particularly with extended processing times. To achieve these goals in an industrial scenario, the deposition geometry must be measured with precision and efficiency throughout the part-building process. Moreover, it is essential to comprehend the changes in the interlayer deposition height based on various process parameters. This paper first examines the behaviour of interlayer deposition height when process parameters change within different wall regions, with a particular focus on the transition areas. In addition, this paper explores the potential of geometry monitoring information in implementing interlayer wall height compensation during w-DEDAM part-building. The in-process layer height was monitored using a coherent range-resolved interferometry (RRI) sensor, and the accuracy and efficiency of this measurement were carefully studied. Leveraging this information and understanding of deposition geometry, the control points of the process parameters were identified. Subsequently, appropriate and varied process parameters were applied to each wall region to gradually compensate for wall height. The wall height discrepancies were generally compensated for in two to three layers.en_UK
dc.description.sponsorshipInnovate UK: HPWAAM: 53610 Engineering and Physical Sciences Research Council (EPSRC): EP/R027218/1; EP/S01313X/1en_UK
dc.identifier.citationQin J, Vives J, Raja P, et al., (2023) Automated interlayer wall height compensation for wire based directed energy deposition additive manufacturing, Sensors, Volume 23, Issue 20, October 2023, Article Number 8498en_UK
dc.identifier.issn1424-8220
dc.identifier.urihttps://doi.org/10.3390/s23208498
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/20420
dc.language.isoenen_UK
dc.publisherMDPIen_UK
dc.rightsAttribution 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectwire-based directed energy deposition additive manufacturing (w-DEDAM)en_UK
dc.subjectpart quality monitoring and controlen_UK
dc.subjectinterlayer wall height compensationen_UK
dc.titleAutomated interlayer wall height compensation for wire based directed energy deposition additive manufacturingen_UK
dc.typeArticleen_UK

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