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The International Journal of Advanced Manufacturing Technology

Erschienen in:

09.06.2021 | ORIGINAL ARTICLE

Effects of constricted arc on the shaping of additively manufactured parts by cold metal transfer arc

verfasst von: Jiadong Guo, Zhijiang Wang

Erschienen in: The International Journal of Advanced Manufacturing Technology | Ausgabe 11-12/2021

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Abstract

Parts manufactured by wire and arc additive manufacturing (WAAM) can have significant deformation and large dimension errors. To overcome these problems, a self-made forced cooling device for arc constricting (FCDAC) is designed and used in cold metal transfer arc-based WAAM to constrict the arc shape, further to improve the forming quality, and especially to control wall thickness. The experimental results show that the arc could be constricted into a shape of flat strip from a shape of bell jar. The heat input in the WAAM process with the constricted arc was measured and was slightly higher than that with free arc. The resultant arc shape, travelling with the direction of the FCDAC perpendicular to or along the deposition layer, could produce deposition layers with different shapes and sizes, adding extra flexibility of WAAM to produce more complex structures with different sizes.

Vorheriger Artikel Sustainable reconfigurable manufacturing system design using adapted multi-objective evolutionary-based approaches

Nächster Artikel Geometric characteristics of AlSi10Mg ultrathin walls fabricated by selective laser melting with energy density and related process parameters

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Titel: Effects of constricted arc on the shaping of additively manufactured parts by cold metal transfer arc
verfasst von: Jiadong Guo
Zhijiang Wang
Publikationsdatum: 09.06.2021
Verlag: Springer London
Erschienen in: The International Journal of Advanced Manufacturing Technology / Ausgabe 11-12/2021
Print ISSN: 0268-3768
Elektronische ISSN: 1433-3015
DOI: https://doi.org/10.1007/s00170-021-07401-y

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