A review of geometric dimensioning and tolerancing (GD&T) of additive manufacturing and powder bed fusion lattices

Eujin Pei, Israt Kabir, Tomislav Breški, Damir Godec, Axel Nordin

Research output: Contribution to journalReview articlepeer-review

Abstract

To increase industrial adoption, part qualification and certification of the additive manufacturing (AM) process are crucial through geometric benchmarking as well as optimising the properties and process parameters. However, an extensive research gap remains concerning the geometric dimensioning and tolerancing (GD&T) of AM parts. This paper presents a review on the state-of-art GD&T benchmarking of powder bed fusion techniques enabling complex geometrical features like lattices. The study found a lack of design guidelines and standardised measurement techniques for lattice features and profiles.
Original languageEnglish
Pages (from-to)1297-1305
Number of pages9
JournalProgress in Additive Manufacturing
Volume7
Issue number6
Early online date6 May 2022
DOIs
Publication statusPublished - 30 Dec 2022

Keywords

  • Geometric dimensioning and tolerancing
  • Additive manufacturing
  • Powder bed fusion
  • Benchmarking test artefacts
  • Lattice structure

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