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Customized design of artefacts for additive manufacturing

Abstract : Additive manufacturing (AM) artefacts are test parts used to optimize and assess accuracy and limitations of AM systems and processes. There are several artefacts developed for AM. However, few of them are provided with complete details on the general design method used for tolerance evaluation. Also, before starting a batch production with metallic AM systems, manufacturers need to make sure that AM system's GD&T (Geometric Dimensioning and Tolerancing) capabilities fit their requirements. This can be achieved with a customized artefact designed for the evaluation of specific GD&T characteristics. This paper follows a synthesis of the common practices in AM artefact design methods. The aim here is to introduce a detailed AM artefact design method for GD&T characteristics evaluation. Based on existing design concepts, the proposed approach sets up a design guideline starting from requirements definition, to the final test part. A case study is also detailed to evaluate the general GD&T accuracy capabilities and limitations of a metal PBF system. A test part is designed, built and the AM system's characterization is performed.
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https://hal.archives-ouvertes.fr/hal-02390901
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Submitted on : Tuesday, December 3, 2019 - 12:37:25 PM
Last modification on : Monday, July 5, 2021 - 9:48:24 AM
Long-term archiving on: : Wednesday, March 4, 2020 - 8:03:48 PM

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  • HAL Id : hal-02390901, version 1

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Saint-Clair Toguem, Charyar Mehdi-Souzani, Nabil Anwer, Hichem Nouira. Customized design of artefacts for additive manufacturing. EUSPEN 2019, Jun 2019, Bilbao, Spain. ⟨hal-02390901⟩

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