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The design of lightweight devices is a paramount goal in the industrial field. Great challenges involve the development of high-quality components manufactured by Fused Deposition Modeling (FDM). Accordingly, the aim of the study was to report preliminary features in the development of a strategy towards in situ monitoring and quality assessment of 3D printed parts. Block-shaped specimens were manufactured using FDM and polyethylene terephthalate glycol-modified (PETG) filament. Printing temperature, second deposition angle and printing speed were varied at three levels to evaluate their influence on the vibrations and on the flexural performance. The motions produced by a 3D printer were investigated, and suitable sensors were chosen and/or adapted as measuring systems. The vibrations produced during the FDM process were monitored by means of a customized sensor systems. The values for the three axes were produced in acceleration, and some examples of the amplitudes recorded over time were reported. Three-point bending tests were carried out on the 3D printed PETG. A potential correlation among the acceleration patterns and the mechanical properties (i.e., flexural modulus and strength) of the 3D printed parts was preliminarily studied.

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A Strategy Towards In Situ Monitoring and Quality Assessment of 3D Components Manufactured by FDM: Preliminary Features

  • 会议论文

  • 发表日期：

    2025年

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  • Antonio Gloria,
  • Romolo Di Bernardo,
  • Alessandra Fuscone,
  • Ida Papallo,
  • Domenico Speranza,
  • Francesco Acerra,
  • Davide Maria Gatta,
  • Davide Cannizzaro,
  • Massimo Martorelli

摘要

The design of lightweight devices is a paramount goal in the industrial field. Great challenges involve the development of high-quality components manufactured by Fused Deposition Modeling (FDM). Accordingly, the aim of the study was to report preliminary features in the development of a strategy towards in situ monitoring and quality assessment of 3D printed parts. Block-shaped specimens were manufactured using FDM and polyethylene terephthalate glycol-modified (PETG) filament. Printing temperature, second deposition angle and printing speed were varied at three levels to evaluate their influence on the vibrations and on the flexural performance. The motions produced by a 3D printer were investigated, and suitable sensors were chosen and/or adapted as measuring systems. The vibrations produced during the FDM process were monitored by means of a customized sensor systems. The values for the three axes were produced in acceleration, and some examples of the amplitudes recorded over time were reported. Three-point bending tests were carried out on the 3D printed PETG. A potential correlation among the acceleration patterns and the mechanical properties (i.e., flexural modulus and strength) of the 3D printed parts was preliminarily studied.