Improving Geometric Accuracy of 3D Printed Parts Using 3D Metrology Feedback and Mesh Morphing
| Autor: | Farbod Khameneifar, Moustapha Jadayel |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2020 |
| Předmět: |
0209 industrial biotechnology
Computer science 3D printing 02 engineering and technology geometric accuracy Industrial and Manufacturing Engineering Compensation (engineering) 020901 industrial engineering & automation 0202 electrical engineering electronic engineering information engineering geometric compensation Sacrificial part 3D scanning lcsh:T58.7-58.8 business.industry Mechanical Engineering 020207 software engineering Filter (signal processing) Metrology Morphing Mechanics of Materials Vector field business lcsh:Production capacity. Manufacturing capacity Algorithm additive manufacturing Lead time |
| Zdroj: | Journal of Manufacturing and Materials Processing Volume 4 Issue 4 Journal of Manufacturing and Materials Processing, Vol 4, Iss 112, p 112 (2020) |
| ISSN: | 2504-4494 |
| DOI: | 10.3390/jmmp4040112 |
| Popis: | Additive manufacturing (AM), also known as 3D printing, has gained significant interest due to the freedom it offers in creating complex-shaped and highly customized parts with little lead time. However, a current challenge of AM is the lack of geometric accuracy of fabricated parts. To improve the geometric accuracy of 3D printed parts, this paper presents a three-dimensional geometric compensation method that allows for eliminating systematic deviations by morphing the original surface mesh model of the part by the inverse of the systematic deviations. These systematic deviations are measured by 3D scanning multiple sacrificial printed parts and computing an average deviation vector field throughout the model. We demonstrate the necessity to filter out the random deviations from the measurement data used for compensation. Case studies demonstrate that printing the compensated mesh model based on the average deviation of five sacrificial parts produces a part with deviations about three times smaller than measured on the uncompensated parts. The deviation values of this compensated part based on the average deviation vector field are less than half of the deviation values of the compensated part based on only one sacrificial part. |
| Databáze: | OpenAIRE |
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