ANALYSIS OF FACTORS AFFECTING DIMENSIONAL ACCURACY OF PRODUCT CORNERS DURING THE DEVELOPMENT OF 3D-PRINTING TECHNOLOGY

UDC 621.923

 

Mikhalchenko Alexandrina Aleksandrovna – Master, PhD student, the Department of “Water Supply, Chemistry and Ecology”. Belarusian State University of Transport (34, Kirova str., 246653, Gomel, Republic of Belarus). E-mail: aleks.mikhalchenko@mail.ru

Neuzorava Alla Bronislavovna – DSc (Engineering), Professor, Head of the Department of “Oil and Gas Development and Hydropneumatic Automation”. Sukhoi State Technical University of Gomel (48, Oktyabrya Ave., 246029, Gomel, Republic of Belarus). E-mail: anevzorova@gstu.by

 

DOI: https://doi.org/ 10.52065/2520-2669-2024-277-11.

 

Key words: 3D-printing, fused deposition modeling (FDM), angular accuracy, dimensional accuracy.

 

For citation: A. A. Mikhalchenko, A. B. Neuzorava. Analysis of factors affecting dimensional accuracy of product corners during the development of 3d-printing technology. Proceedings of BSTU, issue 2, Chemical Engineering, Biotechnologies, Geoecology, 2024, no. 1 (277), pp. 82–86 (In Russian). DOI: 10.52065/2520-2669-2024-277-11

Abstract

Additive 3D printing technologies allow the production of small batches of products with a high degree of repeatability. From the point of view of application possibilities of 3D-printed objects, their dimensional accuracy is an important aspect. The aim of the work is to quantify the errors of angular accuracy of samples with sharp internal and external corners depending on different base layers, as well as different parameters of the FDM-printing process using filaments from PLA- and ABS-materials. The discrepancy of angular dimensions between the CAD model and the printed object during the fabrication of internal and external catches was established. The obtained results allowed to establish the limits of errors of geometrical deviations of samples arising in the process of FDM-printing. It was experimentally determined that for the same sizes of products and filaments, there is a possibility to level the errors during CAD-model creation using the obtained error coefficients for different types of base layers.

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09.11.2023