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Polymers, volume 12, issue 3, pages 550

Post-Processing of FDM 3D-Printed Polylactic Acid Parts by Laser Beam Cutting

Publication typeJournal Article
Publication date2020-03-03
Journal: Polymers
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor4.7
ISSN20734360
General Chemistry
Polymers and Plastics
Abstract

In this paper, the post-processing of 3D-printed poly lactic acid (PLA) parts is investigated. Workpieces are manufactured by fused deposition modeling (FDM) 3D printing, while they may have defects in some areas such as edges. A post-processing is introduced here for 3D-printed samples by low power CO2 laser. The thickness of the FDM samples are 3.2 mm and printed by optimum conditions. Effects of process parameters such as focal plane position (−3.2–3.2 mm), laser power (20–40 W), and laser cutting speed (1–13 mm/s) are examined based on the design of experiments (DOE). Geometrical features of the kerf; top and bottom kerf; taper; ratio of top to the bottom kerf are considered as output responses. An analysis of the experimental results by statistical software is conducted to survey the effects of process parameters and to obtain regression equations. By optimizing of the laser cutting process; an appropriate kerf quality is obtained and also optimum input parameters are suggested. Experimental verification tests show a good agreement between empirical results and statistical predictions. The best optimum sample with 1.19 mm/s cutting speed, 36.49 W power and 0.53 mm focal plane position shows excellent physical features after the laser cutting process when 276.9 μm top and 261.5 μm bottom kerf width is cut by laser.

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GOST |
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GOST Copy
Moradi M. et al. Post-Processing of FDM 3D-Printed Polylactic Acid Parts by Laser Beam Cutting // Polymers. 2020. Vol. 12. No. 3. p. 550.
GOST all authors (up to 50) Copy
Moradi M., Karami Moghadam M., Shamsborhan M., Bodaghi M., Falavandi H. Post-Processing of FDM 3D-Printed Polylactic Acid Parts by Laser Beam Cutting // Polymers. 2020. Vol. 12. No. 3. p. 550.
RIS |
Cite this
RIS Copy
TY - JOUR
DO - 10.3390/polym12030550
UR - https://doi.org/10.3390/polym12030550
TI - Post-Processing of FDM 3D-Printed Polylactic Acid Parts by Laser Beam Cutting
T2 - Polymers
AU - Falavandi, Hamid
AU - Moradi, Mahmoud
AU - Karami Moghadam, Mojtaba
AU - Shamsborhan, Mahmoud
AU - Bodaghi, Mahdi
PY - 2020
DA - 2020/03/03
PB - MDPI
SP - 550
IS - 3
VL - 12
PMID - 32138209
SN - 2073-4360
ER -
BibTex |
Cite this
BibTex Copy
@article{2020_Moradi,
author = {Hamid Falavandi and Mahmoud Moradi and Mojtaba Karami Moghadam and Mahmoud Shamsborhan and Mahdi Bodaghi},
title = {Post-Processing of FDM 3D-Printed Polylactic Acid Parts by Laser Beam Cutting},
journal = {Polymers},
year = {2020},
volume = {12},
publisher = {MDPI},
month = {mar},
url = {https://doi.org/10.3390/polym12030550},
number = {3},
pages = {550},
doi = {10.3390/polym12030550}
}
MLA
Cite this
MLA Copy
Moradi, Mahmoud, et al. “Post-Processing of FDM 3D-Printed Polylactic Acid Parts by Laser Beam Cutting.” Polymers, vol. 12, no. 3, Mar. 2020, p. 550. https://doi.org/10.3390/polym12030550.
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