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무윤활 상태에서 3D 프린팅용 PLA 및 PETG 소재의 마모 현상에 관한 연구

A Study on the Wear Phenomena of PLA and PETG Materials for 3D Printing in Non-lubricated Condition

Journal of the Korean Society for Precision Engineering 2024;41(2):145-151.
Published online: February 1, 2024

1 동아대학교 기계공학과

1 Department of Mechanical Engineering, Dong-A University

#E-mail: hyunseop@dau.ac.kr, TEL: +82-51-200-7648
• Received: October 2, 2023   • Accepted: November 27, 2023

Copyright © The Korean Society for Precision Engineering

This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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  • Artificial Intelligence Technologies and Applications in Additive Manufacturing
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A Study on the Wear Phenomena of PLA and PETG Materials for 3D Printing in Non-lubricated Condition
J. Korean Soc. Precis. Eng.. 2024;41(2):145-151.   Published online February 1, 2024
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A Study on the Wear Phenomena of PLA and PETG Materials for 3D Printing in Non-lubricated Condition
J. Korean Soc. Precis. Eng.. 2024;41(2):145-151.   Published online February 1, 2024
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A Study on the Wear Phenomena of PLA and PETG Materials for 3D Printing in Non-lubricated Condition
Image Image Image Image Image Image Image Image Image Image Image Image Image
Fig. 1 FDM 3D printer with 500 × 500 × 450 printing size
Fig. 2 Geometry of printed parts; (a) Bump and (b) Block
Fig. 3 3D printed blocks and bumps used for wear test
Fig. 4 Reciprocating wear tester
Fig. 5 Temperature after wear test; (a) block, (b) bump, and (c) comparison of temperature between different 3D printed materials under 9.81 N and 0.1 m/s conditions
Fig. 6 Examples of measured temperature after wear test; (a) PLA bump (PLA block-PLA bump), (b) PLA block (PLA block-PLA bump), (c) PETG bump (PETG block-PETG bump), (d) PETG block (PETG block-PETG bump), (e) PETG bump (PLA block-PETG bump), and (f) PLA block (PLA block-PETG bump)
Fig. 7 Coefficient of friction between PLA block and PLA bump
Fig. 8 Images of PLA block and bump after wear test under 0.1 m/s condition; (a) deposited PLA on block and (b) non-uniform wear of bump
Fig. 9 Coefficient of friction between PETG block and PETG bump
Fig. 10 Coefficient of friction between different 3D printed materials under 9.81 N and 0.1 m/s conditions
Fig. 11 Coefficient of wear between PLA block and PETG bump
Fig. 12 Wear rate; (a) block, (b) bump, and (c) comparison of wear rate between different 3D printed materials under 9.81 N and 0.1 m/s conditions
Fig. 13 3D image of deposited PLA on PLA block
A Study on the Wear Phenomena of PLA and PETG Materials for 3D Printing in Non-lubricated Condition

Printing condition for bump and block

Material Parameters Conditions
PLA Layer thickness [mm] 0.2
Infill density [%] 100
Nozzle temperature [°C] 200
Bed temperature [°C] 65
Printing speed [mm/s] 80
PETG Layer thickness [mm] 0.2
Infill density [%] 100
Nozzle temperature [°C] 235
Bed temperature [°C] 85
Printing speed [mm/s] 80
Table 1 Printing condition for bump and block