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CSME 2025/06
Volume 46 No.3
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271-277
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Tribology of 3D Printing Polylactic Acid Elements Sliding on the Synthetic Resins
Yuh-Ping Chang a, Chien-Te Liu a, Li-Ming Chu b and Huann-Ming Chou a
aDepartment of Mechanical Engineering, Kun Shan University, Tainan City 710303, Taiwan, R.O.C.
bDepartment of Green Energy and Information Technology, National Taitung University, Taitung City 950309, Taiwan, R.O.C.
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Abstract:
Since advanced processes often require high dust-free levels, it is necessary for the machinery industry to develop low-friction, anti-wear and low-dust technologies for drive elements that can be quickly printed and formed. Polylactic acid is often used in rapid printing components, and synthetic resin has a wide range of industrial applications, the two materials are often paired with each other to form driven elements. In order to achieve "smooth driving", the adhesive wear under dry friction conditions should be reduced. To achieve "high dust-free grade", the grease conditions of mating elements should be improved to reduce the generation of wear dust. Therefore, wear of the 3D printed polylactic acid elements sliding against the synthetic resins are investigated in this study under dry friction and grease conditions, respectively. The changes of the friction coefficient are dynamic measured during the friction experiment, and after the friction experiment, the wear surface is observed with micrographs. The experimental results are analyzed both qualitatively and quantitatively to develop rapidly printed transmission components that meet high dust-free levels and can be used for a long time.
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Keywords: Tribology, 3d Printing, polylactic acid, synthetic resins
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©
2025
CSME , ISSN 0257-9731
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