Journal
JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY
Volume 31, Issue 5, Pages 2197-2201Publisher
KOREAN SOC MECHANICAL ENGINEERS
DOI: 10.1007/s12206-017-0415-7
Keywords
3D printing; Layer thickness; Print orientation; PLA; Bonding strength
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Three-dimensional printing is the common name given to various techniques used to manufacture different objects. Fused deposition technique is a commonly used additive manufacturing technology in prototyping and production. Fused deposition modelling systems are limited in terms of shape and size of parts. Printing parts with less support material, for parts too large to print in a single operation or for parts with fine details, sectioning and adhesively bonding is the solution for manufacturing. According to adhesion theory, the strength of adhesively bonding between three-dimensional printed parts is affected by surface roughness. Effects of layer thickness and print orientation on adhesion strength of parts manufactured with three-dimensional printing were experimentally studied. As a result of the study, it was found that the edgewise orientation had the highest bonding strength in lower layer thicknesses, while flatwise orientation had the highest bonding strength in higher layer thicknesses.
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