Initial Development of a Simulation Model of a Radiation-based Print Heating System for Fused Deposition Modeling

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Collins, Daniel S.
Turner, Cameron

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University of Texas at Austin


Fused Deposition Modeling (FDM) has become a standard 3D printing process for thermoplastics. However, the process results in different strength characteristics along each cardinal direction of a part attributed to different bonding times between filaments. The resulting anisotropic characteristics are an obstacle when considering FDM printed parts for mechanical purposes. Work at Arizona State University has demonstrated a method using laser-based heating to achieve improved polymer bonding without loss of dimensional accuracy. In this research we consider the possibilities of reheating the filament via radiative heat transfer to achieve the same outcome. By exploring the approach in simulation and conducting confirmation experiments, we evaluate the ability to increase strength in FDM components by post-deposition controlled radiative heat-transfer.


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