Abstract
Fused deposition modelling (FDM) is an additive manufacturing process in which successive layers of material are deposited to create a three-dimensional object. It is the most widely used additive manufacturing technology because of its ability to make specimens having a difficult geometrical shape in the reasonable time period and without any tooling requirement. In the present research work, the entire filament production chain is evaluated, starting with the polymer granules, filament production by an extrusion process and test samples printing. Polylactic acid (PLA) is easier to print than acrylonitrile butadiene styrene (ABS) and it is also a biodegradable material, therefore in present research work, PLA granules are used to fabricate the FDM feedstock filament. Various filament properties like melt flow index (MFI), thermal gravimetric analysis (TGA) and tensile strength have been investigated. After testing this filament, it is used in FDM to make tensile specimens. Specimens have been printed at different raster angles from both the PLA filaments (commercially available as well as in-house fabricated) and tensile properties have been compared. It is observed that mechanical and physical properties of in-house fabricated PLA filaments are in close agreement with those of the commercially available PLA filament and parts printed from in-house fabricated filament obtained higher tensile strength as compared to the commercially available filament.
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Prajapati, A.R., Dave, H.K., Rajpurohit, S.R. (2020). Investigation on Quality of In-house Fabricated PLA Filament for 3D Printing Application. In: Shunmugam, M., Kanthababu, M. (eds) Advances in Additive Manufacturing and Joining. Lecture Notes on Multidisciplinary Industrial Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-32-9433-2_24
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DOI: https://doi.org/10.1007/978-981-32-9433-2_24
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