Investigation Of Starch Adhesion In An Open Source 3D Printer

Kusraju, Jerventh Rau (2018) Investigation Of Starch Adhesion In An Open Source 3D Printer. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

Three-dimensional (3D) product are normally produced by using a 3D printer by converting 3D drawing from software such as SolidWorks to .stl file. This process is known as additive manufacturing process (AM). Generally, a common 3D printer uses heating element to melt its filament to semi molten and extrude out on a platform, the platform where the filament is printed have adhesive which act as a medium to hold the printed specimen together. Many types of adhesive had been used for this past few years which are synthetic and bio-based adhesive. Bio-based adhesive in 3D printing is starting to grow rapidly but there are still many flaws throughout the process. Many researches can be carried out to study the problems occur in 3D printer, one of the highlighted problems are warping deformation which occur during the first layer of specimen. The specimen vertex tends to warp upwards causing it to peel off from the platform resulting in material, time and energy waste. New mixture of plant-based bio adhesive was studied and experimented to reduce warping deformation at the same time maintaining its environmentally friendly criteria. Besides, viscosity of the adhesive has been tested and analyse to ensure it can be used for 3D printer application. Provided that the mixture has been done, comparison between synthetic and plant-based bio adhesive was carried out by conducting tensile test in order to identify the maximum load it can withstand. From all the data collected, it can be concluded that synthetic adhesive is stronger but plant-based bio adhesive still can be use in 3D printer application as it greatly reduces warping deformation and environmentally friendly

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