Application of Epoxy Resin in 3D Printing
The rapid prototyping process of UV Laser Curing is now referred to as Stereolithography 3D printing process (abbreviated as SLA). Patented in the United States by Charles Hull in 1984, it is one of the earliest developed 3D printing technologies. Since 3D Systems of America first launched commercialized SLA in 1988, this 3D printing technology has been developing rapidly, which can automatically print out complex 3D objects that are difficult to be made by various other processing methods, representing an epoch-making significance in the field of processing technology. SLA utilizes computer-controlled UV laser to scan point by point on the photosensitive resin liquid level according to the shape of the two-dimensional cross-section and thus to cure the resin. Then the cured resin forms a two-dimensional shape. This process is repeated layer by layer to finally obtain a complete 3D object, with its quality mainly depending on the properties of the photosensitive resin.
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