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A Study on Fabrication of Internally Colored Shape in Stereolithography Parts using Molten Ink Deposition Process  

Park, Jong-Cheol (Department of Mechanical Engineering, Korea Advanced Institute of Science Technology)
Park, Suk-Hee (Department of Mechanical Engineering, Korea Advanced Institute of Science Technology)
Kang, Sang-Il (Solisys)
Yang, Dong-Yol (Department of Mechanical Engineering, Korea Advanced Institute of Science Technology)
Publication Information
Journal of the Korean Society for Precision Engineering / v.27, no.6, 2010 , pp. 98-104 More about this Journal
Abstract
Rapid Prototypes with internally colored objects are convenient by visualizing. A rapid prototyping method has been developed to fabricate mono-colored or multi-colored objects. In this work, a new process was proposed that can fabricate internally visible colored 3D objects in stereolithography parts. The process consists of projection stereolithography process using transparent photocurable resin for outer shapes and molten ink deposition process using molten solid ink for internal shapes. In molten ink deposition process, molten solid ink could be deposited uniformly in a designed pattern. To make molten solid ink uniform over a designed region, parametric study through a patterning solid ink was performed. By laminating resin and solid ink in sequence, the process can make colored 3D objects in StereoLithography(SL) parts. The practicality and effectiveness of the proposed process were verified through fabrication of colored basic 3D objects in SL parts.
Keywords
Rapid Prototyping; Internal Object; Color; Stereolithography;
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