Design for the reduction of volume shrinkage-induced distortion in digital light processing 3D printing
نویسندگان
چکیده
Due to its high printing resolution and fast speed, digital light processing (DLP) has become one of the most widely used additive manufacturing technologies. In a typical DLP printing, resin is photocured from liquid into solid accompanied by large volume shrinkage, which often leads shape distortion printed structures. this study, we investigated shrinkage-induced DLP-printed parts conducting experiments, theoretical modeling, finite element analysis (FEA) simulations. Material property evolution coupled with shrinkage during photocuring was first modeled constitutively. The constitutive theory then implemented FEA simulations layer-by-layer process study development due printing. Experiments validated efficiency proposed further applied help predict in microfluidic channels overhanging structures where parameters for compensating can be designed based on FEA.
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ژورنال
عنوان ژورنال: Extreme Mechanics Letters
سال: 2021
ISSN: ['2352-4316']
DOI: https://doi.org/10.1016/j.eml.2021.101403