TOWARDS PRODUCTION OF MICROFEATURES ON A CUSTOM-MADE STEREOLITOGRAPHIC DLP PRINTER
Journal Title: Proceedings in Manufacturing Systems - Year 2018, Vol 13, Issue 2
Abstract
Stereolithographic digital light processing (DLP) printing is a liquid-based additive manufacturing process, where 3D parts are made by curing a photosensitive polymer kept in vat. In this paper, the in-house DLP printer is presented. It uses two spindles for coarse and fine positioning in z-axis. A printer resolution is determined by printing inclined channels of different depths. At this development level the resolution is below 100 µm and it is to be further improved. Suitable process parameters are determined, a micromixer is manufactured and compared to the micromixer produced by casting. Better machining results are obtained by printing, but casting is more suitable for large scale production.
Authors and Affiliations
Joško VALENTINČIČ, Luka SEVŠEK, Miha PRIJATELJ, Izidor SABOTIN, Marko JERMAN, Andrej LEBAR
Keywords
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