In this work, a novel liquid bridge based microstereolithography (LBMSL) was proposed and developed. The liquid bridge was first introduced into the MSL process by replacing the vat, allowing the entire fabrication process to occur within the liquid bridge. The liquid bridge was studied theoretically and experimentally in order to obtain the stable equilibrium shape and the relationship between the height and the volume of the liquid bridge. Using the LBMSL process, the fabrication layer thickness of 0.5 μm was reached. This could not be easily achieved in the vat-based MSL due to the oxygen inhibition to the photopolymer. Fabrication of a photopolymer with a viscosity of 3000 cP was tested and significant results were obtained. Compared with the vat-based MSL, the material consumption in LBMSL was reduced and the fabrication time was improved greatly, in particular, when using higher viscous materials.
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ASME 2017 12th International Manufacturing Science and Engineering Conference collocated with the JSME/ASME 2017 6th International Conference on Materials and Processing
June 4–8, 2017
Los Angeles, California, USA
Conference Sponsors:
- Manufacturing Engineering Division
ISBN:
978-0-7918-5073-2
PROCEEDINGS PAPER
Development and Characterizations of Liquid Bridge Based Microstereolithography (LBMSL) System
Jeongwoo Lee
,
Jeongwoo Lee
University of Akron, Akron, OH
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Sumanth Kashyap
,
Sumanth Kashyap
University of Akron, Akron, OH
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Md. Omar Faruk Emon
,
Md. Omar Faruk Emon
University of Akron, Akron, OH
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Jae-Won Choi
Jae-Won Choi
University of Akron, Akron, OH
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Yanfeng Lu
University of Akron, Akron, OH
Jeongwoo Lee
University of Akron, Akron, OH
Sumanth Kashyap
University of Akron, Akron, OH
Md. Omar Faruk Emon
University of Akron, Akron, OH
Jae-Won Choi
University of Akron, Akron, OH
Paper No:
MSEC2017-2731, V002T01A023; 6 pages
Published Online:
July 24, 2017
Citation
Lu, Y, Lee, J, Kashyap, S, Emon, MOF, & Choi, J. "Development and Characterizations of Liquid Bridge Based Microstereolithography (LBMSL) System." Proceedings of the ASME 2017 12th International Manufacturing Science and Engineering Conference collocated with the JSME/ASME 2017 6th International Conference on Materials and Processing. Volume 2: Additive Manufacturing; Materials. Los Angeles, California, USA. June 4–8, 2017. V002T01A023. ASME. https://doi.org/10.1115/MSEC2017-2731
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