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Showing 1 to 20 of 70 for “"Stereolithography"”.
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Fabrication of tissue scaffolds using projection micro-stereolithography
… manufacturing technique of projection micro-stereolithography (PuSL) proved capable of building non-cytotoxic and highly complex 3D structures with microvasculature on the order of 20 um inner diameter. While extensive biological testing remains to be carried out, the built structures reveal …
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Fabrication and Characterization of Carbon Nanocomposite Photopolymers via Projection Stereolithography
Projection Stereolithography (PSL) is an Additive Manufacturing process that digitally patterns light to selectively expose and layer photopolymer into three dimensional objects. Nanomaterials within the photopolymer are therefore embedded inside fabricated objects. Adding varying concentrations of …
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Design and fabrication of physiologic tissue scaffolds using projection-micro-stereolithography
… for biomedical engineers. Projection-micro-stereolithography, or PuSL, is an additive manufacturing technique in which complex parts are built out of UV-curable resins using ultraviolet light. The primary strength of PuSL is its capacity to translate CAD files into three-dimensional parts …
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Engineering micro-perfusable scaffolds for MesoPhysiological Systems using projection Micro-StereoLithography
MicroPhysiological Systems (MPS) are in vitro models that capture the complexity of human organs at miniature scale by recreating the native microenvironment of resident cells. These systems offer promising alternatives to in vivo animal models for the development of new drugs, disease modeling and …
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The development of a skeletal muscle bio-actuator using 3-D stereolithography
Item withdrawn by Mark Zulauf (zulauf@illinois.edu) on 2013-04-22T15:23:45Z Item was in collections: University of Illinois Theses & Dissertations (ID: 1) No. of bitstreams: 1 Cvetkovic_Caroline.pdf: 9089391 bytes, checksum: 3bca9a127ed7823923b3518da57bc11a (MD5)
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Optimization of a light emitting diode based projection stereolithography system and its applications
… structures. Over the last decade, projection stereolithography has been developed to manufacture true three-dimensional structures in a faster manner than traditional processes. This work discusses the development of a projection stereolithography system and the different process parameters …
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A Multi-Material Projection Stereolithography System for Manufacturing Programmable Negative Poissons Ratio Structures
… bath to begin with. Extensible Multi-material Stereolithography (EMSL) is a novel high-resolution projection stereolithography system capable of manufacturing hybrid 3D objects. This system provides new capabilities, allowing more flexible design criteria through the incorporation of multiple …
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Development of a layerless additive manufacturing stereolithography machine to improve surface quality and dimensional accuracy
Stereolithography (SLA) is an Additive Manufacturing (AM) process that has recently gained significant popularity in manufacturing research. The material used in SLA is a photocurable resin. SLA fabrication has conventionally been executed in a layered build process, which results in the staircase …
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Design and Testing of a Top Mask Projection Ceramic Stereolithography System for Ceramic Part Manufacturing
… volume associated with the part. Ceramic stereolithography is an alternative to producing low cost parts through the mixing of a photo curable resin and ceramic particles. This is an additive manufacturing process in which each layer is built upon the previous to produce a green body that …
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Design and construction of a propeller open water testing apparatus and testing of a stereolithography 3D printed model propeller
… propeller was manufactured using a benchtop stereolithography 3D printer. The open water characteristics of the replica were measured and compared to the benchmark propeller. Results of this testing revealed some limitations of 3D printed model propellers, such as size constraints and …
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Instrument guide for MRI-guided percutaneous interventions
… trajectory. The device was prototyped via stereolithography as a proof of concept. It was found that sanding was required to fit the parts together because of overbuild in the stereolithography process. The parts functioned as designed and demonstrated that a probe could be angled about a …
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A robotic system for photopatteming of freeform surfaces
… manufacturing by photopolymerization (e.g., stereolithography) is attractive due to its high resolution and its compatibility with soft and hard polymers, composites, and biomaterials. While traditional stereolithography machines are designed to build on planar substrates, patterning of …
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Characterization of a 3D printed pumped counterflow virtual impactor and an aerodynamic lens concentrator
… computer aided design software and printed using stereolithography printing. These devices were compared against their industrial counterparts. The printed PCVI was proven to be as effective as the industrial PCVI in a smaller working range. The printed concentrator effectively concentrated …
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Finite element analysis of adhesive contact interface in continuous 3D printing
Projection Micro-Stereolithography (P[mu]SLA) is one of the most high-throughput additive manufacturing methods, yet preserving the high-resolution characteristic of light-based polymerization techniques. However, further improvement of fabrication speed and precision is usually hindered by the …
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Formulation of uv curable resins utilized in vat photo polymerization for the additive manufacturing of gun propulsion charge in 3d printers
… Additive Manufacturing (AM), utilizing UV laser stereolithography, is a new technique that makes it possible for the fabrication of complex geometries with high dimensional resolution. This layer by layer photopolymerization approach spans various industrial sectors from adhesives, inks and …
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Design of a flapping mechanism for reproducing the motions at the base of a dragonfly wing
… was built from acrylic and parts made using stereolithography.
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