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Gumennik Helps Unveil Innovative 3D Printer

2017-06-05
Alexander Grumennik Fuse 1

Alexander Gumennik, an assistant professor of intelligent systems engineering at the School of Informatics and Computing, is part of a group that has developed a revolutionary 3D printer that will provide professional printing capabilities at a fraction of the current cost.

Gumennik, who also is the director of ISE’s Fibers & Additive Manufacturing Enabled Systems (FAMES) Laboratory, was part of a presentation in Boston at MIT’s Digital Factory, which is an event focusing on digital manufacturing. The conference brought together experts from the field of digital manufacturing to explore innovative designs and products. Gumennik worked with Formlabs, a leader in high-resolution 3D desktop printing, to develop the optics for Fuse 1, a laser-sintering powder-bed printer that turns a raw powdered material into a solid.

“This is the first time in my life that I’ve seen something that I’ve built in my own hands becoming a commercial product,” Gumennik says. “It’s something I’ve engineered, and it’s a useful product that serves its consumers.”

Fuse 1 can create complex nested and overhanging structures, such as moving mechanical assemblies, as one piece using nylon, which is strong, durable, and functional. Gumennik developed the optical module that is at the heart of the printer, including the laser and the beam shaping and controlling optics, such as the lenses, mirrors, optical windows, and the galvanometers. He also designed and packaged the optical modules as well as the tuning, troubleshooting, and maintenance of the optics on the research and development prototypes.

Prior to arriving at IU, Gumennik worked on making fiber sensors as a post-doctoral student at MIT. Such sensors could potentially sense explosives and be woven into seats on busses and airplanes to alert crews of the possibility of the presence of a bomb. Gumennik is developing 3D printing techniques that will be able to print fiber preforms in metals, semiconductors, and insulators in an automated and precise manner.

Gumennik is integrating his work with Formlabs and MIT into the FAMES Lab, which is currently being built at SoIC. It will feature 3,000 square feet of lab space including a fiber draw tower, 3D printing of preforms, material processing cleanrooms, and device characterization labs.

“Alexander’s work with Formlabs showcases the potential of 3D printing to change the way we think about manufacturing,” says Geoffrey Fox, interim associate dean of ISE. “His work with fibers can potentially revolutionize fiber devices and other types of flexible electronics.”

Learn more about Fuse 1 at the Formlab’s website.

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