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  • Essay / Printing entire parts could accelerate future technologies.

    Through the use of laser-generated 3D hologram-like images flashed into photoresist, experts at the Lawrence Livermore National Lab, along with their collaborators academics, found they could build complex 3D parts in a fraction of the time required for traditional layer-by-layer printing. Through this process, experts released beams, plans, struts at arbitrary angles, lattices, complicated and curved objects in just a few seconds. While additive manufacturing, commonly known as 3D printing, allows engineers and scientists to build parts in configurations and styles never before possible, the effect of the technology offerings is linked to layer-based printing strategies, which can take up to hours or even days. to build three-dimensional parts depending on their complexity. Say no to plagiarism. Get a tailor-made essay on "Why violent video games should not be banned"? Get an original essay However, through the use of laser-generated 3D hologram-like images flashed into photoresist, experts at Lawrence Livermore National Lab, along with collaborators from UC Berkeley, the University of Rochester and the Massachusetts Institute of Technology (MIT) have discovered they can build complex 3D parts in a fraction of the time it takes to print traditional layer by layer. The new strategy is called "volumetric" 3D printing and is explained in the journal Technology Advances, published online December 8. “Being able to produce fully 3D parts in a single step indeed solves an important problem. in additive production," said Maxim Shusteff, a researcher at LLNL and lead author of the paper. "We are trying to print a 3D shape simultaneously. The real goal of this article was to ask: "Can we create arbitrary 3D styles in one fell swoop, by gradually assembling the pieces layer by layer?" "The real way it works," Shusteff explained, "is to superimpose three laser beams to define the geometry of an object in three different directions, creating a 3D image suspended in the resin vat. The light from the laser beam reaches a higher force inside makes, the beams cross, stays on for about 10 seconds, enough time to cure the appropriate part is certainly drained from the vat and, as if by magic, the researchers. still end up with a fully formed 3D part. Scientists have concluded that this approach builds parts often faster than other polymer-based methods, and most, if not all, of today's commercial strategies. additive manufacturing are used. Researchers expect this framework to open an important new avenue of research in the field of rapid 3D printing. “It is a demonstration of what another generation of additive manufacturing could be.” , said LLNL. engineer Chris Spadaccini, who leads Livermore Lab's 3D printing work. “Many 3D printing and additive manufacturing technologies consist of a one-dimensional or two-dimensional device procedure. This moves manufacturing entirely to a 3D procedure, which hasn't really been done before. The potential effect on throughput could be huge and if this can be done well by you you can still have a lot of complexity. "With this technique, Shusteff and his team uniquely printed beams, planes, struts at angles.