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New X-ray volume 3D printing technology is emerging

wallpapers Products 2021-01-12
Recently, a new type of 3D printing technology-X-ray photographic volumetric 3D printing technology turned out Internal anatomical features, nasal cavity and esophagus are empty.
The quality is also very resistant to "bad", and it can't be broken with a hammer.
It only takes 68 seconds to print a pair of Berlin’ s landmark Brandenburg Gate.
This technology is based on the development of Volumetric Additive Manufacturing (Volumetric Additive Manufacturing, VAM). Related papers were published in the journal Nature by Martin Regehly and others.
Speaking of the original intention of this research, Wrigley, now a professor at Brandenburg University of Applied Sciences in Germany, told DeepTech: “I want to try some new things to expand my horizons. So far, constantly changing research topics have always allowed me Benefited a lot."
High speed can be used to create complex objects
In this new process, the structure of the entire resin volume is preserved, and fragile soft objects can be cured without other refined treatments, and it has attracted wide attention once it came out.
This technology allows solid objects to be printed with a characteristic resolution of 25 microns (thinner than the radius of a hair strand) and a solidification speed of 55 cubic millimeters per second. The printing process is called Xolography by the research team because it uses two different wavelengths Cross X beams to cure the entire object.
Talking about the advantages of this technology, Wrigley said: "Compared with layer-by-layer scanning, the main advantages of 3D printing technology including Xolography are: not only can it form a smooth surface, but it also has a higher printing speed, and Complex objects can be created without other supporting structures. In addition, a multi-component system with moving parts can be created in one step, and subsequent assembly can be eliminated. In contrast to traditional 3D printing technology, when creating a target object layer by layer, layers often appear with Uneven boundaries or material defects. In addition, traditional techniques require extra time to apply or divert new materials, which will slow down the printing speed."
Wrigley said that Xolography uses two different wavelengths of light for curing compared to other methods that usually only use ultraviolet light. Specifically, this technology uses a photoinitiator triggered by visible light were two light beams of different wavelengths intersect to initiate curing in a sealed resin body, thereby speeding up printing.

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