Researchers 3D print robotic hand with bones, ligaments and tendons

Researchers 3D print robotic hand with bones, ligaments and tendons

Xinhua News Agency, Beijing, November 19th. A research result recently published by the British magazine Nature stated that Swiss and American researchers used a new technology for the first time to combine 3D printing with laser scanning and feedback mechanisms. Successfully Print a robotic hand with bones, ligaments and tendons. This technology opens up new possibilities for the production of flexible robotic structures.

3D printing technology enables rapid transition from design to production by converting digital models directly into physical objects. Unlike the fast-curing plastic materials commonly used in 3D printing, in this new study, researchers from the Swiss Federal Institute of Technology in Zurich and a US start-up used a slow-curing polymer material with better flexibility.

On October 15, 2020, people looked at a 3D printed female statue in a shopping mall in Dallas, USA. Published by Xinhua News Agency (Photo by Tian Dan)

Generally speaking, 3D printers print layer by layer and scrape off surface irregularities after each curing step, but this printing method is not suitable for slow-curing polymer materials. In the new study, researchers developed a new technology that combines 3D printing with laser scanning and a feedback mechanism that can quickly check the surface irregularities of each printed layer and accurately adjust the material when printing the next layer in real time. quantity. Using this technique, the researchers successfully printed a robotic hand with bones, ligaments and tendons made of polymers with different elasticities in one go.

Researchers say that this new technology can relatively easily combine soft, elastic and rigid materials. Next, they will explore more possibilities using this technology.

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