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A team of researchers from the Massachusetts Institute of Technology (MIT) have developed a 3D printer that is capable of printing a fully functional linear motor in just a few hours. According to the paper published on Virtual and Physical Prototyping , the device is equipped with four different extruders — a filament extruder, a pellet extruder, an ink extruder, and a heater — and outputted five different materials — dielectric, electrically conductive, soft magnetic, hard magnetic, and flexible. The team aimed to build a multi-model, multi-material extrusion 3D printer that can build an electric motor with as few steps as possible.
Most existing extrusion 3D printers can only switch between two different materials, so MIT News reported that the team built their own system and retrofitted to an existing printer. They then used that to build a linear motor in about three hours, which only needed to be magnetized post-printing to become fully functional. More importantly, the final product worked just as well or even better than those that were built using traditional manufacturing methods, and the total cost in materials amounted to just about 50 cents.
When using traditional methods, building a one-off prototype can take several weeks to half a year, especially if you need custom tools and equipment. But with this new 3D printing method, you can cut that down to just one day. The researchers also mentioned that it’s useful for making replacement parts, especially for items that aren’t readily available locally. So, instead of relying on a global supply chain that would take weeks to months to deliver, especially with disruptions happening worldwide, you can just find a schematic or diagram of the item that needs replacement (or even build one yourself) and print it as needed.
Harvard researchers develop novel 3D printing method for soft robotics
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Reference reading
- https://www.tomshardware.com/3d-printing/SPONSORED_LINK_URL
- https://www.tomshardware.com/3d-printing/mit-developed-3d-printer-can-output-a-fully-functional-electric-motor-in-a-single-process-team-only-needed-to-magnetize-the-linear-motor-after-printing-motors-cost-just-50-cents-each#main
- https://www.tomshardware.com
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- MIT-developed 3D printer can output a fully functional electric motor in a single process — team only needed to magnetize the linear motor after printing, motor
Informational only. No financial advice. Do your own research.