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Bio-Design and Manufacturing  2016 Vol.-1 No.-1 P.

http://doi.org/10.1007/s42242-024-00303-4


Sustainable and untethered soft robots created using printable and recyclable ferromagnetic fibers


Author(s):  Wei Tang, Yidan Gao, Zeyu Dong, Dong Han, Vadim V. Gorodov, Elena Yu. Kramarenko, Jun Zou

Affiliation(s):  State Key Laboratory of Fluid Power and Mechatronic Systems, Zhejiang University, Hangzhou 310058, China; more

Corresponding email(s):   junzou@zju.edu.cn, kram@polly.phys.msu.ru

Key Words:  Ferromagnetic fibers, Sustainable soft robots, 3D printing, Recyclable soft materials, Medical applications


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Wei Tang, Yidan Gao, Zeyu Dong, Dong Han, Vadim V. Gorodov, Elena Yu. Kramarenko, Jun Zou. Sustainable and untethered soft robots created using printable and recyclable ferromagnetic fibers[J]. Journal of Zhejiang University Science D, 2016, -1(-1): .

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Abstract: 
Integrated printing of magnetic soft robots with complex structures using recyclable materials to achieve sustainability of the soft robots remains a persistent challenge. Here, we propose a kind of ferromagnetic fibers that can be used to print soft robots with complex structures. These ferromagnetic fibers are recyclable and can make soft robots sustainable. The ferromagnetic fibers based on thermoplastic polyurethane (TPU)/NdFeB hybrid particles are extruded by an extruder. We use a desktop three-dimensional (3D) printer to demonstrate the feasibility of printing two-dimensional (2D) and complex 3D soft robots. These printed soft robots can be recycled and reprinted into new robots once their tasks are completed. Moreover, these robots show almost no difference in actuation ability relative to prior versions, and have new functions. Successful applications including lifting, grabbing, and moving objects, and these functions can be operated untethered wirelessly. In addition, the locomotion of magnetic soft robot in a human stomach model shows the application prospect in medical applications. Overall, these fully recyclable ferromagnetic fibers pave the way for printing and reprinting sustainable soft robots while also effectively reducing e-waste and robotics waste materials, which is important for resource conservation and environmental protection.

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