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Researchers Use Shape Memory Polymers to Increase Stiffness of 3D Printed Soft Actuators

Researchers Use Shape Memory Polymers to Increase Stiffness of 3D Printed Soft Actuators

Written by David

January 24, 2019

Conductive ink lines printed with DIW method While soft robots are very flexible, and adaptive to more complex environments, they aren’t great at completing tasks with a high load capacity due to the low stiffness of constituent materials. Attempts have been made to use variable stiffness materials and structures in order to develop stiffness‐tunable soft actuators, but these are limited by factors such as small deformations, slow responses, and difficulty fabricating microfeatures. A team of researchers from the Singapore University of Technology and Design ( SUTD ) and Shanghai Jiao Tong University ( STJU ) recently published a paper, titled “ Fast-Response, Stiffness-Tunable Soft Actuator by Hybrid Multimaterial 3D Printing ,” detailing their efforts to fix this issue. The abstract reads, “This work presents a paradigm to design and manufacture fast‐response, stiffness‐tunable (FRST) soft actuators via hybrid multimaterial 3D printing. The integration of a shape memory polymer layer into […]

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