![]() ![]() Piercing the polymer with a needle to replicate damage posed by thorny objects such as broken glass and spiky twigs.By cutting the surface with a scalpel to mimic scratch damage caused by sharp objects or jagged edge. The research team investigated the healing performance of the polymer membrane from various damage sources: These materials enable soft universal grippers to conform to, grasp and handle a wide range of different and irregular shaped objects.Įxperimental results showed that there was no closure or sealing of the damaged polymer at temperatures below 70☌. Soft and flexible materials are typically used for the fabrication of soft robots as they are shock-absorbent and can protect the robot from mechanical impact. The results are reported in the journal Advanced Intelligent Systems. Unlike other universal robotic grippers, this proposed self-healing universal gripper can be fully reprocessed and recycled-something that is in contrast to the traditional silicones currently used in soft robotic grippers, which offer poor recyclability and a limited lifetime. Meanwhile, autonomous integrated heating achieves rapid healing in approximately nine minutes at the desired temperature of 70☌. Developed by researchers at the University of Cambridge and Vrije Universiteit Brussel, the elastomer-a special class of polymer with unique properties such as elasticity and toughness-is able to self-heal from macroscopic damages, including scratches and punctures sustained from direct contact with sharp objects or surfaces.Ī pressure sensor acts as the damage detection early warning system. A self-healing elastomer forms the flexible and deformable membrane of the gripper. ![]()
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