3D printing magnetic soft gripper

SHENG Yu; OU Xingcheng; HUANG Jiaqi; HUANG Dantong; LI Xiaohong; BI Ran; SHI Ming; GUO Shuangzhuang

doi:10.13801/j.cnki.fhclxb.20220620.001

Volume 40 Issue 5

May 2023

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SHENG Yu, OU Xingcheng, HUANG Jiaqi, et al. 3D printing magnetic soft gripper[J]. Acta Materiae Compositae Sinica, 2023, 40(5): 2670-2679. doi: 10.13801/j.cnki.fhclxb.20220620.001

Citation:

SHENG Yu, OU Xingcheng, HUANG Jiaqi, et al. 3D printing magnetic soft gripper[J]. Acta Materiae Compositae Sinica, 2023, 40(5): 2670-2679. doi: 10.13801/j.cnki.fhclxb.20220620.001

SHENG Yu, OU Xingcheng, HUANG Jiaqi, et al. 3D printing magnetic soft gripper[J]. Acta Materiae Compositae Sinica, 2023, 40(5): 2670-2679. doi: 10.13801/j.cnki.fhclxb.20220620.001

Citation:

SHENG Yu, OU Xingcheng, HUANG Jiaqi, et al. 3D printing magnetic soft gripper[J]. Acta Materiae Compositae Sinica, 2023, 40(5): 2670-2679. doi: 10.13801/j.cnki.fhclxb.20220620.001

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3D printing magnetic soft gripper

doi: 10.13801/j.cnki.fhclxb.20220620.001

1.
Guangzhou Key Laboratory of Flexible Electronic Materials and Wearable Devices, Key Laboratory for Polymeric Composite and Functional Materials of Ministry of Education, School of Materials Science and Engineering, Sun Yat-sen University, Guangzhou 510275, China
2.
Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China

Funds: Natural Science Foundation of Guangdong Province (2021A1515010464); Science and Technology Project of Guangzhou (202102080330); Fundamental Research Funds for the Central Universities of Sun Yat-sen University (22qntd0101; 2021qntd16)

Received Date: 2022-05-10
Accepted Date: 2022-06-11
Rev Recd Date: 2022-06-09

Available Online: 2022-06-21

Publish Date: 2023-05-15

Abstract

Abstract

The soft gripper can deform under external stimuli, and has a good application in the fields of cargo transportation. However, the current soft gripper has a slow response speed, and cannot adapt to most scenarios like a human hand to move the cargoes with various shapes and weights. Therefore, it is necessary to develop a soft gripper with fast response speed and adaptation for various cargoes. In this work, a hard magnetic material—Neodymium-Iron-Boron powder (NdFeB) was blended with a room temperature vulcanized rubber (RTV rubber) to form a printable magnetically responsive NdFeB-RTV rubber composite. Through the exploration and optimization of the manufacturing process-related parameters of the direct ink writing technology, the precursor ink of the NdFeB-RTV rubber composite could be accurately printed into various shapes. The material exhibits excellent mechanical properties after curing: The elongation at break is close to 300%, the tensile strength is 1.03 MPa, the tensile Young's modulus is 1.27 MPa, the flexural strength is 78.06 MPa, and the flexural modulus is 160.96 MPa. Finally, the direct ink writing technology was used to design and manufacture a magnetically responsive four-arm gripper robot. Using the magnetic actuation and flexibility characteristics of the robot, functions such as soft deformation, fast grasping, and smooth transportation are realized.
- magnetic responsive material,
- direct ink write 3D printing,
- soft gripper,
- elastomer,
- actuator
Long Abstrsct
Innovation Points

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References(26)

References

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