期刊
MECHANISM AND MACHINE THEORY
卷 160, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.mechmachtheory.2021.104298
关键词
Compliant mechanisms; Lamina Emergent Joint; Origami technology; Mortise and tenon joint; Compliance matrix
资金
- National Natural Science Foundation of China [51475037]
This paper introduces a design method to achieve large deformation of Lamina Emergent torsional (LET) joints in multiple directions through origami technology, and proposes a Foldable mortise-tenon structure (FMTS). The influence of structural parameters of the FMTS on its maximum deformation and maximum stress under tension is studied. A two degree of freedom Lamina Emergent Joint (2DOF-LEJ) is designed based on the proposed method and structure, and its effectiveness is verified through experimental tests.
Lamina Emergent Mechanisms (LEMs) are an important part of compliant mechanisms, and origami technology can fold simple two-dimensional planes into complex threedimensional geometries. This paper introduces a design method to achieve large deformation of Lamina Emergent torsional (LET) joints in multiple directions through origami technology. A Foldable mortise-tenon structure (FMTS) is proposed to make permanent creases in origami-based mechanisms. The influence of structural parameters of the FMTS on its maximum deformation and maximum stress under tension is studied. Based on the proposed method and structure, a two degree of freedom Lamina Emergent Joint (2DOF-LEJ) is designed. The structural design, equivalent stiffness analysis, and finite element analysis (FEA) of the 2DOF-LEJ are carried out. Experimental tests verify the effectiveness of the proposed method and FMTS on the prototype. Finally, some applications of the proposed method and FMTS in origami-based mechanisms are discussed. (c) 2021 Elsevier Ltd. All rights reserved.
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