Origami-inspired design is an emerging field capable of producing compact and efficient designs. Compliant hinges are proposed as a way to replicate the folding motion of paper when using nonpaper materials. Compliant hinges function as surrogate folds and can be defined as localized reduction of stiffness. The purpose of this paper is to organize and evaluate selected surrogate folds for use in compliant mechanisms. These surrogate folds are characterized based on the desired motion as well as motions typically considered parasitic. Additionally, the surrogate folds' ability to rotate through large deflections and their stability of center of rotation are evaluated. Existing surrogate folds are reviewed and closed-form solutions presented. A diagram intended as a straightforward design guide is presented. Areas for potential development in the surrogate fold design space are noted.
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February 2015
Research-Article
Evaluating Compliant Hinge Geometries for Origami-Inspired Mechanisms
Isaac L. Delimont,
Isaac L. Delimont
Department of Mechanical Engineering,
e-mail: isaacdelimont@gmail.com
Brigham Young University
,Provo, UT 84602
e-mail: isaacdelimont@gmail.com
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Spencer P. Magleby,
Spencer P. Magleby
Department of Mechanical Engineering,
e-mail: magleby@byu.edu
Brigham Young University
,Provo, UT 84602
e-mail: magleby@byu.edu
Search for other works by this author on:
Larry L. Howell
Larry L. Howell
Department of Mechanical Engineering,
e-mail: lhowell@byu.edu
Brigham Young University
,Provo, UT 84602
e-mail: lhowell@byu.edu
Search for other works by this author on:
Isaac L. Delimont
Department of Mechanical Engineering,
e-mail: isaacdelimont@gmail.com
Brigham Young University
,Provo, UT 84602
e-mail: isaacdelimont@gmail.com
Spencer P. Magleby
Department of Mechanical Engineering,
e-mail: magleby@byu.edu
Brigham Young University
,Provo, UT 84602
e-mail: magleby@byu.edu
Larry L. Howell
Department of Mechanical Engineering,
e-mail: lhowell@byu.edu
Brigham Young University
,Provo, UT 84602
e-mail: lhowell@byu.edu
Manuscript received September 26, 2014; final manuscript received December 2, 2014; published online December 31, 2014. Assoc. Editor: Carl Nelson.
J. Mechanisms Robotics. Feb 2015, 7(1): 011009 (8 pages)
Published Online: February 1, 2015
Article history
Received:
September 26, 2014
Revision Received:
December 2, 2014
Online:
December 31, 2014
Citation
Delimont, I. L., Magleby, S. P., and Howell, L. L. (February 1, 2015). "Evaluating Compliant Hinge Geometries for Origami-Inspired Mechanisms." ASME. J. Mechanisms Robotics. February 2015; 7(1): 011009. https://doi.org/10.1115/1.4029325
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