Origami-like creases in sheet materials for compliant mechanism design
The purpose of this research is to evaluate the creasing of non-paper sheet materials, such as plastics and metals, to facilitate origami-based compliant mechanism design. Although it is anticipated that most origami-based design will result from surrogate folds (indirect methods of replacing the cr...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Copernicus Publications
2013-11-01
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| Series: | Mechanical Sciences |
| Online Access: | http://www.mech-sci.net/4/371/2013/ms-4-371-2013.pdf |
| Summary: | The purpose of this research is to evaluate the creasing of non-paper sheet
materials, such as plastics and metals, to facilitate origami-based compliant
mechanism design. Although it is anticipated that most origami-based design
will result from surrogate folds (indirect methods of replacing the crease),
it is valuable to provide information that may help in more direct approaches
for origami-based design in materials other than paper. Planar sheets of
homogeneous material are considered as they maintain the principles
fundamental to origami (flat initial state, low cost, readily available). The
reduced stiffness along the axis of the crease is an enabling characteristic
of origami. Hence a metric based on the deformation of the crease compared to
the deformation of the panels enables engineering materials to be evaluated
based on their ability to achieve the "hinge-like" behavior observed in
folded paper. Advantages of both high and low values of this metric are
given. Testing results (hinge indexes, residual angles, localized hinge
behavior and cyclic creasing to failure) are presented for various metals and
polymers. This methodology and subsequent findings are provided to enable
origami-based design of compliant mechanisms. |
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| ISSN: | 2191-9151 2191-916X |