Journal
ADVANCED MATERIALS TECHNOLOGIES
Volume 3, Issue 2, Pages -Publisher
WILEY
DOI: 10.1002/admt.201700172
Keywords
3D printing; pneumatic actuators; printable actuators; printable devices; soft robotics
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Funding
- MOE AcRF Tier 2 [R-397-000-203-112]
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Soft robotic technologies have been known to have various advantages over their rigid counterparts due to their compliant and deformable properties. They can carry out delicate object manipulation and perform complex maneuvers in confined spaces, which traditional robotics has difficulty with. The most widely adopted fabrication method for traditional soft elastomeric fluidic actuators is mold-casting, which is cumbersome and involves several manual steps. Therefore, a substantial variability in performance and quality of these actuators arises directly from the manufacturing process. This paper presents on a novel fold-based design of a 3D-printed soft pneumatic bending actuator. In contrast to other works that rely on high-end multimaterial 3D printers, a consumer-grade open source 3D printer to fabricate soft pneumatic actuators in a fast and cheap way using fused deposition modeling technology has been adapted. This allows for consistency in both the quality of the actuators and their mechanical performance. The key findings in (1) a 3D-printed fold-based actuator fabrication process, (2) actuator characterization, and (3) a design-centric approach toward different bending profiles for different applications are presented.
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