Monofilament Super-Coiled Polymer artificial muscles (SCPs) can be manufactured by twisting nylon filaments until a tight helical coil is formed. A recent advancement involves manufacturing copper-wound SCPs, which can be actuated using electric Joule heating. This paper describes the implementation of an apparatus to manufacture copper-wound SCPs. This apparatus also allows for variation and control of several manufacturing parameters of the SCPs. Using this apparatus, SCP specimens were manufactured with various combinations of these parameter values. The performance of these specimens was then experimentally characterized in order to optimize the strain, contraction time, and efficiency of the SCPs.
Matthew E. Padgett and Stephen A. Mascaro, "Investigation of manufacturing parameters for copper-wound super-coiled polymer actuators," Proc. SPIE 10966, Electroactive Polymer Actuators and Devices (EAPAD) XXI, 109660R (Presented at SPIE Smart Structures + Nondestructive Evaluation: March 05, 2019; Published: 13 March 2019); https://doi.org/10.1117/12.2514350.
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