Fabrication, and Experimental Evaluation of Shape Memory Alloy Based Spring Actuators for Laparoscopic Grippers
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Author(s)
Perera, Lakmal
Amarasinghe, Ranjith
Nanayakkara, Nuwan Dayananda
Griffith University Author(s)
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Scholz, SG
Howlett, RJ
Setchi, R
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Split, Croatia
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Abstract
This work contributes to a novel method of manufacturing a Shape Memory Alloy (SMA) based spring actuators for Laparoscopic grippers. The actuator was manufactured using a novel fixturing method followed by a heat treatment process. Afterwards, the developed actuator samples were tested using Differential Scanning Calorimetry (DSC) for transformation temperature investigation and Energy-dispersive X-ray Spectroscopy (EDX) was performed to account for the elemental composition of the utilized SMA material. The characterized spring actuator element is coupled to a gripper manufactured by a combination of conventional manufacturing and rapid prototyping techniques. A testing apparatus was introduced which was used to evaluate the operation of the gripper. Finally, the sustainability in SMA based actuation technologies was highlighted using inherent properties of the SMA materials.
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Sustainable Design and Manufacturing: Proceedings of the 8th International Conference on Sustainable Design and Manufacturing (KES-SDM 2021)
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262
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© 2022 Springer. This is the author-manuscript version of this paper. Reproduced in accordance with the copyright policy of the publisher.The original publication is available at www.springerlink.com
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Subject
Manufacturing engineering
Differential Scanning Calorimetry
Energy-dispersive X-ray spectroscopy
Engineering
Engineering, Industrial
Engineering, Manufacturing
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Citation
Roshan, U; Perera, L; Amarasinghe, R; Nanayakkara, ND, Fabrication, and Experimental Evaluation of Shape Memory Alloy Based Spring Actuators for Laparoscopic Grippers, Sustainable Design and Manufacturing: Proceedings of the 8th International Conference on Sustainable Design and Manufacturing (KES-SDM 2021), 2022, 262, pp. 224-234