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  4. A multi-material robotic finger with integrated proprioceptive and tactile capabilities produced with a circular process
 
conference paper

A multi-material robotic finger with integrated proprioceptive and tactile capabilities produced with a circular process

Georgopoulou, Antonia
•
Hamelryckx, Stijn
•
Junge, Kai  
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January 1, 2023
2023 Ieee International Conference On Soft Robotics, Robosoft
IEEE International Conference on Soft Robotics (RoboSoft)

When developing or designing biomimetic robotic fingers with rigid and soft components and integrated sensors, fabrication is often a bottle-neck when assembling and casting processing techniques are used. This study introduces a thermoplastic multi-material fabrication approach that allows the printing of fingers with incorporated sensing elements in a single shot. Thermoplastics and thermoplastic elastomers based materials have been selected to demonstrate the circular fabrication process. To exhibit the potential of the method, a sensorized multi-material finger was fabricated using polypropylene (PP) for the rigid bone, styrene-based tri-block co-polymer (TPS) for the soft skin and resistive composites based on TPS and carbon black (CB) for the sensing. The 3D printer was equipped with combined pellet- and filament-based extruders to enable the combined fabrication processing of the materials without additional assembling. This allowed the exploration of a range of designs with different geometric and infill properties. To demonstrate the circular process, the fabricated fingers were recycled and the mechanical properties did not result in a visible degradation. The described multi-material fabrication of soft robotic components allows time efficiency of the production method and the reusability of the materials, which contribute to establishing a sustainable circular process in the future.

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Type
conference paper
DOI
10.1109/ROBOSOFT55895.2023.10122054
Web of Science ID

WOS:001008269300096

Author(s)
Georgopoulou, Antonia
Hamelryckx, Stijn
Junge, Kai  
Eckey, Louisa Marie
Rogler, Simon
Katzschmann, Robert
Hughes, Josie  
Clemens, Frank
Date Issued

2023-01-01

Publisher

IEEE

Publisher place

New York

Published in
2023 Ieee International Conference On Soft Robotics, Robosoft
ISBN of the book

979-8-3503-3222-3

Series title/Series vol.

IEEE International Conference on Soft Robotics

Subjects

Robotics

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
CREATE-LAB  
Event nameEvent placeEvent date
IEEE International Conference on Soft Robotics (RoboSoft)

Singapore, SINGAPORE

Apr 03-07, 2023

Available on Infoscience
July 31, 2023
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/199520
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