3D-Printed Load Cell Using Nanocarbon Composite Strain Sensor
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2021
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Abstract
The development of a 3D-Printed Load Cell (PLC) was studied using a nanocarbon composite strain sensor (NCSS) and a 3D printing process. The miniature load cell was fabricated using a low-cost LCD-based 3D printer with UV resin. The NCSS composed of 0.5 wt% MWCNT/epoxy was used to create the flexure of PLC. PLC performance was evaluated under a rated load range; its output was equal to the common value of 2 mV/V. The performance was also evaluated after a calibration in terms of non-linearity, repeatability, and hysteresis, with final results of 2.12%, 1.60%, and 4.42%, respectively. Creep and creep recovery were found to be 1.68 (%FS) and 4.16 (%FS). The relative inferiorities of PLC seem to originate from the inherent hyper-elastic characteristics of polymer sensors. The 3D PLC developed may be a promising solution for the OEM/design-in load cell market and may also result in the development of a novel 3D-printed sensor.
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joung2021sensors3d-printed
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| Authors | Kwan-Young Joung;Sung-Yong Kim;Inpil Kang;Sung-Ho Cho;Joung, Kwan-Young;Kim, Sung-Yong;Kang, Inpil;Cho, Sung-Ho; |
| Journal | sensors |
| Year | 2021 |
| DOI |
10.3390/s21113675
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