期刊
CIRP ANNALS-MANUFACTURING TECHNOLOGY
卷 65, 期 1, 页码 361-364出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.cirp.2016.04.078
关键词
Force; Measurement; Nanocomposite
Accurate measurement of cutting forces is important for monitoring and optimization of machining processes. In this study, we fabricated highly sensitive force sensors using polymeric nanocomposites. The sensors consisted of polyvinylidene difluoride (PVDF) polymer reinforced with multi-walled carbon nanotubes (MWCNTs) using a spray coating method. The spray-coated sensors were electrically poled to generate piezoelectric phases. Both the piezoresistive and piezoelectric characteristics of the nanocomposite were utilized for improved performance of the sensors. A Monte Carlo based electromechanical model is proposed and was used to investigate the behavior of the nanocomposite sensor. Experimental cutting tests were also performed for comparison with a conventional table dynamometer. (C) 2016 CIRP.
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