|
Título:
|
An eddy-current-based sensor for preventing knots in metallic wire drawing processes
|
|
Autor/a:
|
Esteban Dalmau, Bernat; Riba Ruiz, Jordi-Roger; Baquero Armans, Grau
|
|
Notas:
|
During metallic wire drawing processes, the presence of knots and the failure to detect them can lead to long production interruptions, significant economic losses and a lower quality of final product. Consequently, there is a pressing need to develop methods for real-time detection and prevention of this fault.
In this paper a sensor to prevent the formation of knots during the metallic wire drawing process is presented and evaluated by means of experimental data. This fast, inexpensive, non-contact sensor is based on electromagnetic principles such as eddy current induction, magnetic reluctance variations and magnetic
coupling. The proposed sensor can detect knots in a target metallic wire without direct contact by measuring the impedance variations of a calibrated sensing coil caused either by a knot or an unwound loop rising from a wire rod. The incorporation of this type of sensor into a wire drawing machine can avoid the tightening of the knot, thereby reducing downtime and increasing the security and reliability of the process.
Experiments were conducted using a scale model of the above proposed system. This allowed to highlight the sensor’s potential by carrying out an automatic, real-time knot detection during steel wire drawing. |
|
Materia(s):
|
-Eddy currents
-Sensing coil
-Metallic wire
-Knots
-Quality control |
|
Derechos:
|
cc-by-nc-nd, (c) Taylor & Francis, 2011
http://creativecommons.org/licenses/by-nc-nd/4.0/
|
|
Tipo de documento:
|
Artículo
Artículo - Versión aceptada |
|
Editor:
|
Taylor & Francis
|
|
Compartir:
|
|
