VIBRATION MODES FEM ANALYSIS OF THE ULTRASONIC TRANSDUCER USED TO REDUCE THE FRICTION FORCE DURING WIRE DRAWING

Anda Nicoleta Cringureanu; Marilena Gheorghe; Alexandra Popescu; Andreea Otomega; Oana Chivu; Dan Nitoi

Anda Nicoleta Cringureanu National University of Science of Technology Politehnica Bucharest
Marilena Gheorghe National University of Science and Technology POLITEHNICA Bucharest
Alexandra Popescu National University of Science of Technology Politehnica Bucharest
Andreea Otomega National University of Science of Technology Politehnica Bucharest
Oana Chivu National University of Science of Technology Politehnica Bucharest
Dan Nitoi National University of Science of Technology Politehnica Bucharest

Keywords: ultrasonic, friction, reduction, wire, drawing

Abstract

The article presents the determination and study of the natural vibration frequencies of an ultrasonic system that will be used in the "ultrasonic lubrication" necessary to reduce the coefficient of friction when drawing wires. Obtaining wires through wire drawing has been and will develop more and more strongly as an absolutely necessary industry, especially in the context of the transition to green energy involving photovoltaic panels and wind power plants. Along with their development, there is an absolutely imperative need to transport electricity from the place of its production to the points of its transformation or use. In this sense, the distances to be covered are of the order of hundreds of Km or even more. The companies in this industry, and here we can note the company Prysmian from Slatina, have already signed contracts for the next five years for the production of aluminum or copper cables. The research in this field comes to offer a solution to the reduction of the forces necessary for wire drawing by installing such ultrasonic systems within the wire drawing machines.

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