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Title: Electromechanical dynamics model of ultrasonic transducer in ultrasonic machining based on equivalent circuit approach
Authors: Zhang, JG
Long, ZL
Ma, WJ
Hu, GH
Li, YM 
Keywords: Equivalent circuit
Impedance model
Rotary ultrasonic machining (RUM)
Ultrasonic transducer
Issue Date: 2019
Publisher: Molecular Diversity Preservation International (MDPI)
Source: Sensors (Switzerland), 2019, v. 19, no. 6, 1405 How to cite?
Journal: Sensors (Switzerland) 
Abstract: Ultrasonic transducer is a piezoelectric actuator that converts AC electrical energy into ultrasonic mechanical vibration to accelerate the material removal rate of workpiece in rotary ultrasonic machining (RUM). In this study, an impedance model of the ultrasonic transducer is established by the electromechanical equivalent approach. The impedance model not only facilitates the structure design of the ultrasonic transducer, but also predicts the effects of different mechanical structural dimensions on the impedance characteristics of the ultrasonic transducer. Moreover, the effects of extension length of the machining tool and the tightening torque of the clamping nut on the impedance characteristics of the ultrasonic transducer are investigated. Finally, through experimental analysis, the impedance transfer function with external force is established to analyze the dynamic characteristics of machining process.
ISSN: 1424-8220
DOI: 10.3390/s19061405
Rights: © 2019 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access
The following publication Zhang J-G, Long Z-L, Ma W-J, Hu G-H, Li Y-M. Electromechanical Dynamics Model of Ultrasonic Transducer in Ultrasonic Machining Based on Equivalent Circuit Approach. Sensors. 2019; 19(6):1405 is available at
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