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Micro Ultrasonic Elliptical Vibration Cutting (I) The Generation of a Elliptical Vibration Cutting Motion for Micro Ultrasonic Machining  

Loh Byung-Gook (한성대학교 기계시스템공학과)
Kim Gi Dae (대구가톨릭대학교 기계자동차공학부)
Publication Information
Journal of the Korean Society for Precision Engineering / v.22, no.12, 2005 , pp. 190-197 More about this Journal
Abstract
For precise micro-grooving and surface machining, a mechanism for creating elliptical vibration cutting (EVC) motion is proposed which uses two parallel piezoelectric actuators. And based on its kinematical analysis, variations of EVC path are investigated as a function of dimensional changes in the mechanism, phase difference and amplitude of excitation sinusoidal voltages. Using the proposed PZT mechanism, various types of two dimensional EVC paths including one dimensional vibration cutting path along the cutting direction and thrust direction can be easily obtained by changing the phase lag, the amplitude of the piezoelectric actuators, and the dimension of the mechanism.
Keywords
Elliptical vibration cutting(EVC); Piezoelectric actuator; PZT mechanism; Phase lag; Amplitude;
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