DETERMINATION OF EIGENFREQUENCIES FOR SOME ULTRASONIC HORNS SPECIFIC TO HYBRID ELECTROCHEMICAL MACHINING

Cornel-Cristian ENCIU, Liviu - Daniel GHICULESCU

Abstract


The paper deals with the modelling and simulation of some ultrasonic horns, each of them having attached a tool specific for electrochemical machining and micro electrochemical machining. The modelling and simulation were realized in COMSOL Multiphysics, in the module Eigenfrequency. The study provides information about the modelling steps, used parameters for each model developed and analyzed. A comparison was made between the own frequency of each ultrasonic horn, and the modified parameters to obtain the resonance frequency, considering the transducer used. Also, some charts regarding the amplification or elongation in relation to the length of ultrasonic horn were presented. Finally, the advantages and disadvantages were exposed, and some solutions of output technological parameters for further improvement.


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References


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