Primary investigations of the electrochemical micromachining process supported by electrode ultrasonic vibrations have been carried out. As a result the basic characteristic of this process and optimal process parameters for which surface roughness is minimal have been found. It has been proved that electrode ultrasonic vibrations help to decrease the surface roughness parameter Ra in comparison to the classical electrochemical process. The analyses of phenomena occurring in the machined area and indications for further investigations have been also presented.
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