Simulation demonstrates improved localization of machining in cylindrical workpieces, suggesting benefits despite reduced productivity.
The electrochemical machining (ECM) of the outer surface of rotating cylindrical workpiece by a cylindrical cathode with a partially insulated surface is simulated. It is shown that partial insulation of the surface of tool electrode (TE) allows increasing the localization of the metal dissolution on the desired area of the workpiece surface. The degree of localization is greater, the smaller the non-insulated part of TE and the minimum interelectrode gap at which the machining proceeds. Partial insulation of the TE surface leads to a certain decrease in the ECM productivity; however, the edge effect at the boundary between the insulated and non-insulated parts of TE partially compensates for this drawback.
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Vladimir M. Volgin (2025) studied this question.
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