Abstract
Electrolytic plasma polishing may be used to improve the surface quality of ЭП517ш steel after wire-cut electrical discharge machining (EDM). With increase in polishing time from 0 to 900 s, the surface roughness Ra declines by almost 70%. Surface destruction of the sample under the action of microplasma discharges is most intense on sections with 20°–30° tooth sharpening. In using wire-cut electrical discharge machining with subsequent electrolytic plasma polishing, the destruction of thin sections of the machined workpiece under the action of microplasma discharges must be taken into account, with correction of the workpiece size in wire-cut electrical discharge machining.
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Funding
This research was carried out with the financial support of the Ministry of Science and Higher Education of the Russian Federation in the framework of the program of activities of the Perm Scientific and Educational Center “Rational Subsoil Use.”
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Translated by B. Gilbert
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Ablyaz, T.R., Muratov, K.R., Osinnikov, I.V. et al. Electrolytic Plasma Polishing and Wire-Cut Electrical Discharge Machining. Russ. Engin. Res. 41, 865–867 (2021). https://doi.org/10.3103/S1068798X21090045
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DOI: https://doi.org/10.3103/S1068798X21090045