MONITORING OF PHYSICAL PARAMETERS DURING THE PROCESSING OF CEMENTED CARBIDE END MILLS USING PLASMA DISCHARGE IN ELECTROLYTE

Abstract

This study introduces an innovative Plasma Discharges in Electrolyte (PDE) as a novel method for cutting edge preparation of cemented carbide tools. Unlike traditional abrasive methods, PDE removes material through localized discharges in a vapor–plasma envelope, enabling non-contact edge rounding. The aim of the article is to evaluate observed parameters such as voltage, current, cutting edge radius during the PDE process. Experimental results on a 4-flute end mill show that edge radius develops non-linearly, with the highest material removal at the beginning. PDE proved up to 110% faster than drag finishing for larger radii.

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