FIELD: process engineering.
SUBSTANCE: invention relates to combined methods of metal working. Proposed method comprises separating the metal by jet process using free abrasive in water and anodic dissolution of allowance. It differs from known processes in that after metal separation, feed of abrasive is terminated to eliminate impregnation effect by feeding current-conductive fluid and current and removing allowance by anodic dissolution to depth of, at least, 2/3 of maximum grain size of abrasive used in jet process.
EFFECT: eliminated impregnation effect, higher quality of surface layer.
1 dwg, 1 ex
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