FIELD: process engineering.
SUBSTANCE: invention relates to machine building, particularly, to fine hardening of bores by surface plastic deformation. Proposed device comprises casing with deforming balls. Said deforming balls are arranged on faces of distance rods fitted to slide in radial blunt bores of said casing. Compression spring arranged said blunt bore acts on distance bar inner face. Said casing may perform sun-and-planet motion around planetary axis offset relative to main lengthwise axis.
EFFECT: higher efficiency of reaming and durability of device.
5 dwg
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