TOOL FOR SURFACE PLASTIC DEFORMING Russian patent published in 1997 - IPC

FIELD: surface plastic deforming of small-diameter openings of low-rigid machine parts. SUBSTANCE: tool includes body, rotor arranged in said body with possibility of rotation, jaws made of magnetic material and defining annular chamber; deforming members mounted in said annular chamber with possibility of three-dimensions motion; device for speeding up deforming members in the form of annular magnet, coupling and electric motor. Tool also has flange made of non-magnetic material. Rotor of tool is building one; its one part is made of magnetic material, another - of non-magnetic material. Said jaws are arranged on magnetic part of rotor. Annular magnet is pressed-in opening of flange secured to tool body. Said annular magnet embraces cantilever of magnetic part of rotor. Magnet opening and rotor surface are joined by clearance fit. EFFECT: improved design. 1 dwg