TOOL FOR MACHINING CYLINDRICAL HOLES BY METHOD OF SURFACE PLASTIC DEFORMATION Russian patent published in 1997 - IPC

FIELD: mechanical engineering; finishing by plastic metal working method; tool for finishing and strengthening machining of cylindrical holes. SUBSTANCE: tool has tip installed in housing and provided with inserts with deforming members, support cone mounted for axial reciprocation, and unit for self-alignment of tip relative to machined surface. Inserts are installed for radial displacement relative to longitudinal axis of housing. Self-alignment unit is made in form of ball pin with lock installed in housing by means of spherical support, and spherical bushing arranged inside pin. Pin is provided with axial hole accommodating rod coupled with support cone. EFFECT: improved quality of finishing. 3 cl, 2 dwg