METHOD OF SURFACE PLASTIC DEFORMATION OF EMBRACING RINGS Russian patent published in 2006 - IPC B24B39/04 

FIELD: metal working.

SUBSTANCE: method comprises setting the deforming tool for permitting longitudinal feed and setting the blank to be worked in rotation. The deforming tool is made of at least two freely mounted embracing rings mounted in the bearings in the central openings of the holders movably mounted in the housing of the deforming tool by means of tension members made of compression springs mounted between the disks provided with the central openings for free passing of the blank to be worked. One disk is rigidly connected with the housing, and the other disk is secured to the face of the first disk by means of spacing bushings and screws.

EFFECT: expanded functional capabilities.

3 dwg, 1 ex