TOOL FOR SURFACE STRENGTHENING OF LARGE-MODULE WHEELS BY PLASTIC DEFORMATION Russian patent published in 2003 - IPC

FIELD: mechanical engineering, in particular, strengthening of various parts having alternatively positioned slots and ridges. SUBSTANCE: tool has two strengthening members. First member made in the form of toothed wheel with number of Z teeth equal to 22, m=10, is adapted for strengthening of tooth involute portions, and is made from steel of HRC hardness of 63-64. Second member is adapted for strengthening of teeth bases, is made from steel with hardness HRC of springy portion of 43-48 and of gauging portions of hard alloy. Tool is used in mechanical engineering enterprises, in particular, in repair shops of railway stations. EFFECT: improved quality and enhanced reliability in operation of wheels processed by said tool. 4 dwg