FIELD: machine engineering, possibly machine part strengthening. SUBSTANCE: method comprises steps of imparting torque to blank and rolling it around by means of cylindrical roller; at rolling around process applying constant radial effort and braking moment to roller; at applying braking moment providing increased tangential transfer of blank metal. EFFECT: improved surface hardness of blank due to elimination of roller slipping on metal surface. 1 dwg, 1 ex
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