FIELD: machine engineering.
SUBSTANCE: method includes production of a blank and its subsequent reverse screw pressing. Prior to pressing, the blank is subjected to twisting by definite angle due to edges on its surface, then the twisted blank is placed in a die supporting blank faces onto its inner contour and reverse screw pressing is performed by a punch along the axis of twisting to preset size of the blank. At that, twisting and reverse screw pressing are carried out multiple times until specified size of the crystal structure of the blank is reached, and the number of twisting revolutions and degree of single deformation at reverse screw pressing are set depending on metal plastic properties.
EFFECT: production of article with improved mechanical properties due to increased rate of blank deformation.
3 cl, 1 dwg
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