FIELD: drawing processes and equipment.
SUBSTANCE: method comprises steps of preliminarily forming on article detent having pointed and cone portions; further drawing of article through one-piece draw plate. Reduced stress of drawing is achieved due to optimized angle of inclination of generatrix of working duct of draw plate. Said inclination angle is normalized with use of mathematical relation taking into account elongation factor, outer friction coefficient in deformation zone.
EFFECT: reduced energy consumption of drawing process, increased single reduction values, improved quality of drawn articles for making rods and wire.
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RU2126731C1 |
