СПОСОБ ИЗГОТОВЛЕНИЯ ШПИЛЬКИ С ШЕСТИГРАННИКОМ И БУРТИКОМ НА ГЛАДКОЙ ЧАСТИ СТЕРЖНЯ, ИМЕЮЩЕГО РЕЗЬБУ ИУЧАСТОК МАЛОГО ДИАМЕТРА С ОДНОЙ СТОРОНЫ

摘要

FIELD: technological processes; plastic working. ^ SUBSTANCE: invention is related to metal plastic working and may be used for manufacturing of parts such as pins in cold-forming devices of AB1920 type. After stock in the form of rod in received by cutting, in two stages small diameter part is pressed out on one side, and on the other side the rod is reduced. Simultaneously the smooth part of rod is calibrated. Then consecutively bead is formed on the smooth part, and hexahedron is obtained. For that purpose smooth part is reduced with preservation of previously received dimensions of rod and bead. In the last stage threading is rolled. As a result the method efficiency is increased by increasing coefficient of metal recovery, labour intensiveness is reduced and quality of manufactured parts in increased. ^ EFFECT: increases efficiency and reduces labour intensiveness of processing method. ^ 1 dwg