| 摘要 |
FIELD: metal pressure forming. SUBSTANCE: method comprising reduction of a blank by elastic medium onto a rigid punch, also includes steps of providing a wave of excess material on the blank before a final forming operation in such a way, that to create the excess material wave in zones of bending and (or) in places of possible loss of stability. EFFECT: enhanced quality of formed thin-wall parts, formed by such method. 2 cl, 2 dwg |
