| 摘要 |
FIELD: plastic metal working, namely sheet forming. SUBSTANCE: die set for drawing complex shape parts includes punch, lower die, holder and members for braking sheet blank. Said members are in the form of constricted rib secured to holder and groove provided in lower die and having shape corresponding to that of rib. Constricted rib has rectangular cross section with radius roundings and it is arranged on adjusting gasket with possibility of vertical motion. Depth of said groove is equal to maximum height of constricted rib at taking into account wear and technological gap. EFFECT: metal economy, lowered cost of die tool, simplified adjustment and restoration of die sets. 2 dwg
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