| 摘要 |
FIELD: plastic metal working, namely, forming parts of tubular blanks, possibly in airplane manufacture, ship building and allied industry branches. SUBSTANCE: apparatus for expanding tube end includes rigidly secured tie rod, cross piece mounted with possibility of motion along tie rod, punch mounted on free end of tie rod. At least three tubular blanks are placed on tie rod. Cross piece has ring between each pair of tubular blanks. Free space between tubular blanks is filled by viscous mixture. EFFECT: increased shaping degree at expanding tube ends. 1 dwgp |
