| 摘要 |
FIELD: plastic metal working, possibly manufacture of profiled articles, mainly tubes with minimum lengthwise curvature. SUBSTANCE: tool includes die holder in turning of which die and backing are placed; supporting ring joined by means of lock with guiding tube. Backing has cylindrical turning coaxial relative to die holder. Guiding tube has cylindrical protrusion joined with cylindrical turning of backing. EFFECT: possibility for making article with minimum stable value of lengthwise curvature due to rational arranging of guiding tube. 1 dwg |
