| 摘要 |
FIELD: machine building. ^ SUBSTANCE: hollow blade of turbomachine includes hollow feather. In inner cavity of blade on the back or on the trough there are conical hollows with radius roundings. At that, height of hollow is 70Ç80% of blade wall thickness, radius of hollow is 0.3Ç2.0 mm, and rounding radius at the bottom of hollow is 0.3Ç3.0 mm. ^ EFFECT: improving reliability and simplifying the manufacture of hollow blade by additional attachment of ceramic rod. ^ 3 dwg |
