| 摘要 |
PURPOSE: A method for manufacturing the rotating unit of a rotating device is provided to improve welding strength of blades and shroud segments and minimize the HAZ(Heat Affected Zone) of base materials due to welding heat source. CONSTITUTION: A method for manufacturing the rotating unit of a rotating device is as follows. A plurality of blades(113) and a plurality of shroud segments(120a) are prepared. Each shroud segment is temporally fixed in one blade. Filler metal is injected in a weld groove(g) between shroud segments near each other in one blade and laser welding is operated. |
