摘要 |
PURPOSE: A metal product having an internal space and a method for manufacturing the same are provided to easily form a complex shape of internal space and improve cooling efficiency. CONSTITUTION: A metal product having an internal space comprises a metal product body(110) formed with a first space(111) therein, a space forming member(120) which is installed in the metal product body and formed with a second space(125) connected to the first space, and a finishing part(130) which covers the space forming member installed in the metal product body. |