FABRICATION OF A HOLLOW FAN BLADE COMPRISING A BATHTUB-SHAPED TIP

摘要

the invention relates to a process for the manufacture of a light metal hollow, containing at least one side wall, and a top in the shape of a bathtub.with (a) manufactured by casting a light hollow, containing at least one side wall.and the top is opened; (b) to produce a laminate plate containing at least a metal brazing material, and a light related plate; and (c) at the top of the side wallthe dawn of under pressure of the plate on the dawn and (d) using the bathtub, comprising at least one substance and at least one protrusion in the base plate.the dawn had previously produced with an open top, the core may be maintained, at the time of casting, the top.this allows greater precision in the positioning of the nucleus and in the thickness of the walls of the dawn.