JPH0337204U

JPH0337204U -

Info

Publication number: JPH0337204U
Application number: JP9875689U
Authority: JP
Priority date: 1989-08-24
Filing date: 1989-08-24
Publication date: 1991-04-11

Description

[Brief explanation of drawings]

第１図は本考案による回転機翼の一例を示す斜
視図、第２図は第１図の−線断面図、第３図
は第１図の−線断面図、第４図はプレス成形
する前の回転機翼を示す斜視図、第５図はその芯
金を示す斜視図、第６図は第４図の部を拡大し
て示す詳細図、第７図は第４図の回転機翼をプレ
ス成形する状態を示す図、第８図はプレス成形し
た直後の回転機翼を示す斜視図、第９図、第１０
図及び第１１図は従来の回転機翼の異なる三例を
示す斜視図である。１……回転機翼、２……空気孔、３……芯金、
４……薄板積層体、５……ダイス。 Fig. 1 is a perspective view showing an example of a rotary machine blade according to the present invention, Fig. 2 is a sectional view taken along the - line in Fig. 1, Fig. 3 is a sectional view taken along the - line in Fig. 1, and Fig. 4 is a press forming. FIG. 5 is a perspective view showing the core metal, FIG. 6 is an enlarged detailed view of the part shown in FIG. 4, and FIG. 7 is the rotor blade shown in FIG. 4. Fig. 8 is a perspective view showing the rotary machine blade immediately after press forming, Fig. 9, Fig. 10
1 and 11 are perspective views showing three different examples of conventional rotary machine blades. 1... Rotating machine blade, 2... Air hole, 3... Core metal,
4...Thin plate laminate, 5...Dice.

Claims

[Scope of utility model registration request]

1. A rotary machine blade comprising a hollow core metal having a large number of air holes and a thin plate laminate having a honeycomb structure enclosing the core metal, which are press-molded and integrated.