Title:
MOLD FOR CASTING IMPELLER
Document Type and Number:
Japanese Patent JP3232333
Kind Code:
B2
Abstract:
PURPOSE: To easily enable casting in a low cost even in the case of being an impeller arranged by overlapping twist-shaped blades and to enable the casting of an optional shaped blade without casting flash at the blade part.
CONSTITUTION: A divided mold block simple body 21 divided with a parting surface 22 passing a position having the prescribed distance outward from a front end edge 14 and a rear end edge 15 of mutually overlapped blades 12 in almost perpendicular and having the upper forming surface 23 of the one blade 12 and the lower forming surface 24 of the adjacent blade, is formed with consuming molding material of molding sand, etc., By assembling the same number of the divided mold block simple bodies 21 as the number of the blades 12, the mold for casting the impeller 10 is constituted.
Inventors:
Kawahara Yasuhiro
Mikio Kamitake
Michio Sakamoto
Mikio Kamitake
Michio Sakamoto
Application Number:
JP35582692A
Publication Date:
November 26, 2001
Filing Date:
December 18, 1992
Export Citation:
Assignee:
Kawasaki Heavy Industries, Ltd.
International Classes:
B22C9/22; (IPC1-7): B22C9/22
Domestic Patent References:
| JP5668548A | ||||
| JP6154951A |
Attorney, Agent or Firm:
Yasutake Ooto