Tooling die insert and rapid method for fabricating same

Details Tooling die insert and rapid method for fabricating same Tooling die insert and rapid method for fabricating same

1997-04-24

1999-08-10

Jenkins, Daniel J.

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Making composite or hollow article

419 42, 419 49, 75228, 75240, 75246, B22F 312, B22F 314

Patent

active

059372656

ABSTRACT:
A rapid method for fabricating a tooling die insert (71) is disclosed. A set of master parts (31, 32) in the shape of the insert is formed using stereolithography or other rapid prototyping techniques (106). The master parts are assembled and a flexible material is molded (109, 56, 57) in them to form a flexible mold (111, 61). The flexible mold is then filled (115) with metal powder and the powder is cold isostatically pressed (117) to solidify it and form a green part. The "green part" is then hot isostatically pressed (118) to form the densifyed tool.

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"Rapid Prototyping Report," CAD/CAM Publishing Inc., Jul. 1994, pp. 1-3.

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