Method of manufacturing a wax pattern of a bladed rotor

Details Method of manufacturing a wax pattern of a bladed rotor Method of manufacturing a wax pattern of a bladed rotor

1991-01-29

1992-06-23

Chiesa, Richard L.

Plastic and nonmetallic article shaping or treating: processes

With step of making mold or mold shaping, per se

264225, 264227, 264300, 264313, 264DIG44, B29C 3340

Patent

active

051241056

ABSTRACT:
In the manufacture of a wax pattern for use in the lost wax casting of a bladed rotor of the radial flow type, the bladed region of a master pattern is enclosed by a curable epoxy resin/aluminium powder composition. Sufficient of the cured resin composition is then machined away so that a plurality of resin composition segments are defined, one segment being interposed between adjacent blades on the master pattern. The segments are then removed from the master pattern and placed in an appropriately configured die member so as to define a complete die for the production of a wax pattern in the form of the master pattern.

REFERENCES:
patent: 3678987 (1972-07-01), Kydd
patent: 4062396 (1977-12-01), Day
patent: 4489469 (1984-12-01), Hall
patent: 4556528 (1985-12-01), Gersch et al.
patent: 4682643 (1987-07-01), Bernhardt et al.

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