Method of manufacturing electric motor housing frame and foam pa

Details Method of manufacturing electric motor housing frame and foam pa Method of manufacturing electric motor housing frame and foam pa

1998-07-15

2000-08-29

Pyon, Harold

Metal founding

Process

Shaping a forming surface

164 35, 164 36, 164 45, B22C 902, B22C 700

Patent

active

061093335

ABSTRACT:
Housing frames for use in electromechanical machines may be advantageously produced using a novel pattern form in a lost foam casting process. The pattern form is made from a cast dissolvable material, and is configured to permit easy modification prior to casting. The pattern form may be adapted to produce footed or footless housing frames, or housing frames of various axial lengths. In addition, the frame area on which a conduit box will be attached can be easily modified prior to casting. After the pattern form has been modified, it is placed in a casting medium of dry particulate material, such as sand. Upon contact with molten metal, the pattern form vaporizes. The molten metal fills the space where the pattern form had been, assuming the desired shape. After the molten metal has cooled to rigidity, the resulting housing frame can be removed from the casting medium.

REFERENCES:
patent: 3942583 (1976-03-01), Baur

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