Methods of manufacturing of generator stator frames

Details Methods of manufacturing of generator stator frames Methods of manufacturing of generator stator frames

1993-08-27

1995-02-21

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

29558, 310 42, 310258, H02K 1514

Patent

active

053904095

ABSTRACT:
Dovetail connections on the interior faces of key bars are formed subsequent to the fabrication of the key bars in a generator stator frame assembly. A cutting tool is mounted on column for indexing a full 360.degree.. The tool is also mounted for vertical, radially inward and outward, and tangential movements. The stator frame is mounted about the column and extends vertically. The tool removes material from the interior faces of the key bars and along each side of the key bar to establish the width and depth of the tenon being formed. An angle cutter tool then provides angled cuts to provide the tapered surfaces on opposite sides of the key bar to form the flaring tenon of the dovetail connection. By forming the tenons subsequent to fabrication of the frame, high tolerances are maintained with respect to fitting mortises on the laminations.

REFERENCES:
patent: 1784643 (1930-12-01), Reist

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