Method of plugging armature slots

Details Method of plugging armature slots Method of plugging armature slots

1975-03-05

1976-11-09

Hoag, Willard E.

Plastic and nonmetallic article shaping or treating: processes

With severing, removing material from preform mechanically,...

Flash or sprue removal type

264162, 264251, 264254, 264267, 264272, 264274, 264310, 264331, H02K 1506, H02K 1512, B29D 300, B29F 500

Patent

active

039911527

ABSTRACT:
To form winding slot plugs in a dynamoelectric machine armature, viscous uncured plastic is fed onto the cylindrical surface of the armature core, intermediate its ends, while the armature is rotated in contact with a paddle that wipingly forces the plastic into the winding slots. Preferably this is done simultaneously with coating the windings. The viscous plug material comprises the same plastic used for coating the windings, but admixed with enough inert powered material to be nonflowing.

REFERENCES:
patent: 1182982 (1916-05-01), Crump
patent: 1416987 (1922-05-01), Sharpe
patent: 1524915 (1925-02-01), De Bay
patent: 1751430 (1930-03-01), Thomson
patent: 1902551 (1933-03-01), Fredrickson
patent: 2368085 (1945-01-01), Barbieri
patent: 3071496 (1963-01-01), Fromm et al.
patent: 3129349 (1964-04-01), Ervin
patent: 3182219 (1965-05-01), Quinn
patent: 3689280 (1972-09-01), Werner
Randolph et al, Plastics Engineering Handbook, Reinhold, (1960) pp. 217-222.

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