Methods of assembling electric motors with reduced end-play

Details Methods of assembling electric motors with reduced end-play Methods of assembling electric motors with reduced end-play

1988-09-20

1989-11-07

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

29732, 310 42, H02K 1514

Patent

active

048782890

ABSTRACT:
A method of manufacturing fractional horsepower motors involves using each stator to customize the length of a rotor/shaft to match the thickness of the specific stator with which it will be used. This is accomplished by providing a fixture which receives the stator in a gauging position. The rotor/shaft, with a compressible member thereon, is placed on the fixture which is then closed over a distance fixed by the gage formed by the stator. As the fixture closes, a compressible member is compressed to exactly fit the length of the rotor/shaft assembly to the stator thickness. The compressible member is a preferably nylon or metal plug which is pushed into a metal cup and mounted at the end of the rotor as the fixture closes.

REFERENCES:
patent: 3714705 (1973-02-01), Lewis
patent: 4023261 (1977-05-01), Piette

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