Assembling electric motors with reduced end-play

Details Assembling electric motors with reduced end-play Assembling electric motors with reduced end-play

1990-07-10

1991-09-24

Beha, William H.

Electrical generator or motor structure

Dynamoelectric

Rotary

29598, 310 49R, 310259, H02K 1516, H02K 526

Patent

active

050516329

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: 4164674 (1979-08-01), Buckman et al.
patent: 4455498 (1984-06-01), DeSisto
patent: 4818910 (1989-04-01), Reisenweber
patent: 4878289 (1989-11-01), Lautner et al.

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