Apparatus for assembling an electric motor employing a casing bo

Metal working – Means to assemble or disassemble – Means to assemble electrical device

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228154, 310 89, 310 90, 310 91, H02K 1514

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058422714

ABSTRACT:
There is provided an apparatus for assembling an electric motor capable of equalizing a gap formed between a stator and a rotor even when a casing body has low dimensional accuracy. In assembling an electric motor, such as an electric motor section of a scroll compressor to be employed in an air conditioner, outer diameters of bearings are made smaller than an inner diameter of the casing body. In a first assembling machine, a first bearing is welded to the casing body with a center of an inner peripheral surface of the stator aligned with a center of the first bearing. A rotary shaft around which the rotor is mounted, is inserted into a center portion of the casing body. In a second bearing assembling machine, a second bearing is welded to the casing body with the center of the first bearing aligned with a center of the second bearing. Consequently, an electric motor can be produced in which the stator, the first bearing, and the second bearing are concentrically aligned with each other.

REFERENCES:
patent: 3165816 (1965-01-01), Thompson et al.
patent: 3172197 (1965-03-01), Rutledge
patent: 5127148 (1992-07-01), Lykes et al.

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