Method of manufacturing electrical machinery having a rotor

Details Method of manufacturing electrical machinery having a rotor Method of manufacturing electrical machinery having a rotor

1975-10-06

1977-04-19

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

113120H, 310 42, 310 89, 310 90, H02K 1514

Patent

active

040179648

ABSTRACT:
An electrical machine, such as a motor or generator, with a rotor is manufactured by first deep drawing the housing as two separate members from sheet metal, such as steel sheet metal. As a result of the deep drawing, each housing member is provided with a bearing seating surface for the rotor bearing and at least one housing member is provided with a shoulder for the stator also as a result of the deep drawing. The parts of the machine are assembled by a press fit between the rotor bearings and the respective bearing seating surface and preferably also between the stator and at least one housing member. The housing members are secured to each other either by a press fit or by radially outwardly extending ears or lugs produced by said deep drawing.

REFERENCES:
patent: 2545335 (1951-03-01), Becker
patent: 3264506 (1966-08-01), Carlson et al.
patent: 3529874 (1970-09-01), Hoddy
patent: 3714705 (1973-02-01), Lewis

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