Method of forming a rotor structure for electrical machine

Details Method of forming a rotor structure for electrical machine Method of forming a rotor structure for electrical machine

1997-01-09

1999-04-20

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

29447, 310 42, 310217, H02K 1502

Patent

active

058946543

ABSTRACT:
A method of producing a rotor structure for an electrical machine includes heating a plurality of annular plates and then placing the heated plates around an axle such that the plates shrink and attach to the axle, the plates buckling into the general shape of a truncated cone as they cool. The heated plates can be positioned on the axle individually or as a group, thus forming a rotor core packet of stampings around the axle.

REFERENCES:
patent: 1158463 (1915-11-01), Eaton
patent: 2169617 (1939-08-01), Schmidt
patent: 3417272 (1968-12-01), Hoy
patent: 3597835 (1971-08-01), Uccle et al.
patent: 3694906 (1972-10-01), Rank et al.
patent: 3842300 (1974-10-01), Daykin et al.

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