Rotor shaft and method of manufacturing the same

Details Rotor shaft and method of manufacturing the same Rotor shaft and method of manufacturing the same

2006-09-27

2010-06-29

Banks, Derris H (Department: 3729)

Metal working

Method of mechanical manufacture

Electrical device making

C029S517000, C029S888025, C029S596000, C310S041000, C411S361000

Reexamination Certificate

active

07743484

ABSTRACT:
Disclosed is a method of manufacturing a rotor shaft including a rotor and a shaft having a groove formed on a periphery to open radially outwardly, the rotor being fixed to the shaft through a caulking plate disposed on the periphery of the shaft and adjacent the rotor in an axial direction thereof. This method comprises the step of caulking the caulking plate to fix the rotor to the shaft by applying a load to an end portion of the caulking plate from outside in a radial direction, opposite the groove, when the caulking plate is disposed in the predetermined place, causing a part of the caulking plate to be press-fitted into the groove. This caulking and fixing step includes pressing a punch against the caulking plate from outside in a radial direction of the shaft, thereby fixing the rotor to the shaft.

REFERENCES:
patent: 3872578 (1975-03-01), Ullom
patent: 4818166 (1989-04-01), Szukay et al.
patent: 2 067 850 (1981-07-01), None
patent: 50-119212 (1975-09-01), None
patent: 63-034311 (1988-02-01), None
patent: 2004-048925 (2004-02-01), None
patent: 2004048925 (2004-02-01), None
patent: 2004-357347 (2004-12-01), None
patent: 2004357347 (2004-12-01), None

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