Method of manufacturing dynamoelectric machine frame

Details Method of manufacturing dynamoelectric machine frame Method of manufacturing dynamoelectric machine frame

1989-08-11

1990-04-03

Godici, Nicholas P.

Metal fusion bonding

Process

With shaping

228179, 228183, 21912164, B23K 2602, B23K 2614, B23K 3102

Patent

active

049133373

ABSTRACT:
A method for manufacturing a dynamoelectric machine frame according to which heat dissipating fins made of metallic sheet bent to provide a joining portion are placed on an outer peripheral surface of a cylindrical frame main body. A laser beam is irradiated in the direction parallel to the contact surface between the portion of the heat dissipating fins to be joined on the frame main body and the outer peripheral surface of the frame main body. Thus, the laser welding of the heat dissipating fins to the frame main body is achieved without large thermal distortion of the frame main body.

REFERENCES:
patent: 2936517 (1960-05-01), Brown, Jr. et al.
patent: 3205560 (1965-09-01), Loehlein
patent: 3397440 (1968-08-01), Dalin
patent: 3427427 (1969-02-01), Rudd
patent: 4643346 (1987-02-01), Gotoh
patent: 4737612 (1988-04-01), Bruck et al.
patent: 4784312 (1988-11-01), Gotoh
Metals Handbook, Ninth Edition, vol. 6, pp. 647-649 and 663-665, American Society for Metals, 1983.

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