Method of joining shaft sections

Details Method of joining shaft sections Method of joining shaft sections

1978-09-06

1980-06-17

Crane, Daniel C.

Metal fusion bonding

Process

With shaping

228189, 228216, 228232, 219 761, B23K 3102

Patent

active

042080037

ABSTRACT:
A method of joining shafts is disclosed in which a welded joint is formed between the shaft ends of, for example, a turbine and a generator inside of an assembled turbogenerator structure. A built-up weld portion is provided on the end of each shaft, which is machined to form a welding groove. During installation of the equipment, such as a turbogenerator arrangement, a welding ring is placed onto the end of one shaft. Welding powder is deposited in recesses formed between the shafts and the welding ring. The second shaft is then pressed against the welding ring. The shaft sections are preheated and the groove is supplied with welding material to join the sections while the shafts are being rotated. After completion of the weld, the seam is checked for structural integrity.

REFERENCES:
patent: 2233455 (1941-03-01), Larson
patent: 2258913 (1941-10-01), Stone
patent: 2416379 (1947-02-01), Cohn
patent: 2963129 (1960-12-01), Eberle
patent: 3002191 (1961-09-01), Thielsch
patent: 4060883 (1977-12-01), Coulon et al.

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