Method for joining transformer coil conductors

Details Method for joining transformer coil conductors Method for joining transformer coil conductors

1990-12-26

1992-04-14

Heinrich, Samuel M.

Metal fusion bonding

Process

Using high frequency vibratory energy

228179, B23K 2010

Patent

active

051040280

ABSTRACT:
A method of joining transformer winding conductor cables is disclosed. The ends of the conductor cables to be joined are first chamfered to both clean and taper the respective ends. The tapered ends are then overlapped and pressed together. Vibratory energy is then applied to at least one of the overlapped ends to weld the cleaned conductor cable ends together to form a joint that has substantially the same cross sectional area as the conductor cables themselves.

REFERENCES:
patent: 411637 (1889-09-01), Batchelor et al.
patent: 1146612 (1915-07-01), Carter
patent: 3336657 (1967-08-01), Flaming
patent: 3634649 (1972-01-01), Rager et al.
patent: 4219249 (1980-08-01), Teytaud
patent: 4867370 (1989-09-01), Welter et al.
IEEE Transactions on Magnetics, "Joining NbTi Superconductors by Ultrasonic Welding", Hafstrom et al., vol. MAG 13, No. 1, Jan. 1977.
Supplement to the Welding Journal, "Diffusion Welding Multifilament Superconductor Composites", Witherell, Charles E., Jun. 1978.
Metals Handbook Ninth Edition, vol. 6, "Ultrasonic Welding", pp. 746-756, copyright 1983.

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