Laser welding method for electrical wire connection to a termina

Details Laser welding method for electrical wire connection to a termina Laser welding method for electrical wire connection to a termina

1979-01-25

1980-10-28

Albritton, C. L.

Electric heating

Metal heating

By arc

338329, B23K 2700

Patent

active

042309301

ABSTRACT:
A method for welding an electrical lead wire to a terminal pin with the use of a laser beam. The method is particularly designed for use in welding an electrical lead wire of an exhaust gas sensor to a terminal pin having an opening through which the electrical lead wire extends to the exterior of the pin. The lead wire may be made of nichrome material and the terminal pin from leaded steel. The laser beam is positioned vertically above the extended portion of the lead wire and its focal point is above the end of the lead wire. No separate filler metal is required since the lead wire material is itself available as a filler material.

REFERENCES:
patent: 3132238 (1964-05-01), Wiley, Jr. et al.
patent: 3304403 (1967-02-01), Harper
patent: 3668367 (1972-05-01), Keller et al.
patent: 3944777 (1976-03-01), Porat
patent: 4003014 (1977-01-01), Branson et al.
patent: 4136258 (1979-01-01), Hansler
S. R. Bolin et al., SME Publication, "Precision Pulsed Laser Welding", MR 75-751 (1975).
David C. Anderson, SME Publication," Laser Welding and Cutting Systems," MR 76-856 (1976).
Simon L. Engel, SME Publication, "Tooling Up for Laser Welding," MR 76-873 (1976).
James H. Mason, et al., SME Publication, "Spot and Continuous Welding with Solid State Lasers, "MR 74-955 (1974).

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