Electric heating – Metal heating – By arc
Patent
1979-06-18
1981-02-10
Albritton, C. L.
Electric heating
Metal heating
By arc
219121LF, 219121LQ, 219121LR, 219121LS, 219121LT, 219121EG, B23K 2700, B23K 1500
Patent
active
042503728
ABSTRACT:
A first high energy beam is projected against a first flank surface of a substantially V-shaped steel surface, and simultaneously thereto a second a high energy beam is projected against a second flank surface of the V-shaped surface. The high energy beams may be electron beams or laser beams and may be provided from a single source or separate sources. The separate high energy beams are projected against the respective flank surfaces at angles as close as possible to vertical thereto, thereby subjecting the flank surfaces to a heat treatment to form a hardened layer.
REFERENCES:
patent: 3593973 (1971-07-01), Dehn
patent: 4026732 (1977-05-01), Dammel et al.
patent: 4151014 (1979-04-01), Charschan et al.
E. Locke, et al., IEEE Journal of Quantum Electronics, "Metal Processing With A High-Power CO.sub.2 Laser", vol. QE-10, No. 2, pp. 179-185, Feb. 1974.
D. Dreger, Machine Design, "Pinpoint Hardening By Electron Beam", vol. 50, No. 24, pp. 89-94, Oct. 1978.
E. V. Locke, et al., Research Report 398 Avco Everett Research Laboratory,Inc., "High Power Lasers For Metal Working", pp. 1-39, 1974.
Albritton C. L.
Sumitomo Kinzoku Kogyo Kabushiki Gaisha
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