Welding method

Details Welding method Welding method

1974-05-06

1976-03-16

Truhe, J. V.

Electric heating

Metal heating

By arc

219 74, B23K 900

Patent

active

039447812

ABSTRACT:
A welding method including the steps of feeding a consumable electrode of at least 1/8 -inch diameter at a constant speed toward a parent metal to be welded, while maintaining, with electrical power at an amperage-voltage characteristic having a slope of 0 to 2 amperes/volt, a direct current arc between the consumable electrode and parent metal, and while maintaining a shielding gas flow at the arc and on molten metal, wherein the electrical power is connected between the consumable electrode and the parent metal in reverse polarity, wherein the speed of the consumable electrode toward the parent metal to be welded is controlled within plus or minus 1/2% of the desired speed, and wherein the power source providing the electrical power has a dynamic regulated output current of plus or minus 5%.

REFERENCES:
patent: 2504868 (1950-04-01), Muller et al.
patent: 3019327 (1962-01-01), Engel
patent: 3047713 (1962-07-01), Liptak
patent: 3325626 (1967-06-01), Sargent
Taylor Lyman, ed., Metals Handbook, Vol. 6, 1971, pp. 298, 299, 308, 309.

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