Electric arc welding process for filling a weld groove to a pred

Details Electric arc welding process for filling a weld groove to a pred Electric arc welding process for filling a weld groove to a pred

1986-03-05

1988-01-26

Shaw, Clifford C.

Electric heating

Metal heating

By arc

21912402, 21912432, 21913021, 21913771, B23K 912

Patent

active

047218444

ABSTRACT:
In order to maintain the degree of filling of weld seams constant, especially those seams having a changing size of the cross section of the weld groove, in arc welding, the spacing of the welding gun from the workpiece is kept constant, the welding amperage and/or the welding voltage are measured, and the thus-measured value for the welding amperage or the welding voltage, respectively, is compared with a predetermined set value corresponding to the desired degree of filling. In case of a deviation of the measured value from the predetermined set value, the welding speed and/or the welding output are changed correspondingly.

REFERENCES:
patent: 3612818 (1971-10-01), Bechtle
patent: 4000374 (1976-12-01), De Keyser
patent: 4005308 (1977-01-01), Chaney et al.
patent: 4302655 (1981-11-01), Edling
patent: 4302656 (1981-11-01), Poth et al.
patent: 4326155 (1982-04-01), Griebeler
"National Swedish Board for Technical Development", New Swedish Technology, vol. 1, No. 1, 1981, pp. 1-3.

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