Electric heating – Metal heating – By arc
Patent
1979-11-21
1981-11-24
Shaw, C. C.
Electric heating
Metal heating
By arc
21912402, 21913031, B23K 910
Patent
active
043026567
ABSTRACT:
The power (performance) of an electric arc welder is controlled in dependence upon the changes in the level of the pool of weldment with respect to the level of the adjoining surfaces of the workpiece. The level of the pool of weldment is detected by measuring the arc voltage and, in accordance with the invention, the distance between the end of the fusible electrode and the level of the workpiece upper surfaces adjoining the pool is maintained constant.
REFERENCES:
patent: 3426175 (1969-02-01), Hahne
patent: 3511966 (1970-05-01), Bone
patent: 4015101 (1977-03-01), Hannappel et al.
Hildebrandt Peter
Klett Horst
Pawlik Rudolf
Poth Leonhard
Linde Aktiengesellschaft
Ross Karl F.
Shaw C. C.
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