Control and monitor for rotating arc welder

Details Control and monitor for rotating arc welder Control and monitor for rotating arc welder

1974-10-29

1976-09-14

Grimley, Arthur T.

Electric heating

Metal heating

For bonding with pressure

219 97, 219110, B23K 1102

Patent

active

039808572

ABSTRACT:
A method and apparatus for monitoring parameters which control the quality of welds made by the rotating arc method. Total electrical energy delivered to the parts being welded is controlled and its analog divided by the time during which this energy was applied to obtain average rate of energy delivered. Total mechanical work done on parts being welded and the mechanical relative displacement of machine platens is measured and work analog is divided electronically by the displacement analog to determine average mechanical work per unit of displacement. The two averages thus obtained are compared to preset levels of average electrical energy and mechanical work which have been established empirically. Indicators warn the operator of any variation from the norm. Separate indications and comparisons are also made of each of the parameters.

REFERENCES:
patent: 3287539 (1966-11-01), Stevens
patent: 3484578 (1969-12-01), Sciaky
patent: 3609285 (1971-09-01), Scarpelli
patent: 3612811 (1971-10-01), Lifshits et al.
patent: 3681563 (1972-08-01), Lifshits et al.
patent: 3727822 (1973-04-01), Umbaugh
patent: 3748431 (1973-07-01), Melbard et al.

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