Welding control system

Details Welding control system Welding control system

1977-10-11

1979-04-24

Reynolds, Bruce A.

Electric heating

Metal heating

By arc

21913031, B23K 910

Patent

active

041513967

ABSTRACT:
A switching system that provides means for a welder to make precise point arc strikes and to prevent a welder from receiving an electrical shock while he is inserting a welding electrode into the electrode holder. The system includes an automatically controlled switch which prevents uncontrolled open circuit voltage from existing at the electrode holder when the welding arc is interrupted. Additionally, the system includes a manually operated switch for reestablishing full potential on the electrode holder to facilitate striking an arc, with the flow of current to the welding arc being continuous as long as the arc is maintained after the manual switch is released.

REFERENCES:
patent: 1708072 (1929-04-01), Alexander
patent: 2249457 (1941-07-01), Catlett et al.
patent: 2964681 (1960-12-01), Anderson
patent: 3863046 (1975-01-01), Morales

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