Electric heating – Metal heating – By arc
Patent
1993-05-27
1994-04-12
Shaw, Clifford C.
Electric heating
Metal heating
By arc
B23K 912
Patent
active
053028058
ABSTRACT:
The present invention relates to a device which is used to monitor the position of a filler wire relative to a base material being welded as the filler wire is added to a welding pool. The device is applicable to automated welding systems wherein nonconsumable electrode arc welding processes are utilized in conjunction with a filler wire which is added to a weld pool created by the electrode arc. The invention senses pressure deviations from a predetermined pressure between the filler wire and the base material, and provides electrical signals responsive to the deviations for actuating control mechanisms in an automatic welding apparatus so as to minimize the pressure deviation and to prevent disengagement of the contact between the filler wire and the base material.
Milly, Sr. Peter F.
Morris Timothy B.
White J. Kevin
Broad, Jr. Robert L.
Manning John R.
Miller Guy M.
Shaw Clifford C.
The United States of America as represented by the Administrator
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