The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 13, 2015
Filed:
Apr. 02, 2010
Kimiya Sato, Hyogo, JP;
Atsuhiro Kawamoto, Hyogo, JP;
Akira Nakagawa, Osaka, JP;
Junji Fujiwara, Osaka, JP;
Kimiya Sato, Hyogo, JP;
Atsuhiro Kawamoto, Hyogo, JP;
Akira Nakagawa, Osaka, JP;
Junji Fujiwara, Osaka, JP;
Panasonic Corporation, Osaka, JP;
Abstract
A welding control method alternately repeats a short circuit period, during which a welding wire and an object to be welded short-circuit, and an arc period, during which an arc is generated and discharged, to weld the object to be welded. The method compares average output voltage, which is an average of welding voltage calculated during welding, to set voltage preliminarily set, and controls a welding output current produced when an arc is generated based on the comparison result therefrom, to regulate the meltage of the wire for adjusting the arc length, which brings the short circuit cycle closer to a constant one when a disturbance (e.g. extended or shortened arc length) occurs.