WELDING DEVICE

A welding device according to some embodiments includes a rotary table fixing overlapping two irregular shaped plates, a torch unit including a welding torch positioned to face outer peripheral edges of the two irregular shaped plates fixed to the rotary table, a torch actuator configured to move th...

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Bibliographische Detailangaben
Hauptverfasser: KITAGAWA, Hisashi, TAKEDA, Masato, OHTOMO, Toshinori, UENO, Yoshihiko, SHUDAI, Hideki, MIYAZAKI, Daisuke, KAMAE, Toshikazu, OOMASA, Yoshiyuki
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:A welding device according to some embodiments includes a rotary table fixing overlapping two irregular shaped plates, a torch unit including a welding torch positioned to face outer peripheral edges of the two irregular shaped plates fixed to the rotary table, a torch actuator configured to move the welding torch toward and away from the outer peripheral edges, an after-shielding part mounted to the welding torch on downstream side in a rotational direction of the rotary table and having nozzles arranged along the rotational direction, configured to jet shielding gas to the outer peripheral edges, and including a first nozzle positioned upstream and a second nozzle positioned downstream of the first nozzle in the rotational direction, and a controller configured to control an orientation of the nozzle in a direction of decreasing a shielding-gas-jetting distance between the second nozzle and the outer peripheral edges welded by the welding torch.