WELDING TORCH

To provide a compact welding torch in which a motor can be easily replaced, in which, when a motor capable of high-speed welding is used for a long time in a high current region, heat generated by the motor can be sufficiently cooled, and in which the motor can be protected from spatters or the like...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KAWAMOTO Atsuhiro, NAGAI Takashi, FUKUMITSU Yoichi, MATSUI Kaito
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:To provide a compact welding torch in which a motor can be easily replaced, in which, when a motor capable of high-speed welding is used for a long time in a high current region, heat generated by the motor can be sufficiently cooled, and in which the motor can be protected from spatters or the like.A first cooler that cools a first side surface of a motor parallel to a shaft of the motor and a second cooler that cools a second side surface of the motor different from the first side surface are included. The first cooler has a first inflow port and a first outflow port for a cooling fluid, and a first flow passage that connects the first inflow port and the first outflow port. The second cooler has a second inflow port and a second outflow port for the cooling fluid, and a second flow passage that connects the second inflow port and the second outflow port. The first outflow port and the second inflow port open in a direction crossing the shaft of the motor and are connected to each other directly or indirectly.