Friction stir welding tool

The utility model discloses a friction stir welding tool which comprises a base provided with a workpiece bearing table; the main pressing device is arranged on the base, the main pressing device comprises a covering type abutting piece and a first downward pressing driving mechanism, the covering t...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LIAO HAOYAN, BIN WEI, YANG ZHENGTIAN, XUE SONGPING, LI FENGYUAN, ZHONG JUNYING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	The utility model discloses a friction stir welding tool which comprises a base provided with a workpiece bearing table; the main pressing device is arranged on the base, the main pressing device comprises a covering type abutting piece and a first downward pressing driving mechanism, the covering type abutting piece can move up and down in a translation mode relative to the base, the covering type abutting piece is used for pressing a workpiece arranged on the workpiece bearing table, and the first downward pressing driving mechanism is used for providing downward pressing force for the covering type abutting piece; and the secondary pressing device is arranged on the base, the secondary pressing device comprises a pressurizing part and a second downward pressing driving mechanism, the pressurizing part is used for being connected with the covering type abutting part in an abutting mode, and the second downward pressing driving mechanism is used for providing vertically-downward force for the pressurizing pa