STIRRING PIN, FRICTION STIR WELDING TOOL, AND MACHINE TOOL

A stir pin includes: a base end portion holdable by a pin holder; a stirring portion rotatable about a first axis relative to a shoulder member; and an intermediate portion provided between the base end portion and the stirring portion and rotatable about the first axis together with the stirring po...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	MINATANI, Masayasu, OUCHI, Seigo, MURAKAMI, Toru, MATSUBARA, Eiji
Format:	Patent
Sprache:	eng ; fre ; ger
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:	A stir pin includes: a base end portion holdable by a pin holder; a stirring portion rotatable about a first axis relative to a shoulder member; and an intermediate portion provided between the base end portion and the stirring portion and rotatable about the first axis together with the stirring portion. The intermediate portion includes a first portion and a second portion that is provided further in a first direction than the first portion. The first direction is defined as a direction from the base end portion toward the stirring portion. The first portion includes a protrusion protruding beyond an outer surface of the second portion in a direction away from the first axis. The protrusion has a surface that is pointed in the first direction and defines a ring-shaped receiving surface that receives a material waste generated as a result of a friction stirring.