LASER WELDING METHOD

PROBLEM TO BE SOLVED: To provide a laser welding method capable of forming a sound weld zone, when welding each base metal comprising a magnesium alloy.SOLUTION: A laser welding method, which is a laser welding method for welding each base metal M, M comprising a magnesium alloy, has a step of suppl...

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Bibliographische Detailangaben
Hauptverfasser:	YOSHIZAWA MASAAKI, KAWADA NAOKI, ISHIKAWA TAKESHI
Format:	Patent
Sprache:	eng ; jpn
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:	PROBLEM TO BE SOLVED: To provide a laser welding method capable of forming a sound weld zone, when welding each base metal comprising a magnesium alloy.SOLUTION: A laser welding method, which is a laser welding method for welding each base metal M, M comprising a magnesium alloy, has a step of supplying a filler wire F toward an irradiation position of a laser beam L to a welding scheduled part A of each base metal M, M. In the step, the filler wire F supplied toward the irradiation position is heated by a heater 12 by using a temperature of 90% or higher of a melting point of the filler wire F as a control target value.SELECTED DRAWING: Figure 1 【課題】マグネシウム合金からなる母材同士の溶接にあたって健全な溶接部を形成できるレーザ溶接方法を提供する。【解決手段】このレーザ溶接方法は、マグネシウム合金からなる母材Ｍ，Ｍ同士を溶接するレーザ溶接方法であって、母材Ｍ，Ｍ同士の溶接予定部分Ａに対するレーザビームＬの照射位置に向けてフィラーワイヤＦを供給する工程を有し、当該工程において、フィラーワイヤＦの融点の９０％以上となる温度を制御目標値として、照射位置に向けて供給するフィラーワイヤＦをヒータ１２によって加熱する。【選択図】図１