Laser processing method capable of reducing pore defects

The invention relates to a laser welding pore suppression method and system. Comprising the following steps: providing a first base material and a second base material; providing a laser welding system which comprises a laser generator, a transmission optical fiber, a laser welding head and a manipu...

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Bibliographische Detailangaben
Hauptverfasser:	ZHANG MINGJUN, CHENG BO, CHEN TIANYAO, YANG PING, HU YONGLE, DAI LONGZHOU, WANG MAO, XIE ZHIZHOU
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 invention relates to a laser welding pore suppression method and system. Comprising the following steps: providing a first base material and a second base material; providing a laser welding system which comprises a laser generator, a transmission optical fiber, a laser welding head and a manipulator; an alternating electromagnetic field system is provided and comprises a power source, a first electromagnetic coil and a second electromagnetic coil, the first electromagnetic coil is fixedly connected with the laser welding head, the second electromagnetic coil is located at the bottom of the workpiece to be welded, and the first electromagnetic coil and the second electromagnetic coil move synchronously; and the alternating electromagnetic field system and the laser welding system are started, an alternating magnetic field is formed between the first electromagnetic coil and the second electromagnetic coil, the laser welding head outputs a focused laser beam to irradiate the upper surface of the first base