Welding method

The invention provides a welding method which comprises the following steps: welding a second part to a first part through a welding process, and forming a welding spot on the second part; and carrying out surface treatment on a set area on the second part through a laser etching process so as to re...

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Hauptverfasser:	LIN HONGFAN, DING YANMING, ZHU XU
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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creator	LIN HONGFAN DING YANMING ZHU XU
description	The invention provides a welding method which comprises the following steps: welding a second part to a first part through a welding process, and forming a welding spot on the second part; and carrying out surface treatment on a set area on the second part through a laser etching process so as to remove the part, protruding out of the surface of the second part, of the welding spot, and forming a preset three-dimensional pattern structure in the set area. The height of the welding slag can be smaller than 0.03 mm after being removed through the laser etching process and can be almost ignored, adverse effects such as scratching of the welding slag to surrounding devices and reliability reduction can be effectively avoided, the problem that the whole large area on the surface of the second part is concave due to over-milling segment difference and the like is avoided, and the service life of the second part is prolonged. And it can be guaranteed that the second part still has high structural strength after the
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subjects	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
title	Welding method
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