Laser welding method and laser welding product
A technology of laser welding and laser beam, applied in laser welding equipment, welding equipment, metal processing equipment, etc., can solve the problems of high reflectivity and low laser energy absorption rate, achieve good absorption, increase absorption rate, high strength and The effect of stability
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[0050] figure 1 A first embodiment of the present invention is shown in which the first workpiece 10 and the second workpiece 20 are welded together by laser welding, particularly by laser spot welding, with a laser beam.
[0051] In the first embodiment, both the first work 10 and the second work 20 have a plate shape. Before laser welding, a first microporous structure 11 is pre-processed on the first workpiece 10. The first microporous structure 11 is composed of a plurality of first holes 11a in the form of through holes; A second microporous structure 21 is also pre-processed on it, and the second microporous structure 21 is composed of a plurality of second holes 21a in the form of blind holes. Preferably, the number of the second holes 21a is equal to the number of the first holes 11a. The first microporous structure 11 and the second microporous structure 21 are positioned such that the position of the second microporous structure 21 corresponds to the first microporous...
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