Laser Welding Method for Repairing Penetrating Defects of Base Metal
A laser welding and penetrating technology, applied in laser welding equipment, welding equipment, manufacturing tools, etc., can solve the problems of product scrap, loss, cracks, etc., to prevent undercut and strengthen the tightness of the fit.
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[0039] Such as Figure 1-Figure 9 As shown, the present invention is a laser welding method for repairing penetrating defects of base metal, comprising the following steps:
[0040] S1. Perform pretreatment on the defect of the base metal to be repaired, and process it into a groove weld with a wide top and a narrow bottom.
[0041] Among them, prior to the pretreatment, fluorescent detection and X-ray detection are performed on the base material in sequence to determine the type and location of the defect, that is, to determine the type of defect as a penetrating defect.
[0042] Pretreatment is machining by machining center or manual processing by electric drill or grinding head. For the defects on the surface of the base metal, the defects are directly processed into a groove weld with a wide top and a narrow bottom.
[0043] S2. Determine the width of the downward groove of the weld. If the width is greater than the diameter of the welding wire, at least one column of wel...
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