Vacuum electron beam welding method for magnesium alloy component
A technology of vacuum electron beam and welding method, applied in electron beam welding equipment, welding equipment, metal processing equipment and other directions, can solve problems such as inability to eliminate defects, and achieve good appearance, high welding quality consistency, and high welding yield. Effect
Active Publication Date: 2020-08-18
CHINA WEAPON SCI ACADEMY NINGBO BRANCH
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Abstract
The invention relates to a vacuum electron beam welding method for a magnesium alloy component. The method is characterized by comprising the following steps: (1) selecting a welding part; (2) cleaning the welding part, specifically, wiping and cleaning a magnesium alloy blank and a complete butt joint, and removing an oil film, a water film and organic impurities on the surface to be welded; (3)performing assembling; (4) adopting vacuum electron beam welding; and (5) performing circumferential seam welding. According to the vacuum electron beam welding method, a welding joint form, welding steps, technological parameters and welding defect control are given, air holes in the surface and the subsurface of a welding seam are eliminated, welding defects such as air holes in the welding seam, air holes in the root, arc extinguishing air holes and cold shut can be effectively controlled, in addition, the air holes in the welding seam and the arc extinguishing air holes are dispersedly distributed, the diameter of a single air hole is small, other welding defects such as cracks and slag inclusion do not exist in the welding seam, and the circumferential welding seam is good in appearance forming, consistent in welding quality and high in welding yield.
Application Domain
Electron beam welding apparatus
Technology Topic
Vacuum electronicsSeam welding +9
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PUM
Property | Measurement | Unit |
Penetration | 55.0 ~ 60.0 | mm |
The inside diameter of | 3.0 ~ 20.0 | mm |
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