Method for preventing welding spatter from being adhered to periphery of weld joint

Abstract

The invention provides a method for preventing a welding spatter from being adhered to the periphery of a weld joint. The method is realized by coating the periphery of the weld joint with a layer ofwhite powder slurry which is not adhered to the welding spatter to serve as an isolation layer. According to the method, the problem that the welding spatter is adhered to the metal surface of the periphery of the weld joint is effectively solved, meanwhile, the heat radiation generated by the metal surface of the periphery of the weld joint can be effectively reduced, the heat preservation effectis achieved, the weld joint can be slowly cooled, the welding stress is effectively reduced, and welding cracks are avoided; the white powder slurry isolation layer is used for absorbing the heat ofthe metal surface of the periphery of the weld joint, and then is gradually dried, so that automatic falling can be achieved without clearing performed, cleaning is convenient, and environmental pollution is reduced; and after welding, the welding spatter does not need to be treated manually, so that damage to operators is avoided, and meanwhile, the machining cost is reduced.

Description

technical field [0001] The invention belongs to the technical field of metal processing, and in particular relates to a method for preventing welding spatter from adhering around a welding seam. Background technique [0002] During the welding construction of steel structures, a large amount of welding spatter is adhered to the surface of the steel around the weld seam. Since the welding spatter is firmly bonded, the operator cannot remove it with tools such as flat shovels and wire brushes. Generally, a grinder is used to remove it. Therefore, after the welding is completed, it generally takes a lot of manpower and material resources to deal with the welding spatter bonded to the steel surface around the weld. Regardless of the length of the weld, it is generally necessary to manually grind it with an electric grinder. When manually grinding the welding spatter, the operator needs to consume too much physical strength, and a large amount of dust and noise are generated duri...

AI Technical Summary

Problems solved by technology

Regardless of the length of the weld, it is generally necessary to manually grind it with an electric grinder. When manually grinding the welding spatter, the operator needs to consume too much physical strength, and a large amount of dust and noise are generated during the grinding process, which pollutes the environment and seriously endangers the weld. The health of the construction workers also consumes too much electricity, which not only increases the construction cost, but also reduces the efficiency

Usually, it takes about 10 minutes to clean up the welding spatter of the rib plate at the end of four 500mm crane girders. If the welding seam is in a narrow space, it cannot be polished with a grinder. And the efficiency is low, which seriously affects the construction progress, increases labor costs, grinder grinding wheel costs, electricity costs and other costs, and also increases safety hazards