Welding method of bending and torsion members
A technology of bending and torsion components and welding methods, which is applied in the field of welding, can solve the problems that it is difficult to ensure the appearance of the welding seam on the cover surface, and the welding efficiency is low, so as to achieve the effect of improving welding efficiency and ensuring the appearance of the shape
Active Publication Date: 2019-08-27
CHINA CONSTR STEEL STRUCTURE ENG CO LTD
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Problems solved by technology
[0004] The main purpose of the present invention is to propose a welding method for bending and torsion members, which aims to solve the problem in the prior art that when the slope is greater than 4°, the gas shielded welding method must be used to cover the surface, but the gas shielded welding method for covering the surface will make the welding The efficiency becomes low, and it is difficult to ensure the technical problem of the appearance of the welding seam on the cover
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[0040] In order to make the purpose, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described The embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative efforts belong to the protection scope of the present invention.
[0041] In order to illustrate the technical solutions of the present invention, specific examples are used below to illustrate.
[0042] For a better understanding of the invention, please refer to figure 1 The structural diagram of the submerged arc welding trolley and the magnetic suction trolley is shown, including the magnetic suction tr...
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Abstract
The invention discloses a bent-torsional component welding method. The method comprises the following steps: a guide wheel is additionally mounted on one side of a submerged arc welding car, and the submerged arc welding car added with the guide wheel is in spot welding connection with a magnetic sucking car; the bottoming and the filling welding are performed on bent-torsional components by using first preset welding parameters; and the submerged arc welding car and the magnetic sucking car in spot welding connection are used for performing the cover surface welding on the bent-torsional components after the bottoming and the filling welding, so that the welding efficiency is improved, and the appearance molding of cover surface welding lines is guaranteed.
Description
technical field [0001] The invention relates to the field of welding technology, in particular to a welding method for twisted members. Background technique [0002] Due to the structural characteristics of the torsion member, when welding the main weld of the traditional torsion member, the CO2 gas shielded welding method should be used to prime and fill the torsion member. When the torsion member has no slope or the slope is not greater than 4°, it can be used When the submerged arc welding method is used to cover the surface, when the slope is greater than 4°, the gas shielded welding method must be used to cover the surface. However, using the gas shielded welding method to cover the surface will reduce the welding efficiency and it is difficult to ensure the appearance of the cover weld. [0003] Therefore, in the prior art, when the slope is greater than 4°, the gas shielded welding method must be used to cover the surface, but the gas shielded welding method for cover...
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IPC IPC(8): B23K9/18B23K9/12B23K9/32
Inventor 张明黄河浪杨高阳黄伟许帅李荣清李建宏朱强
Owner CHINA CONSTR STEEL STRUCTURE ENG CO LTD