Column welding method of q420b steel building steel structure for heavy and large
A welding method and technology for steel structures, applied in welding equipment, arc welding equipment, manufacturing tools, etc., can solve the problem that welding methods cannot be borrowed, and achieve the effects of reducing energy consumption, improving welding quality and saving energy.
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[0032] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0033] Such as figure 1 As shown, in the column welding method of heavy-duty and large-scale Q420B steel building steel structures of the present invention, Q420B steel plates with a thickness of 40 to 50 mm are cut into web weldments and flange plate weldments, and then full penetration butt welding of the web The weldment is made into a web, and the weldment of a full-penetration butt-welded flange plate is made into a flange plate, and the T-shaped joint of the partly welded web and flange plate is combined, and the web and flange plate are welded into H-shaped steel Upright column; including making web weldment and flange plate weldment, making grooves at welded joints, dehumidifying web weldment and flange plate weldment, and making web and flange plate weldments with full penetration butt welding Full penetration butt welded flange plate weldment...
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