The welding quality of the copper door directly affects the assembly quality. Therefore, during the component installation, the gap and filing error of the welding position shall be strictly controlled. The welded joints after installation and assembly must be inspected by a specially assigned person and then handed over to the welder for welding.

焊接前的准备工作

Preparation before welding

装配好的焊接节点专人检查后交于焊工施焊

The assembled welding nodes shall be inspected by a specially assigned person and then handed over to the welder for welding

检查焊接位置的脚手搭设是否可靠

Check whether the scaffold erection at the welding position is reliable

清理焊接坡口区，将烘焙的焊条用保温筒带至现场焊接地点

Clean the welding groove area and bring the baked electrode to the site welding site with insulating cylinder

焊接工作

Welding work

为避免焊接变形，焊接时使用对称焊接(包含对焊、立焊、斜焊)

In order to avoid welding deformation, symmetrical welding (including butt welding, vertical welding and oblique welding) shall be used during welding

焊接过程中逐道焊缝清渣，除飞溅物，发现缺陷及时用角向砂轮打磨，除去缺陷

During the welding process, slag shall be removed one by one to remove splashes. If defects are found, they shall be polished with angular grinding wheel in time to remove defects

焊接工作结束，将焊缝区及焊接工作场地清理干净，转移到下一焊接节点

After welding, the weld area and welding site shall be cleaned and transferred to the next welding node

焊后检查

Post weld inspection

待焊缝冷却后，进行焊缝外观检查

After the weld is cooled, the weld appearance shall be inspected

焊缝中不得有裂缝，焊缝金属与母材间完全熔合，所有破口均被填满

There shall be no cracks in the weld, the weld metal shall be fully fused with the base metal, and all cracks shall be filled

焊缝不应溢流

The weld shall not overflow

铜门根据现场实际尺寸，用方钢焊接框架，接口处采用满焊处理，外扣铜板型材焊接而成铜框架的制作方法：选材→切割→焊接→打磨→防腐防锈处理→切边戳磨→铜焊粘贴及覆盖

According to the actual size of the site, the copper door is welded with square steel frame, the interface is fully welded, and the external buckle copper plate profile is welded. The manufacturing method of the copper frame is: material selection → cutting → welding → grinding → anti-corrosion and anti rust treatment → cutting edge stamping and grinding → brazing, pasting and covering

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