The requirements of square tube welding mainly include the following aspects:
Preparation before welding: Strict surface cleaning should be performed before the square tube is welded to remove impurities such as rust and dirt to avoid adverse effects on welding quality. At the same time, all the oil, dust and other debris are removed around the welding location to ensure that the surface of the welding material and the square tube can be well -touched.
Material selection: Proper welding materials and equipment should be selected according to the welding requirements, and the quality of these materials and equipment should be selected. At the same time, it is necessary to consider factors such as the material, thickness and welding position of the tone tube to select the appropriate welding technology and materials.
Welding process: When welding, the welding temperature, welding speed and welding level should be controlled to ensure the welding quality. During the welding process, defects such as cracks and pores should be avoided to ensure the firmness, straightness and aesthetics of the weld. In addition, the operation of welding horizontal tendon or welding to maintain straightness should be ensured that the operation should be correct.
Welding seam quality: Welds should be uniform and dense, without defects such as slag clamping, bleaching pores, cracks. There should be a good combination between the weld and the mother material, which is firm and reliable. The width, height, and length of the weld should be within the allowable range, and should be uniform, and should not occur too width, high or too long.
After welding: After the welding is completed, it should be cooled in time to avoid deformation or cracking from the influence of the welding channel to be affected by overheating. At the same time, the exterior inspection and internal quality inspection of the weld are performed to ensure that the welding quality meets relevant standards and requirements.
In general, the requirements of the square tube welding cover the pre -welding preparation, material selection, welding process, weld quality, and post -welding treatment. When welding of square tube, operate strictly in accordance with these requirements to ensure the welding quality and the reliability of welds.
