chassis

普电

[color=rgba(0, 0, 0, 0.85)]The requirements for chassis welding mainly include the following points:[color=rgba(0, 0, 0, 0.85)]Welding firm: [color=rgba(0, 0, 0, 0.85)]The welding of the chassis should be firm, and the welding on the outer surface of the components should be filled in place without leaving any gaps. Welding should be neat and uniform, and defects such as cracks, undercuts, and burn through are not allowed. Defects such as slag inclusion, porosity, and pits should also be avoided.
[color=rgba(0, 0, 0, 0.85)]Surface treatment: After welding, for some welding surfaces that are in the same plane, there should be no visible protrusions or depressions on the surface after treatment. For visible welds, the welding slag should be cleaned thoroughly, including various particles adhered to the surface of the components by welding spatter.
[color=rgba(0, 0, 0, 0.85)]Workpiece calibration: In welding operations, a process should be developed to minimize welding stress and avoid various deformations of the workpiece after welding. [color=rgba(0, 0, 0, 0.85)]If the workpiece undergoes deformation, it should be corrected after welding.Process selection: Select the appropriate welding process based on the material and requirements of the chassis. For example, argon arc welding, CO2 welding, resistance welding, etc. are common welding processes.
[color=rgba(0, 0, 0, 0.85)]Cleaning and polishing: Before welding, the surface of the chassis should be cleaned and polished to remove oil stains and oxides to ensure the quality of the welded joints.Material requirements: All raw materials should meet the requirements of the drawings, otherwise cutting cannot be carried out. The straightness of welded steel should not exceed 0.2%, and the total curvature should not exceed 0.3% of the total length. Before welding, welding wires with different thickness specifications should be selected based on the size of the parts, the thickness of the materials, and the size of the weld seam.
[color=rgba(0, 0, 0, 0.85)]Process conditions: During the welding process, appropriate welding equipment, welding process parameters, and welding methods should be selected based on the size of the parts, material thickness, and weld size. At the same time, suitable filling and lining materials should also be selected according to the actual situation.
[color=rgba(0, 0, 0, 0.85)]Quality control: Effective quality control measures should be taken during the welding process, such as preheating before welding, current control during welding, heat treatment after welding, etc., to ensure welding quality and workpiece performance.

普电

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