The material damage and repair technology of magnesium forgings of construction machinery refers to the corresponding repair method to restore its function and performance after the damage occurs during the use of parts. Here are some common material damage and repair techniques:
- Welding repair: For parts with partial fracture or small damage, the method of welding repair can be used. According to different materials and specific conditions, choose the appropriate welding methods such as arc welding, argon arc welding, etc., and use the appropriate welding materials to fill and connect, so that the fracture site is restored to integrity.
- Repair welding: For magnesium forgings with surface wear or local damage, repair welding can be used. By adding materials through welding supplements, a new material layer is formed in the damaged part, so that the surface of the part is smooth, and improve wear resistance and strength.
- Mechanical repair: For dimensional defects or slightly damaged parts, mechanical repair can be used. Through grinding, milling, drilling and other processing technologies, the damaged part is removed, and then the grinding and grinding processes are carried out to restore the original shape and size of the part.
- Surface repair: For surface damage or corrosion of magnesium forgings, surface repair technology can be used. Including spraying, electroplating, thermal spraying and other methods, by forming a protective film or coating on the surface, improve the corrosion resistance and wear resistance of parts.
- Heat treatment repair: For magnesium forgings that have problems such as strength reduction after use, heat treatment repair can be used. Such as aging treatment, solution treatment, etc., by changing the crystal structure and organizational state of the material, improve the strength and durability.
It is necessary to select the appropriate material damage and repair technology under the guidance of professional personnel according to the specific injury situation and requirements. At the same time, the repaired parts should be subjected to strict quality inspection and performance testing to ensure that the repaired parts meet the design requirements and ensure their safety and reliability during use.
