1. Advantages of electric Welding Machine: electric welding machine uses electric energy to convert electrical energy into heat energy instantly. Electricity is very common. Electric welding machine is suitable for working in a dry environment without too many requirements. Because of its small size, simple operation, convenient use and speed Faster, strong welds after welding are widely used in various fields, especially for parts that require high strength, and can instantly connect the same metal materials (different metals can also be connected, but the welding method is different) permanent After heat treatment, the welded seam has the same strength as the base material, and the seal is very good. This solves the problem of sealing and strength for the manufacture of storage gas and liquid containers.
2. Disadvantages of the electric welding machine: During the use of the electric welding machine, a certain magnetic field will be generated around the welding machine. When the arc is burned, radiation will be generated to the surroundings. The arc light contains infrared rays, ultraviolet rays and other light species, as well as metal vapor and smoke. Substances, so adequate protective measures must be taken during operation. Welding is not suitable for high-carbon steel welding. Due to the process of crystallization, segregation and oxidation of weld metal, the welding performance of high-carbon steel is poor, and it is easy to crack after welding, resulting in hot and cold cracks. Low carbon steel has good welding performance, but the process must be handled properly. Derusting and cleaning are more cumbersome. Sometimes the weld will have defects such as slag inclusion, cracks, pores and undercuts, but proper operation will reduce the occurrence of defects.
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