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October 21, 2021
Laser welding technology is a high-precision, high-efficiency, and reliable structural connection technology. The unique advantages of laser welding machines have been praised by the processing industry. The most advanced technology in the processing field currently includes welding technology. However, laser welding is in the actual operation process. There are still many problems in the process. How to find and solve problems is a very important link in the production process of every enterprise.
The welding standard is based on the quality of the welded product. If the welding is poor, the material may have problems. It is necessary to check the quality of the material. If the material and material are not changed, the welding process has not changed, and the welding is continuous. If it is still very poor, it means that there is a problem with the workbench and fixture of the laser welding machine.
In the welding process, pressure test is often used to keep the pressure constant to check the operation of the welding head. Current detection must be strengthened. During the welding process, we must consider the thickness of the welding and the thickness of the coating. Changes in metal parts, during laser welding, analyze and evaluate the quality of laser welding by monitoring photoelectric signals such as plasma, molten pool and pinhole status, and analyze defects such as stress concentration and pores in the weld after welding through non-destructive testing methods, and through computer vision Technology on-line detection of weld surface defects, three detection principles of welding quality detection.
Laser can be used for welding many materials. Carbon steel, low-alloy high-strength steel, stainless steel, titanium alloy can be welded. The welding speed is proportional to the laser power. With the development of laser welding technology, the current aerospace, automotive Shipbuilding, pressure vessel manufacturing, civil and medical fields.
The production of laser welding technology directly affects parameters including laser pulse energy, laser beam spot diameter, laser pulse frequency, welding speed, shielding gas, etc.
Many domestic manufacturers’ machines use cheap single-wave power supplies, which have low welding flexibility and are difficult to adapt to a variety of mold welding. They often need to be reworked, which greatly wastes welding materials. When buying laser equipment, you must pay attention to choosing a manufacturer with strong reputation and experience.
Avoid stepping on thunder on the purchase of laser welding machines.