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The largest application material for laser processing is metal. Aluminum alloy is second only to steel in industrial applications. Most aluminum alloys have good welding performance. With the rapid development of aluminum alloys in the welding industry, the application of laser welding aluminum alloys with strong functions, high reliability, no vacuum conditions and high efficiency has also developed rapidly.
The largest application material for laser processing is metal, and metal will still be the main part of laser processing in the future.
Laser metal processing is relatively rarely used in highly reflective materials such as copper, aluminum, and gold, and is more used in steel processing (the steel industry has many applications and large consumption). With the popularization of the concept of "lightweight", aluminum alloys with high strength, low density and light weight gradually occupy more markets.
Aluminum alloy has low density, high strength, lightweight, good electrical conductivity, good thermal conductivity and good corrosion resistance. It is second only to steel in industrial applications and is widely used in: aerospace components including aircraft frames, rotors and rocket forging rings, etc.; Windows, body panels, engine parts and other vehicle components; doors and windows, coated aluminum panels, structural ceilings and other architectural decorative components.
Most aluminum alloys have good welding performance. With the rapid development of aluminum alloys in the welding industry, the application of laser welding aluminum alloys with strong functions, high reliability, no vacuum conditions and high efficiency has also developed rapidly. High-power laser welding has been successfully applied to aluminum alloy parts of automobiles. Airbus, Boeing, etc. use lasers above 6KW to weld airframes, wings and skins. With the increase in the power of laser hand-held welding and the decline in equipment procurement costs, the market for laser welding of aluminum alloys will continue to expand. In the cooling system of laser welding equipment, S&A laser chiller can provide cooling for 1000W-6000W laser welding machines to maintain their stable operation.
With the strengthening of environmental protection awareness, the development of new energy vehicles is in full swing. The biggest push is the demand for power batteries. To ensure the safety and reliability of batteries, the packaging is very important. At present, the main battery packaging is using aluminum alloy materials. Traditional welding and packaging methods cannot meet the requirements of power lithium batteries. Laser welding technology has good adaptability to power battery aluminum casings, so it has become the preferred technology for power battery packaging welding. With the development of new energy vehicles and the decline in the cost of laser equipment, laser welding will go to a broader market with the application of aluminum alloys.
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