The difference between ultrasonic welding and laser welding

Many friends don't know whether to choose ultrasonic welding machine or laser welding machine when they buy a welding machine. So what is the difference between them? I'll explain it to you today.

 

At present, the advantages and disadvantages of the welding process plays a decisive role in the heat transfer of flat solar collectors, and domestic flat solar water heater collectors (collector plates) mainly use laser welding and ultrasonic welding. Welding, flat solar collector absorption. The heat plate is mainly made of aluminum and copper plates, and the runners are basically made of copper tubes. These two welding methods have their own advantages in practical applications.

 

Examples

For example, many users do wire harnesses and lithium electrode ear welding, laser welding machines also do flat solar collectors. In general, the material of the heat-absorbing plate is mainly two kinds of aluminum and copper plate. The thickness of the copper plate is 0.12 mm to 0.2 mm, with an initial standard of 0.2 mm. To reduce costs, most manufacturers currently choose 0.12mm as the material. Product standards.

There are two main thicknesses of aluminum sheet: 0.3mm and 0.4mm. The principle of laser welding machine is to use high energy laser to melt the weld metal to form a joint. Laser welding creates a "molten pool" on the surface of the solder. The higher the current, the deeper the bath; the higher the voltage, the wider the bath. For thin copper sheets of 0.12 mm, laser welding is easy. This is when ultrasonic welding is basically the best choice. According to the analysis of ultrasonic welding and laser welding, ultrasonic welding is suitable for welding thin materials and laser welding is more suitable for welding thick materials. When welding copper plate, only ultrasonic is applicable; for welding aluminum plate, ultrasonic and laser are optional, and the selection conditions are different. 0.3mm aluminum plate can only be ultrasonic welded, and laser welding can only be selected for thickness above 0.4mm.

General ultrasonic welding machine is suitable for welding thinner products, laser welding will directly penetrate the thin. Another important aspect is that the price of laser welding machine is several times that of ultrasonic welding machine. For more information about ultrasound, please follow Metallurgical Ultrasound Technology.

Ultrasonic metal spot welding machines are used for welding of similar metals. It can be used for single and multi-point short strip welding of thin materials such as copper, silver, aluminum and nickel. Can be widely used for melting lithium batteries. Welding ears and other various shapes.

 

Solar Collectors laser welding machine


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