Difference Between Ultrasonic Welding Machine and Laser Welding Machine

1. Difference in working principleThe laser welding machine uses high-energy laser pulses to locally heat the material in a small range. The energy radiated by the laser diffuses into the material through heat conduction, so as to melt the material and form a specific molten pool.

The ultrasonic welding machine uses an ultrasonic generator to convert a current of 50 / 60Hz into electric energy of 15, 20, 30 or 40KHz. The converted high-frequency electric energy is again converted into mechanical motion of the same frequency by the transducer, and then the mechanical motion is transmitted to the welding joint through a group of horn devices that can change the amplitude. The welding joint transmits the received vibration energy to the joint part of the workpiece to be welded, and in this area, the vibration energy is converted into heat energy by friction, so as to melt the plastic.

2. Respective advantagesUltrasonic welding machine has the advantages of high speed, energy saving, high fusion strength, good conductivity, no spark, near cold machining, etc. It adopts electronic program control, high power, high efficiency, automatic control, easy operation, built-in electronic protection circuit, safe use, stable and reliable operation. The weldment has the characteristics of firm welding surface, high strength, subjective and environmental protection.Laser welding machine is a new welding method, which is mainly used for the welding of thin-walled materials and precision parts. It can realize spot welding, butt welding, lap welding, seal welding, etc. It has high width ratio, small welding width, small heat affected zone, small deformation, fast welding speed and smooth and beautiful welding. Treatment or simple treatment is required after welding, with high welding quality, no pores, accurate control, small focus, high positioning accuracy and easy automation.

3. Applicable products

Ultrasonic metal welder is suitable for welding thin products. It can be used for the welding of the same metal, and can also be used for single point and multi-point short strip welding of thin non-ferrous metals (such as copper, silver, aluminum and nickel). It can be widely used for welding of various shapes, such as the connector of fuse type lithium battery. Ultrasonic metal welding machine is used for similar welding of metals, and can carry out single point and multi-point short strip welding for fine and thin materials of copper, silver, aluminum and nickel non-ferrous metals. It can be widely used for welding of fuse links, lugs of lithium batteries and other shapes.

Ultrasonic welding machineUltrasonic welding machine can be divided into automatic welding machine, semi-automatic ultrasonic welding machine and manual welding machine according to the automation level. For modern enterprises, the higher the automation level, the more conducive to the enterprise assembly line production. Therefore, the use of automatic welding machine is a trend in the future.Laser welding machine

Laser welding machine, also known as laser welding machine and laser welding machine, is a machine for laser material processing. According to its working mode, it is divided into laser mold welding machine, automatic laser welding machine, laser spot welding machine and optical fiber transmission laser welding machine. Laser welding uses high-energy laser pulse to heat materials locally in small areas, The energy radiated by laser is diffused inside the material through heat transfer, and the material is melted to form a specific molten pool to achieve the purpose of welding.