ultrasonic dip soldering device

The advantages of ultrasonic dip soldering device

Ultrasonic dip soldering is the process of coating the surface of a part with molten tin by immersing the region in a tin bath containing the molten tin. Tin plating enables the piece to maintain good corrosion resistance, flexibility, and solderability. Ultrasonic dip soldering involves heating the tin metal by ultrasonic waves to melt the tin. The part is then dipped into the molten tin bath, and the surface of the part is soldered with a layer of tin through the ultrasonic cavitation effect and high-frequency vibration. After the ultrasonic dip soldering process, the components can be soldered more firmly than traditional soldering techniques.

The ultrasonic dip welding process can also be used for welding metals and alloys such as dip, aluminum, and magnesium. Ultrasonic dip welding has the characteristics of faster welding speed and more environmentally friendly. The most important feature of ultrasonic dip welding compared to other dip welding is the different method of removing the oxide film. Ultrasonic dip welding does not use any solder.

Shortcomings of conventional dip soldering

Poor soldering effect

In the traditional dip soldering process, there is oxidation in the parts, making it easy to have difficulty in soldering. In addition, oxides tend to form in the solder, so it needs to be cleaned up in time to get a better soldering result.

Easy component damage

The dip soldering process is easy to cause damage to components, so that PCB deformation, which is due to the same solder, PCB contact surface is wide, long, easy to lead to PCB board temperature is too high. The small volume of the printed circuit board and quality requirements are not very high single-board available traditional dip soldering.

The small scope of use

Conventional dip soldering technology is complex to solder parts made of glass, ceramics, and other materials, and additional processing must be performed. This, to a certain extent, also causes an increase in processing costs and processing difficulties.

Advantages of ultrasonic dip soldering

Environmentally friendly

Conventional metal soldering usually involves the use of fluxes. The main components of change are rosin, organic solvents, natural resins and their derivatives or synthetic resins, organic acid activators, anti-corrosion agents, oscillations, and film-forming agents. If in a situation containing high flux concentrations, its smell is inhaled by the body, there will be headaches, drowsiness. This can hurt both the human body and the environment. At the same time, the use of flux may cause problems with soldering, resulting in poor soldering quality.

Ultrasonic dip soldering is safe and environmentally friendly and does not require the use of harmful compounds such as substances that remove oxide film. No flux is used for dip soldering. There is no need for emission facilities or wastewater treatment facilities to remove harmful gases generated by flux, so no harmful chemicals are generated for the environment or human beings.


There is no need for a pretreatment and washing process before performing ultrasonic dip soldering, which saves production costs and expenses, simplifies the soldering and dipping process, and improves production efficiency. Flux-related processes are not required, so equipment costs and production costs are reduced. Also, because no flux-related processes are required, the soldering process is simple (high soldering productivity).

Support for new application development

Ultrasonic dip welding can successfully use weld materials difficult to weld by conventional weldings, such as glass and ceramics. Suitable for solar cell glass, semiconductors, ceramic heaters, and dissimilar materials (Al-Cu, Al glass, Al ceramics).

Direct processing

Conventional dip soldering may require pre-processing, such as melting the tin metal in advance before it can be poured into the tin pot. Ultrasonic dip soldering, on the other hand, heats the tin directly and does not require pretreatment. In addition, the part can be dipped now into the pot and tinned directly. In contrast, conventional tin plating techniques need the details to be treated with oxides in advance; otherwise, successful tin plating may be intricate.

ultrasonic dip soldering
ultrasonic dip soldering

Ultrasonic dip soldering device

Ultrasonic enamel dipping equipment works by high-frequency vibrations of ultrasonic waves. The whole dipping welding is more efficient and capable of welding many different materials. Ultrasonic enamel dip equipment can also be used to weld with other welding alloys (also similar to a heated work cell where the working fluid has been replaced by molten solder). Ultrasonic waves and heat are passed through the working solder into the immersion vessel.


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