What are the components of ultrasonic metal welding machines, and what are the advantages and disadvantages of ultrasonic metal welding machines?

The ultrasonic metal welding machine mainly consists of the following components:
Generators, pneumatic components, program control components, and transducers.
The main function of the generator is to convert the power supply with a power frequency of 50HZ into high-frequency (such as 20KHZ) high-voltage radio waves using electronic circuits.
The main function of pneumatic components is to complete pressure work such as pressurization and holding during the processing process.
Program control is divided into controlling the workflow of the entire machine to achieve consistent processing results.
The transducer is used to convert the high-voltage electrical waves generated by the generator into mechanical vibrations, which are transmitted, amplified, and reach the machined surface.

Advantages of ultrasonic metal welding:
Fast welding speed;
High welding strength;
Low energy consumption required;
The welding process is convenient and pollution-free, without the need for other auxiliary equipment;
The welding equipment has a small volume and is convenient to use.

Disadvantages of ultrasonic metal welding:
1: Only a small amount of metals such as aluminum, magnesium, and copper can be welded; 2: Only thin metal sheets and thin metal wires can be welded; 3: High requirements for the shape of welding materials;
(1) The two welded objects overlap and are subjected to ultrasonic vibration pressure to form a solid form. The bonding time is short, and the bonding part does not produce casting microstructure (rough surface) defects.
(2) Compared with resistance welding methods, ultrasonic welding has a longer mold life, less time for mold repair and replacement, and is easy to achieve automation.
(3) Ultrasonic welding can be performed between the same metal and different metals, which consumes much less energy compared to electrical welding.
(4) Compared with other pressure welding methods, ultrasonic welding requires a lower pressure and less than 10% deformation, while cold pressure welding requires a workpiece deformation of 40% -90%.
(5) Ultrasonic welding does not require pre-treatment of the welded surface and post weld treatment like other welding methods.
(6) Ultrasonic welding does not require external factors such as flux, metal filler, or external heating.
(7) Ultrasonic welding can minimize the temperature effect of materials (the temperature of the welding zone does not exceed 50% of the absolute melting temperature of the welded metal), thereby avoiding changes in the metal structure, making it very suitable for welding applications in the electronic field. High fusion strength;
Near cold processing, no annealing of the workpiece, and no oxidation marks;
After welding, the conductivity is good, and the resistance coefficient is extremely low or almost zero;
Low requirements for welding metal surfaces, both oxidation and electroplating can be used for welding;
The welding time is short and does not require any flux, gas, or solder.
Welding without sparks, environmentally friendly and safe. The metal parts to be welded should not be too thick, and the solder joints should not be too large, requiring pressure.