1. The precision energy storage spot welding machine uses capacitor to store energy and release large current instantaneously. Compared with AC welding machine, it has less impact on power grid. At the same time, due to the short welding time (welding time is only completed in a few thousandths of a second) and large welding current, the heat generated in the processing process leads to excessive oxidation and deformation of the workpiece. Welding process is minimized, so it is widely used.

2. Because the welding pressure can be adjusted by the compression spring, the pressure is stable and the stable welding quality can be obtained.

3. This machine has the characteristics of reasonable structure, simple use, convenient maintenance and beautiful appearance. It is especially suitable for the occasions with strict requirements for welding heat energy, such as between precision instrument parts, electric vacuum device, lithium battery assembly equipment, and metal wire dissimilar metal workpiece. Welding is especially suitable for relay reed, timer reed contact, capacitor lead out, micromotor lead out and copper parts welding, as well as automotive electrical copper joints.

The purpose is to use the high temperature arc generated by the positive electrode and the negative electrode in the instantaneous short circuit to melt the materials to be welded between the electrodes, so as to achieve the purpose of combining them. The structure of spot welding machine is very simple. It is a high-power transformer, which can change the 220 V AC power supply to low-voltage high current power supply, which can be DC or AC. Welding transformer has its own characteristics, that is, sharp voltage drop.

After electrode transmission, the voltage drops and the working voltage of the welding machine is adjusted. In addition to the primary 220 / 380 voltage conversion, the secondary coil also has taps to change the voltage. At the same time, there is an iron core to adjust the adjustable core. The electric welding machine is usually a high-power transformer made by the principle of inductance. When the inductor is turned on and off, the voltage changes dramatically. In the case of instantaneous short circuit, the high voltage arc generated by the positive electrode and negative electrode is used to melt the solder on the electrode to achieve the purpose of combining them.

In the products with high quality requirements for lithium battery spot welding machine, the quality acceptance standard of resistance welding parts is clearly specified. According to the characteristics of the product structure, the nature and size of the product stress in the process of use, the characteristics of the welding performance of the product materials and the rationality of the selected processing method, the joints are divided into different grades. The requirements of quality standards, test methods, instrument use and monitoring methods are also different to ensure accurate data and meet the requirements of corresponding standards.

Due to the short welding time and high welding current, the heat generated in the welding process leads to overheating of the workpiece, and the oxidation and deformation are minimized; The welding pressure can be adjusted by setting the compression valve; Can weld ferrous metals, stainless steel, but also difficult to weld metals, such as silver, copper, aluminum and other non identical metals; The utility model has the advantages of reasonable structure, simple use, convenient maintenance and beautiful appearance.