Basic Principle:

Capacitive energy storage spot welding uses capacitors to store energy. When the energy melts a small area of solder joint, the capacitor will discharge instantaneously. Compared with other welding methods such as AC machines, using it from the power grid has lower instantaneous power, balanced load in all phases, high power factor, and can provide concentrated energy to the welding area. It can obtain welded parts with good surface quality and small deformation, and can weld some difficult to weld non-ferrous metals with good thermal conductivity.

The capacitor spot welding machine consists of mechanical and electrical components, and circuit control is the core part of resistance welding technology. The energy-gathering pulse formation technology controlled by the microcomputer chip technology in the welding field is very extensive and has become the mainstream of the development of welding machine control systems.

Main Application:

1. Repair and rapid welding of lithium iron phosphate battery packs or ternary lithium battery packs used in electric vehicles, unmanned aircraft , power tools, electric appliances, robots and other equipment.
2. Rapid welding of copper/aluminum poles for various power large single cells.
3. Welding of battery connection sheets (nickel-plated / pure nickel / pure copper / nickel-plated copper sheet ), hardware parts, wires, etc.
4. Welding materials such as copper, aluminum, nickel aluminum composite, pure nickel, nickel plating, stainless steel, iron, molybdenum, titanium, etc.

Features:

• Fast speed:

Generally, welding can be completed in just a few hundred milliseconds. For piecework with high production efficiency, capacitance welding is more suitable;

• High temperature:

capacitor welding is used because the heating method of capacitor welding is induction heating, so the surface of the piecework can reach a high temperature in a short period of time;

• Reliable welding:

The quality of the solder joints at the capacitor welding joint is reliable, and the stability of the solder joints will not be affected by external factors.