Battery Ultrasonic Spot Welder For 18650 & Pouch Cell Al/Ni/Cu Metal Tab Foil Welding Machine

Battery Ultrasonic Spot Welder For 18650 & Pouch Cell Al/Ni/Cu Metal Tab Foil Welding Machine

Ultrasonic wave metal spot welder: it is similar to friction welding, but different. Ultrasonic welding time is very short, and the temperature is lower than recrystallization; It is also different from pressure welding because the static pressure applied is much smaller than that of pressure welding. It is generally believed that in the initial stage of the ultrasonic welding process, the oxide on the metal surface is removed by tangential vibration, and the repeated micro welding and damage process of the protruding part of the rough surface increases the contact area, at the same time, the temperature of the welding zone increases, and plastic deformation occurs at the interface of the weldment. In this way, under the action of contact pressure, solder joints are formed when they are close to the distance at which atomic gravity can act. Long welding time or excessive ultrasonic amplitude can cause a decrease in welding strength or even damage. Ultrasonic metal welding machine is an advanced high-tech equipment that converts high-frequency electrical energy into mechanical vibration energy through a transducer and acts on the workpiece, generating high-frequency friction between two workpiece surfaces until they heat up and fuse together. It can perform spot and strip welding on thin materials of conductive metals such as copper, silver, chromium, and nickel. It can be widely used for spot and strip welding of controllable silicon chip leads, fast fuse melt sockets, electrical lead terminals, lithium-ion, nickel hydrogen, nickel cadmium battery electrode lugs, etc.