Ultrasonic Welding Principle:Ultrasonic metal welding machine use ultrasonic frequency vibration principle to change ultrasonic vibration energy into friction energy and transfer to the metal surface to be welded ,while the friction produces heat under the pressure, the metal structure of molecules fully activation of the fusion between the molecular layer of the formation of the new equipment.Ultrasonic spot welding is a well-developed and established production method for joining non-ferrous metals. Especially in the automobile industry, this reliable and trend-setting technology has been used in the production of wire harnesses for decades now. Ultrasonic metal welding is a cold, friction welding process, i.e. no liquid-melt phase occurs. The parts being joined are rubbed together at their contact surfaces under slight pressure.
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