... laboratory. Welding Principle Ultrasonic metal welding is the use of high-frequency vibration of the energy generated will be the same species or dissimilar metals, ... melting each other.3, wires melt each other, forming a partial melt with more than each other.4, wires ... . Easy to use, built-in electronic protection circuits, use of safe, similar to metal welding, able to implement a single point or ...