Principle of ultrasonic welding machine

Newsletter working principle of the ultrasonic welding machine is 20 KHZ (or 15 KHZ) generated by the generator of high voltage, high frequency signal, can by changing the system, the signal is converted to high-frequency mechanical vibration, add products, through the workpiece surface and the friction between the molecular and make the transfer to the interface temperature, when the temperature reaches the melting point of the workpiece itself, the workpiece interface rapidly melting, and then fill in the space between the interface,

When the vibration stops and the workpiece is cooled and set under a certain pressure, a perfect welding is achieved.

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Key words: mask production equipment mask ear band spot welder ultrasonic

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