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The power supply of industrial ultrasonic plastic welding generator is an indispensable part of modern industry, especially in the field of plastic processing. With the continuous advancement of technology, ultrasonic welding technology has become one of the preferred methods for connecting plastic products. The core part of the industrial ultrasonic plastic welding generator power supply is the ultrasonic transducer, which converts electrical energy into high-frequency mechanical vibration energy. The power supply generates frictional heat at the contact point of plastic products by controlling the vibration frequency and amplitude of the transducer, thereby achieving welding effects. Specifically, when the power supply applies high-frequency alternating current to the transducer, the piezoelectric crystal in the transducer undergoes expansion and contraction deformation, thereby driving the surrounding medium (usually plastic) to vibrate at high frequencies. Under appropriate pressure, the frictional heat between plastic contact surfaces causes the plastic to melt and connect together.