First of all, the ultrasonic generator includes ultrasonic cleaning power supply and ultrasonic welding power supply. These two power generators are not universal, and their purposes are different. They cannot be used interchangeably. Phase shifted full bridge IGBT ultrasonic welding power generator usually uses ultrasonic frequencies of 15KHz, 20KHz, 28KHz, 35khz, and more than 40khz.

28khz 300W Digital Ultrasonic Spot Welder Generator For Pvc Tarpaulin Face Mask Ultrasonic Spot Welding Machine