35K 1200W Ultrasonic Plastic Welding Machine Generator Servo Ultrasonic Plastic Welder

The automatic intelligent Ultrasonic welding power supply is a processing method that can automatically track the resonant frequency, which has important practical significance for the efficient and stable operation of the ultrasonic transducer. The current resonant frequency tracking technology mainly adopts hardware tracking methods. PI digital control has been widely used in industrial closed-loop systems, but there are few applications of PI control in automatic frequency tracking of ultrasonic transducers. The resonant frequency of transducers is generally high, usually in the range of 15-30kHz or even higher, which brings high requirements for hardware chips, sampling circuits, and digital control system implementation.