Automatic Ultrasonic Earloop Welding Machine
2021-9-20u2002·u2002Earloop Welding Machine Principle: A non-woven mask spot welding machine converts 50/60 Hz electric current into 20 kHz electric energy by the ultrasonic generator. The transducer is converted into mechanical motion of the same frequency again and transmitted to the welding head through the amplitude modulator.
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