Dab tsi yog cov pa luam yeeb ntawm lub taub hau pwm thiab transducer ntawm ultrasonic yas vuam tshuab

What is the smoke between the mold head and the transducer of ultrasonic plastic welding machine? 

Maybe the transducer is broken, so we'll check it, take the mold off, check the sound waves, and we'll know in no time