[Lindsay] has a wonderful writeup about a new toy in the shop, an ultrasonic transducer. The 28kHz, 70W bolt-clamped Langevin transducer by itself is not much use, you need a power supply ...

Not so, if you use a pair of specialised ultrasonic transducer arrays to move the air instead! (Video, embedded below) Three banks of thrusters provide a 180 degree steerable net force Details are ...

Parts are directly immersed in wash tanks and sump tanks are used to catch cleaning solution that has been sprayed over parts. Ultrasonic Transducers Ultrasonic transducers impart vibrations at very ...