Non-destructive ultrasound testing head - comprises cylinder whose outlet tube has inner projecting end onto the centre line and has pressurised water jet directed on centre line

摘要

Ultrasound head for non-destructive tests has at least one head with a nozzle which produces a jet of liquid to ultrasonically couple the head with the workpiece; the head has also an outlet to direct the jet on the Workpiece, and a cylindrical chamber of greater dia. located between the head and outlet; the chamber has the inlet for pressurised liquid directed on to the centre line of the chamber; the outlet has an inner end which projects into the chamber. The nozzle is pref. made of transparent acrylic material. ADVANTAGE - The prod. has a simole construction, is reliable and provides a very useful uniform ultrasound coupling.