| 摘要 |
<p>Device comprising an ultrasonic oscillation transducer (1), an acoustic transmitter (2) made from a titanium alloy, disposed in space in a given manner and connected to the transducer (1) by means of a contact surface (3), a work chamber (4) and a reflector (5). The device further comprises a mechanism (6) for displacing the emitter (2) in three dimensions perpendicular to one another. The transducer (1) consists of piezoceramic disks, the transmitter (2) consists of components forged in titanium with high temperature annealing and stabilizers, the transmitter (2) being coupled to the transducer (1) by means of a contact surface (3) of at least 85 % of the global contact surface. The work chamber (4) is in the form of a hollow tube reproducing, by its perimeter, the shape of the operative end of the transmitter (2) with walls formed by spring-mounted rods which, during the displacement of the transmitter (2) with the work chamber (4), reproduce the contour of the surface to be hardened.</p> |
