Testing device for ultrasonic inspection of barstock

Details Testing device for ultrasonic inspection of barstock Testing device for ultrasonic inspection of barstock

G - Physics

01

N

G01N 29/28 (2006.01)

Patent

CA 2444070

The invention relates to a testing device for ultrasonic bar (30) testing, comprising a container (20) a) with a chamber disposed therein where the ultrasonic testing is carried out, which b) is provided with at least one through-passage (28) for bars which are to be tested and which c) has at least one inlet and at least one outlet for a coupling fluid (52), especially water, whereby the inlet and outlet are arranged in such a way the coupling fluid (52) is circulated around the bar (30) in a cross-wise direction in relation to the longitudinal direction thereof (32), in addition to comprising at least one ultrasonic test head (46) which is directed at the bars (30). The chamber has a non-circular cross-section perpendicular to the longitudinal direction (32) of the bars (30) and the cross-section of the chamber is adapted to the profile of the bars (30) in such a way that the width of a gap (42) running between the bars (30) and the wall (40) of the chamber is substantially maintained .

L'invention se rapporte à un dispositif de contrôle conçu pour le contrôle par ultrasons de barres (30). Ledit dispositif comporte un contenant (20), a) qui comprend une chambre dans laquelle se déroule le contrôle par ultrasons, b) qui comporte au moins un passage (28) conçu pour les barres (30) à contrôler et c) qui présente au moins une partie amenée et au moins une partie sortie conçues pour un liquide de couplage (52), et en particulier de l'eau, la partie amenée et la partie sortie étant disposées de manière à ce que, lorsqu'il circule, le liquide de couplage (52) contourne la barre (30) transversalement au sens de sa longueur (32). Ledit dispositif comporte également au moins un palpeur à ultrasons (46) orienté vers les barres (30). La chambre présente une coupe transversale ovale, perpendiculaire au sens de la longueur (32) des barres, et adaptée à la coupe transversale des barres (30) de sorte que la largeur de l'espace (42) séparant la barre (30) et la paroi (40) de la chambre reste sensiblement inchangée.

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