Disk brake testing device and system employing the same

F - Mech Eng,Light,Heat,Weapons – 16 – D

Patent

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F16D 66/00 (2006.01) G01B 21/08 (2006.01)

Patent

CA 2348902

A brake testing device (100) evaluates the condition of a disk (102) having a disk axis (106) and first and second disk surfaces (108, 110). The device (100) has two gauges (112, 124), each having a sensing element (114, 126) for measuring the position of one of the disk surfaces (108, 110) along a line parallel to the disk axis (106). The gauges (112, 124) generate signals corresponding to the measured positions of the disk surfaces (108, 110). The gauges (112, 124) are secured with respect to each other so as to measure along parallel lines, and are positioned by the device (100) to measure the disk surfaces (108, 110) at points equidistant from the disk axis (106). Gauges (218, 230) can be employed which allow testing a disk (202) surrounded by a wheel (208) and a dust shield (206). The device (100) may be part of a system (750) which processes the signals to determine the thickness and the lateral run-out of the disk (102), and which may also compare these values to manufacturer-specified standards.

Un dispositif d'essai de freins à disque (100) évalue l'état d'un disque (102) possédant un axe (106) et des première et deuxième surfaces (108, 110). Ledit dispositif (100) comporte deux sondes (112, 124) dotées chacune d'un élément de détection (114, 126) qui mesure la position d'une des surfaces (108, 110) du disque, le long d'une ligne parallèle à l'axe (106) de ce dernier. Les sondes (112, 124) génèrent des signaux correspondant aux positions mesurées des surfaces (108, 110) du disque. Les sondes (112, 124) sont fixées l'une par rapport à l'autre de sorte qu'elles assurent les mesures le long de lignes parallèles, et sont positionnées par le dispositif (100) pour mesurer les surfaces (108, 110) en des points équidistants par rapport à l'axe du disque (106). Il est possible d'utiliser des sondes (218, 230) permettant l'essai d'un disque (202) entouré par une roue (208) et un pare-poussière (206). Le dispositif (100) peut faire partie d'un système (750) qui traite les signaux pour déterminer l'épaisseur et le voile latéral du disque (102), et qui peut également comparer ces valeurs aux normes du fabricant.

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