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    System and method for contactlessly gauging the thickness of a contoured object, such as a vehicle wheel
    21.
    发明授权
    System and method for contactlessly gauging the thickness of a contoured object, such as a vehicle wheel 失效
    用于非接触地测量轮廓物体（例如车轮）的厚度的系统和方法

    公开(公告)号：US5619587A

    公开(公告)日：1997-04-08

    申请号：US166891

    申请日：1993-12-15

    申请人： Louis G. Willoughby, Jr. ,  Donald G. Jordan ,  Paul R. Adomaitis ,  Avraham C. Goldman ,  Anthony J. Tomasello ,  Steve Montellese ,  Edward W. Weed ,  Abraham Shtrahman

    发明人： Louis G. Willoughby, Jr. ,  Donald G. Jordan ,  Paul R. Adomaitis ,  Avraham C. Goldman ,  Anthony J. Tomasello ,  Steve Montellese ,  Edward W. Weed ,  Abraham Shtrahman

    IPC分类号： B21C51/00 ,  G01B11/245 ,  G06K9/00

    CPC分类号： B21C51/00 ,  G01B11/245

    摘要： There is disclosed a system for visually measuring the cross-sectional thickness of a light-reflective object, such as a vehicle wheel, said object having a plurality of curved surfaces. The system includes: means for transmitting a line of light onto each curved surface of the object at substantially the same cross-sectional area through the object; means for sensing the lines of light reflected from each curved surface and producing a plurality of signals thereby, said signals representing a linear profile of each curved surface at the same cross-sectional area; and means for comparing the profile signals from each curved surface for calculating a cross-sectional thickness of the object at one or more points along the same cross-sectional area. On a more preferred basis, this system further includes means for supporting the object, and means for rotating the object about at least one axis of support to measure a plurality of cross-sectional thicknesses thereof. Most preferably, the light transmittal means of this system include a plurality of light sources for transmitting collimated laser lines across the object's inner curved surfaces from opposite sides of the object substantially simultaneously. A method for inspecting a vehicle wheel to determine whether it is within dimensional specification is also disclosed. This method employs a system substantially as set forth above.

    摘要翻译： 公开了一种视觉测量诸如车轮的光反射物体的横截面厚度的系统，所述物体具有多个曲面。 该系统包括：用于通过物体以基本相同的横截面面积将光线传输到物体的每个弯曲表面上的装置; 用于感测从每个弯曲表面反射的光线并由此产生多个信号的装置，所述信号表示在相同横截面积处的每个弯曲表面的线性轮廓; 以及用于比较来自每个弯曲表面的轮廓信号的装置，用于在沿相同横截面积的一个或多个点处计算物体的横截面厚度。 在更优选的基础上，该系统还包括用于支撑物体的装置，以及用于围绕至少一个支撑轴旋转物体以测量其多个横截面厚度的装置。 最优选地，该系统的光传输装置包括多个光源，用于基本上同时从对象的相对侧将物镜的内弯曲表面传送准直激光线。 还公开了一种用于检查车轮以确定其是否在尺寸规格内的方法。 该方法采用基本上如上所述的系统。