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    • 1. 发明申请
    • System and method for evaluating a machined surface of a cast metal component
    • 用于评估铸造金属部件的加工表面的系统和方法
    • US20070052795A1
    • 2007-03-08
    • US11219043
    • 2005-09-02
    • Michael SwangerJohn AgapiouRobert Hogarth
    • Michael SwangerJohn AgapiouRobert Hogarth
    • H04N7/18H04N9/47
    • G06T7/0006G01N15/088G01N2015/0846G06T7/155G06T2207/30136G06T2207/30164
    • A method and system are provided for non-contact evaluation of a machined surface of a cast-metal part, including a vision-based porosity inspection station. A digital image of the machined surface is acquired, oriented and scaled to an XY coordinate system, filtered, and inverted. A second image is generated with known design surface features eliminated. Each pixel of the inverted digital image is XOR-compared with a corresponding pixel of the second image. Identified common surface features common to both images is analyzed statistically for conformance to a threshold. A defect is identified as any identified surface feature common to both images which exceeds the threshold. The system moves the part for further processing if a statistical analysis of defects indicates an acceptable component, and alternatively, removes the part from further processing if the analysis indicates a flawed component.
    • 提供了一种方法和系统,用于对铸造金属部件的加工表面进行非接触评估,包括基于视觉的孔隙率检查台。 获取加工表面的数字图像,定向并缩放到XY坐标系,进行滤波和反转。 生成具有消除的已知设计表面特征的第二图像。 反相数字图像的每个像素与第二图像的相应像素进行XOR比较。 统计分析两个图像共同的常见表面特征,以符合阈值。 缺陷被识别为超过阈值的两个图像共同的任何识别的表面特征。 如果缺陷的统计分析指示可接受的部件,则系统移动部件进行进一步处理,或者如果分析指示有缺陷的部件,则可以将部件从进一步处理中移除。
    • 2. 发明申请
    • Part measurement prioritization system and method
    • 零件测量优先系统和方法
    • US20060047457A1
    • 2006-03-02
    • US11203819
    • 2005-08-15
    • John AgapiouRobert AasPulak Bandyopadhyay
    • John AgapiouRobert AasPulak Bandyopadhyay
    • G06F19/00
    • G01B21/04
    • A system, method, and apparatus are provided for prioritizing the measurements made on manufactured parts while maintaining specified part quality standards. According to the method, system and apparatus, the process used by the CMM is modified so that the number of measurements made is reduced in accordance with the results of the analysis provided herein. A CMM apparatus is modified in accordance with the analysis results. A method for part measurement prioritization in a measuring system and method includes describing a set of features to be measured on a plurality of substantially identical parts, separating the set of features into sensitive features and non-sensitive features, dividing the non-sensitive features into a plurality of groups, and prioritizing the part measurements to measure the sensitive features and provide alternating measurements of the non-sensitive features.
    • 提供了一种系统,方法和装置,用于在保持指定的部件质量标准的同时对制造的部件进行的测量进行优先级排序。 根据该方法,系统和装置,修改由CMM使用的过程,以便根据本文提供的分析结果减少所测量的数量。 根据分析结果修改CMM装置。 在测量系统和方法中的部分测量优先级的方法包括描述在多个基本相同的部分上要测量的一组特征,将特征集合分离成敏感特征和非敏感特征,将非敏感特征分成 多个组,并且优先考虑部分测量以测量敏感特征并提供非敏感特征的交替测量。