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    • 7. 发明授权
    • Contoured surface eddy current inspection system
    • 轮廓曲面涡流检测系统
    • US06545467B1
    • 2003-04-08
    • US09697256
    • 2000-10-27
    • Thomas James BatzingerJames Paul FultonCurtis Wayne RoseLee Cranford Perocchi
    • Thomas James BatzingerJames Paul FultonCurtis Wayne RoseLee Cranford Perocchi
    • G01N2782
    • G01N27/9013G01N27/9033
    • Eddy current inspection of a contoured surface of a workpiece is performed by forming a backing piece of flexible, resiliently yieldable material with a contoured exterior surface conforming in shape to the workpiece contoured surface. The backing piece is preferably cast in place so as to conform to the workpiece contoured surface. A flexible eddy current array probe is attached to the contoured exterior surface of the backing piece such that the probe faces the contoured surface of the workpiece to be inspected when the backing piece is disposed adjacent to the workpiece. The backing piece is then expanded volumetrically by inserting at least one shim into a slot in the backing piece to provide sufficient contact pressure between the probe and the workpiece contoured surface to enable the inspection of the workpiece contoured surface to be performed.
    • 对工件的轮廓表面进行涡流检查是通过形成具有与工件轮廓表面相符的轮廓外表面的柔性弹性屈服材料的背衬件来执行的。 衬垫优选地被铸造就位以便与工件轮廓表面一致。 柔性涡流阵列探针连接到背衬件的轮廓外表面上,使得当背衬件邻近工件设置时,探针面向待检查的工件的轮廓表面。 然后通过将至少一个垫片插入到背衬件中的槽中,使支承件体积膨胀,以在探头和工件轮廓表面之间提供足够的接触压力,以便能够检查待执行的工件轮廓表面。