Thickness measuring method by use of ultrasonic waves
    32.
    发明专利
    Thickness measuring method by use of ultrasonic waves 有权
    超声波采用厚度测量方法

    公开(公告)号:JP2009271007A

    公开(公告)日:2009-11-19

    申请号:JP2008123695

    申请日:2008-05-09

    Inventor: NISHIMURA YUJI

    Abstract: PROBLEM TO BE SOLVED: To provide a thickness measuring method by use of ultrasonic waves for extracting only reflection echoes based on thickness of an object automatically and measuring thickness of the object with high precision. SOLUTION: This thickness measuring method includes: a measuring process for detecting waveforms of reflection echoes by generating ultrasonics from an ultrasonic probe at each measuring position of the object; a peak detection process for setting a scope of detection in the direction of thickness Z of the object and detecting a peak from each detected waveform; a peak apportioning process for preparing a three-dimensional virtual space having a shape obtained from the object, dividing the space in the direction of length X, the direction of width Y, and the direction of thickness Z of the object to form many zones, apportioning the peak positions to each of these zones, and calculating the number of peak positions in each zone; a grouping process for forming a plurality of groups by connecting the continuous zones where the number of peaks is calculated; and a thickness computing process for separating a zone constituting the group being non-continuous from the zones constituting the groups being continuous in the direction of length X, the direction of width Y, and the direction of thickness Z of the object and computing thickness of the object. COPYRIGHT: (C)2010,JPO&INPIT

    Abstract translation: 要解决的问题:提供一种使用超声波的厚度测量方法,用于基于物体的厚度自动提取反射回波并以高精度测量物体的厚度。 该厚度测量方法包括:通过在物体的每个测量位置处从超声波探头产生超声波来检测反射回波的波形的测量过程; 峰值检测处理,用于设定被检体的厚度方向的检测范围,并从各检测波形检测出峰值; 用于制备具有从物体获得的形状的三维虚拟空间的峰值分配过程,将长度X的方向,宽度Y的方向和物体的厚度方向Z分隔开以形成许多区域, 将峰值位置分配给每个区域,并计算每个区域中的峰值位置数; 通过连接计算峰值数目的连续区域来形成多个组的分组过程; 以及厚度计算处理,用于从构成组的区域构成非连续组的区域在长度X,宽度Y的方向和对象的厚度方向Z上是连续的,并且计算厚度 物体。 版权所有(C)2010,JPO&INPIT

    Flaw detection method and flaw detector used therein
    37.
    发明专利
    Flaw detection method and flaw detector used therein 审中-公开
    FLAW检测方法和FLAW检测器

    公开(公告)号:JP2008164397A

    公开(公告)日:2008-07-17

    申请号:JP2006353408

    申请日:2006-12-27

    Abstract: PROBLEM TO BE SOLVED: To provide a flaw detection method capable of simply detecting the flaw produced in an inspection target part difficult to inspect, such as, a welded part at a high speed in a non-contact state, regardless of the thickness and the material of an inspection target, the shape of the welded part, or the like, and to provide a flaw detector used therein.
    SOLUTION: Ultrasonic waves are transmitted to the inspection target from a probe, while the ultrasonic waves that propagate through the inspection target are received, to detect the flaw of the inspection target part by the receiving signal. The probe is scanned along the inspection target part in a non-contact state, and the respective receiving signals of a plurality of kinds of the ultrasonic waves propagated through the inspection target are displayed as the image of at least either of a B-scope or a C-scope. The flaw is detected on the basis of the existence of the change part R2 in the image.
    COPYRIGHT: (C)2008,JPO&INPIT

    Abstract translation: 要解决的问题:提供一种能够简单地检测难以检查的检查对象部件中产生的缺陷的缺陷检测方法,例如非接触状态下的高速焊接部,而不管 厚度和检查对象的材料,焊接部件的形状等,并提供其中使用的缺陷检测器。 解决方案:超声波从探头传输到检查对象,同时接收通过检查目标传播的超声波,以通过接收信号检测检查对象部分的缺陷。 以非接触状态沿检查对象部分扫描探针,并且通过检查对象传播的多种超声波的各个接收信号被显示为B范围或 一个C范围。 基于图像中的变化部分R2的存在来检测缺陷。 版权所有(C)2008,JPO&INPIT

    Flaw detection method and flaw detector used therefor
    38.
    发明专利
    Flaw detection method and flaw detector used therefor 审中-公开
    FLAW检测方法及其使用的FLAW检测器

    公开(公告)号:JP2008164396A

    公开(公告)日:2008-07-17

    申请号:JP2006353406

    申请日:2006-12-27

    Abstract: PROBLEM TO BE SOLVED: To provide a flaw detection method capable of simply and quickly detecting the flaws produced in an inspection target part that is difficult to inspect a welded part, or the like, irrespective of the thickness and kind of inspection target, the shape of the welded part, and so on, and to provide a flaw detector used for the method.
    SOLUTION: An ultrasonic wave is transmitted to the inspection target from a probe while the ultrasonic wave propagated through the inspection target is received to detect the flaw of the inspection target part by the receiving signal. The probe is scanned along the inspection target part and the respective receiving signals of a plurality of kinds of the ultrasonic waves that propagate through the inspection target are displayed as a B scope image, having the scanning direction of the probe and the thickness direction of the inspection target as axes. The flaw is detected on the basis of the existence of a change part R2 in the B scope image.
    COPYRIGHT: (C)2008,JPO&INPIT

    Abstract translation: 要解决的问题:提供一种能够简单且快速地检测在难以检查焊接部等的检查对象部中产生的缺陷的缺陷检测方法,而与检查对象的厚度和种类无关 ,焊接部件的形状等,并提供用于该方法的探伤仪。 解决方案:接收超声波通过检测对象传播的超声波从探头发送到检查对象,以通过接收信号检测检查对象部位的缺陷。 沿着检查对象部分扫描探针,并且将通过检查对象传播的多种超声波的各自的接收信号显示为具有探针的扫描方向和探针的厚度方向的B范围图像 检查目标为轴。 基于B范围图像中的变化部分R2的存在来检测缺陷。 版权所有(C)2008,JPO&INPIT

    Flaw evaluation method of two-layered bellows and eddy current flaw detector used therein
    40.
    发明专利
    Flaw evaluation method of two-layered bellows and eddy current flaw detector used therein 审中-公开
    双层贝氏体和EDDY电流检测器的FLAW评估方法

    公开(公告)号:JP2008151588A

    公开(公告)日:2008-07-03

    申请号:JP2006338636

    申请日:2006-12-15

    Abstract: PROBLEM TO BE SOLVED: To provide a flaw evaluation method of bellows capable of rapidly and simply evaluating the flaw such as corrosion or damage of the bellows even in the bellows having a two layered structure, and an eddy current flaw detector used therein.
    SOLUTION: The flaw of the two-layered bellows 100 obtained by molding two metal thin plates is evaluated. A sensor 20 is scanned along the protruded surface 104a on the first layer side being the outside of the thin plate to perform eddy current flaw detection while a transmission and reception element is scanned along the protruded surface 104a on the side of the first layer to perform ultrasonic flaw detection. The flaw is evaluated on the basis of the receiving signals of eddy current flaw detection and ultrasonic flaw detection.
    COPYRIGHT: (C)2008,JPO&INPIT

    Abstract translation: 要解决的问题:为了提供一种波纹管的缺陷评估方法,即使在具有两层结构的波纹管中也能够快速简单地评估诸如腐蚀或腐蚀损坏的缺陷,以及其中使用的涡流探伤仪 。 解决方案:评估通过模制两个金属薄板获得的双层波纹管100的缺陷。 沿着薄板外侧的第一层侧的突出面104a扫描传感器20,以沿着第一层侧的突出面104a扫描发送接收元件,进行涡流探伤,进行 超声波探伤。 基于涡流探伤和超声波探伤的接收信号来评估缺陷。 版权所有(C)2008,JPO&INPIT

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