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1. 发明专利

JP2007256274A Method and device for detecting small surface irregularity defect 有权
标题翻译：用于检测小表面不正常缺陷的方法和装置
公开(公告)号：JP2007256274A
公开(公告)日：2007-10-04
申请号：JP2007043078
申请日：2007-02-23
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： KOSHIHARA TAKAHIRO , KATO HIROHARU , NAGAMUNE AKIO
IPC分类号： G01B7/34
摘要： PROBLEM TO BE SOLVED: To provide a practical method and device for detecting a small surface irregularity defect, capable of detecting surely a small concave and convex defect having a contour of the irregularity of several micrometers which is difficult to an automatic detection like the detection by a grinding stone, in an object to be inspected with a coarse surface roughness and a visual inspection which is usually difficult.
SOLUTION: In the small surface irregularity defect detection method detecting the small surface irregularity defect of a magnetic metal object to be inspected, physical quantity resulting from a distortion of the defect part in the object to be inspected is measured, then using the measured value, the surface defect is detected.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供用于检测小的表面不规则缺陷的实用方法和装置，能够可靠地检测到具有难以自动检测的几微米不规则轮廓的小凹凸缺陷，例如通过磨石的检测，在粗糙表面粗糙度检查的对象物和通常难以进行的视觉检查。解决方案：在检测被检查的磁性金属物体的小表面不规则缺陷的小表面不规则缺陷检测方法中，测量由被检查物体中的缺陷部分的变形引起的物理量，然后使用测量值，检测到表面缺陷。版权所有（C）2008，JPO＆INPIT

2. 发明专利

JP2006220527A Manufacturing method of metal strip, and the metal strip with marking 有权
标题翻译：金属条的制造方法和标记金属条
公开(公告)号：JP2006220527A
公开(公告)日：2006-08-24
申请号：JP2005033989
申请日：2005-02-10
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： KATO HIROHARU , KOSHIHARA TAKAHIRO , NAGAMUNE AKIO , OSHIGE TAKAHIKO
IPC分类号： G01N21/892 , B21C51/00 , G01N27/83
摘要： PROBLEM TO BE SOLVED: To provide a manufacturing method of a metal strip, capable of enhancing surface flaw quality using an inspection method for inspecting the surface flaws on the metal strip with high accuracy, and to provide the metal strip with marking having flaw data. SOLUTION: Since the inspection method for surface flaws on the metal strip is constituted so that not only the properties of the surface of the metal strip, but also the properties of the surface layer part of the metal strip are measured in a process prior to a process of performing the inspection of the surface flaw to estimate whether the abnormal part detected by this measurement is exposed as the surface flaw in the inspection stage of the surface flaw, a surface flaw meter indicating part is compared with a flaw exposure estimating part due to the property measurement of the surface part to recognize whether the cause of the surface flow has occurred prior to or after the property measurement of the surface part during the metal strip manufacturing method even if the abnormal part is not exposed as the surface flaw in the inspection stage of the surface flaw and the occurrence cause of the surface flaw is specified easily. As a result, manufacturing process can be improved rapidly. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了提供一种金属带的制造方法，其能够使用用于高精度地检查金属带上的表面缺陷的检查方法来提高表面缺陷质量，并且为金属带提供具有标记的标记，缺陷数据。解决方案：由于金属带上的表面缺陷的检查方法被构造成使得不仅金属带的表面的性质，而且金属带的表面层部分的性质也被测量在执行表面缺陷检查的过程之前，通过该测量检测到的异常部分是否暴露在表面缺陷的检查阶段中的表面缺陷，将表面缺陷计指示部分与缺陷暴露估计部分由于表面部分的性质测量，以识别在金属带制造方法期间，即使异常部分不暴露为表面缺陷，在金属带制造方法中在表面部件的性能测量之前或之后是否发生了表面流动的原因在表面缺陷的检查阶段和表面缺陷的发生原因易于指定。结果，制造工艺可以快速提高。版权所有（C）2006，JPO＆NCIPI

3. 发明专利

JP2006218504A Method of manufacturing metallic strip 有权
标题翻译：制造金属条的方法
公开(公告)号：JP2006218504A
公开(公告)日：2006-08-24
申请号：JP2005033987
申请日：2005-02-10
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： KATO HIROHARU , KOSHIHARA TAKAHIRO , NAGAMUNE AKIO , MURACHI TOSHIHIKO , IKEUCHI NAOKI
IPC分类号： B21B1/22 , B21C51/00 , C23C2/00 , G01R33/02
摘要： PROBLEM TO BE SOLVED: To provide a method of manufacturing a metallic strip by which, when a metallic strip is diverted to other uses than the intended use by degradation because it is insufficient in quality though it is intended to be manufactured for a specific use, diversion is actualized by making the diversion destination more general by increasing the degree of freedom for taking action by which the diversion is facilitated. SOLUTION: The quality of a steel strip is evaluated in a pickling line before manufacturing a cold-rolled steel sheet. On the basis of the result of the quality evaluation, it is predicted whether quality defects occur or not, for instance, whether surface defects occur or not when the cold rolling is performed as it is from the actual results of the past (correlation data between measured results with sensors and parameters of actual manufacture and the quality measured by other means). After predicting the quality, when the prediction result indicates that the steel strip for the specific use which is the original manufacture schedule is manufacturable, the strip is cold-rolled as it is under the manufacturing condition as the original schedule. Otherwise, when insufficient quality is predicted if manufacturing as it is, the manufacture is performed by changing the parameters (thickness) of the cold rolling to the standard use which is sold generally and in large quantities. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种金属带的制造方法，其中当金属带被转向除了预期用途以外的其他用途时，由于质量不足，因为其旨在为具体使用，通过增加引导转移的行动的自由度，使转移目的地更为普遍，实现转移。
解决方案：在制造冷轧钢板之前，在酸洗线中评估钢带的质量。在质量评价结果的基础上，预测是否出现质量缺陷，例如当根据过去的实际结果进行冷轧时，是否发生表面缺陷（相关数据测量结果与实际制造的传感器和参数以及通过其他方式测量的质量）。在预测质量之后，当预测结果表明作为原始制造进度的特定用途的钢带可制造时，钢带按照原始进度在制造条件下冷轧。否则，如果制造质量不足，则通过将冷轧的参数（厚度）变更为通常大量出售的标准用途进行制造。版权所有（C）2006，JPO＆NCIPI

4. 发明专利

JP2004279245A Leakage flux flaw detection device 审中-公开
公开(公告)号：JP2004279245A
公开(公告)日：2004-10-07
申请号：JP2003071865
申请日：2003-03-17
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： KOSHIHARA TAKAHIRO , YOTSUTSUJI JUNICHI , KATO HIROHARU , NAGAMUNE AKIO
IPC分类号： G01N27/83
摘要： PROBLEM TO BE SOLVED: To provide a leakage flux flaw detection device capable of realizing stable and highly-efficient magnetization of a ferromagnetic metal specimen, and realizing leakage flux flaw detection wherein the influence of vibration of the ferromagnetic metal specimen is suppressed.
SOLUTION: When an exciting current is supplied to a magnetizing coil 4, a closed magnetic circuit is formed between yokes 3a, 3b and the ferromagnetic metal specimen 1 through a magnetizing core 3. When an inclusion exists inside the ferromagnetic metal specimen, a leakage flux is generated on the surface. The leakage flux is detected by a magnetic sensor 5. In this case, though the ferromagnetic metal specimen 1 is running at high speed, the specimen 1 is supported by support rolls 2a, 2b embedded in the magnetizing core to thereby suppress the vibration generated by running, and the distance between the ferromagnetic metal specimen 1 and the magnetic sensor 5 and the distance between the ferromagnetic metal specimen 1 and the yokes 3a, 3b can be kept constant. Thus, flaw detection at high S/N with a reduced noise is enabled.
COPYRIGHT: (C)2005,JPO&NCIPI

5. 发明专利

JP2004279045A Magnetic particle inspection device of magnetic pipe and manufacturing method of magnetic pipe 审中-公开
公开(公告)号：JP2004279045A
公开(公告)日：2004-10-07
申请号：JP2003066803
申请日：2003-03-12
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： KOSHIHARA TAKAHIRO , IIZUKA YUKIMICHI , KATO HIROHARU , NAGAMUNE AKIO , IIDA TOSHIHIKO
IPC分类号： G01N21/91 , G01N27/84
摘要： PROBLEM TO BE SOLVED: To provide a magnetic particle inspection device of a magnetic pipe capable of performing accurately magnetic particle inspection of the pipe inner surface, even to a magnetic pipe having a small pipe diameter (especially, a magnetic pipe having the pipe diameter below 500 mm).
SOLUTION: A magnetizer 4 loaded on a truck 1 for running inside the pipe, for magnetizing an inspection part on the pipe inner surface is equipped with a yoke 6 having a pair of yoke arm parts 6b, 6b having the tip bent downward. A CCD camera 9 for photographing magnetic particles scattered on the inspection part is arranged between the pair of yoke arm parts 6b, 6b.
COPYRIGHT: (C)2005,JPO&NCIPI

6. 发明专利

JP2004037217A Leakage flux flaw detecting device 审中-公开
标题翻译：泄漏流量检测装置
公开(公告)号：JP2004037217A
公开(公告)日：2004-02-05
申请号：JP2002194098
申请日：2002-07-03
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： KOSHIHARA TAKAHIRO , KATO HIROHARU , NAGAMUNE AKIO
IPC分类号： G01N27/83
摘要： PROBLEM TO BE SOLVED: To provide a leakage flux flaw detecting device for performing defect detection with a satisfactory signal-to-noise ratio even when a ferromagnetic metal body to be inspected is traveling.
SOLUTION: A magnetic sensor 6a is provided in the vicinity of the location of the center of a magnetizer 5, capable of moving over a rail 10 for sensor movement according to the moving speed V of a steel plate, and detects leakage flux under an intensively magnetizing condition at an appropriate location. A magnetic sensor 6b is provided at a location separated and upstream from the location of the center of the magnetizer 5 and detects leakage flux under a weakly magnetizing condition. By computing two signals of them, it is possible to cancel a noise component commonly contained in them and perform defect detection with a satisfactory signal-to-noise ratio.
COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：即使当要检查的铁磁性金属体行进时，提供一种用于执行具有令人满意的信噪比的缺陷检测的漏磁通探伤装置。解决方案：磁传感器6a设置在磁化器5的中心位置附近，能够根据钢板的移动速度V在导轨10上移动以传感器移动，并且检测泄漏通量在适当位置的强磁化条件下。磁传感器6b设置在与磁化器5的中心位置分离和上游的位置处，并且在弱磁化条件下检测漏磁通。通过计算它们的两个信号，可以消除其中通常包含的噪声分量，并以令人满意的信噪比执行缺陷检测。版权所有（C）2004，JPO

7. 发明专利

JP2009052903A Method and detector for detecting micro surface roughness and defect 有权
标题翻译：用于检测微观表面粗糙度和缺陷的方法和检测器
公开(公告)号：JP2009052903A
公开(公告)日：2009-03-12
申请号：JP2007217180
申请日：2007-08-23
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： KOSHIHARA TAKAHIRO , KATO HIROHARU , NAGAMUNE AKIO
IPC分类号： G01N27/83 , G01B7/34
CPC分类号： G01B7/34 , G01N27/83
摘要： PROBLEM TO BE SOLVED: To provide a practical method and detector for detecting a micro surface roughness and defect, capable of detecting surely such the micro surface roughness and defect having about several μm of roughness difficult generally to be visually confirmed, and difficult to be automatically detected, as detected by grinding using a grinding stone, in an objective specimen with a coarse surface roughness. SOLUTION: This method of detecting the micro surface roughness and defect detects the micro surface roughness and defect having 0.5-6 μm of roughness in the magnetic metal specimen, and detects the surface defect by detecting a signal caused by a strain in a defective part of the specimen. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供用于检测微观表面粗糙度和缺陷的实用方法和检测器，能够可靠地检测到这样的微观表面粗糙度和大约几μm的粗糙度的缺陷通常被目视确认，并且难以通过使用研磨石的研磨来检测，可以自动检测到具有粗糙表面粗糙度的物镜。解决方案：这种检测微观表面粗糙度和缺陷的方法检测磁性金属试样中的微观表面粗糙度和缺陷，具有0.5-6μm的粗糙度，并通过检测由于金属样品中的应变引起的信号来检测表面缺陷样品有缺陷的部分。版权所有（C）2009，JPO＆INPIT

8. 发明专利

JP2008216103A Detection signal processing method for periodic defect, and device therefor 审中-公开
标题翻译：用于定期缺陷的检测信号处理方法及其设备
公开(公告)号：JP2008216103A
公开(公告)日：2008-09-18
申请号：JP2007055308
申请日：2007-03-06
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： KOSHIHARA TAKAHIRO , KATO HIROHARU , NAGAMUNE AKIO
IPC分类号： G01N27/83
摘要： PROBLEM TO BE SOLVED: To provide a detection signal processing method for periodic defects, capable of detecting surely micro irregular flaws having several μm of unevenness difficult to be visually confirmed in an object of coarse surface roughness to be inspected, and difficult to be automatically detected as detected by grinding inspection with a grindstone, and a device therefor.
SOLUTION: This signal processing method for detecting the periodic defects existing in a specimen partitions measured signals including the periodic defects with a plurality of periods, at a fixed interval, arrays the partitioned measured signals along a direction orthogonal to a data sequential direction of the measured signals to prepare a two-dimensional data sequence, and pattern-processes the two-dimensional data sequence to recognize the defects.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供用于周期性缺陷的检测信号处理方法，能够检测在要检查的粗糙表面粗糙度的对象中难以在目视上确认具有几μm不均匀性的可靠的微不规则缺陷，并且难以通过用磨石的研磨检查检测到的自动检测装置及其装置。解决方案：用于检测存在于样本中的周期性缺陷的信号处理方法将包括具有多个周期的周期性缺陷的测量信号以固定的间隔分隔，沿着与数据顺序方向正交的方向排列分割的测量信号的测量信号以准备二维数据序列，并对二维数据序列进行模式处理以识别缺陷。版权所有（C）2008，JPO＆INPIT

9. 发明专利

JP2006010440A Magnetic sensor 有权
标题翻译：磁传感器
公开(公告)号：JP2006010440A
公开(公告)日：2006-01-12
申请号：JP2004186325
申请日：2004-06-24
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： KOSHIHARA TAKAHIRO , KATO HIROHARU , NAGAMUNE AKIO
IPC分类号： G01R33/02 , G01B7/06 , G01B7/34 , G01D5/245 , G01N27/83
摘要： PROBLEM TO BE SOLVED: To provide a magnetic sensor capable of easily changing an arranging space for coils used in measurement while securing measuring precision, in the magnetic sensor having the plurality of coils.
SOLUTION: This magnetic sensor is provided with a magnetic detecting part 1, and an excitation electric power source 2, a selection circuit 3, a differential amplifier 4 and the like. The magnetic detecting part 1 is provided with an excitation coil 11d, and detecting coils 11a, 11b, 11c, 11e, 11f, 11g. The selection circuit 3 is provided with switches 31a-31g for grounding selectively one-sides of the coils 11a-11g when detecting a defect. The selection circuit 3 is provided also with switching switches 32a-32f for selecting the prescribed two coils out of the detecting coils, when detecting the defect, for guiding detection signals of the selected two coils to an input side of the differential amplifier 4, and for short-circuiting both ends of the respective coils under a floating condition, as to the residual coils not selected therein.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种磁传感器，其能够在具有多个线圈的磁传感器中，在确保测量精度的同时，容易地改变用于测量的线圈的布置空间。解决方案：该磁传感器设置有磁检测部分1和激励电源2，选择电路3，差分放大器4等。磁检测部1设置有励磁线圈11d，检测线圈11a，11b，11c，11e，11f，11g。选择电路3设置有开关31a-31g，用于在检测到缺陷时选择性地接地线圈11a-11g的一侧。选择电路3还设置有用于在检测到缺陷时选择检测线圈中的规定的两个线圈的开关开关32a-32f，用于将所选择的两个线圈的检测信号引导到差分放大器4的输入侧，以及为了在浮动状态下短路各线圈的两端，关于其中未选择的剩余线圈。版权所有（C）2006，JPO＆NCIPI

10. 发明专利

JP2005315734A Method and instrument for measuring displacement of ferromagnetic body 审中-公开
标题翻译：用于测量假体的位移的方法和仪器
公开(公告)号：JP2005315734A
公开(公告)日：2005-11-10
申请号：JP2004134060
申请日：2004-04-28
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： KATO HIROHARU , KOSHIHARA TAKAHIRO , NAGAMUNE AKIO
IPC分类号： G01B7/00
摘要： PROBLEM TO BE SOLVED: To provide a method and instrument for measuring displacement of a ferromagnetic body less susceptible to irregularity of differential permeability (owing to magnetization level difference, etc.) as to a measurement location among irregularities in "properties of a measuring object surface layer part of a ferromagnetic body".
SOLUTION: The ferromagnetic body (a displacement measuring object) 1, an excitation coil 2, a magnetic flux detection sensor 3, a ferromagnetic core 4, a power supply 5 for the excitation coil, an amplifier/signal processing circuit 6, magnetic flux 9A passing through the U-shaped ferromagnetic core, magnetic flux 9B passing through a gap, magnetic flux 9C passing through the measuring object ferromagnetic body, and a magnetizing coil 11, are severally expressed in the figure. The magnetizing coil 11 is used to demagnetize the ferromagnetic body (the displacement measuring object) 1, to bring it to a magnetized state to a saturation level, to magnetize it once to a saturation level, and then to bring an external magnetic field to a level close to zero.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种用于测量铁磁体的位移的方法和仪器，其不利于差分磁导率的不规则性（由于磁化水平差异等），关于“特性的不规则性”中的测量位置测量铁磁体的物体表面层“。解决方案：铁磁体（位移测量对象）1，励磁线圈2，磁通检测传感器3，铁磁芯4，用于励磁线圈的电源5，放大器/信号处理电路6，通过U形铁磁芯的磁通量9A，通过间隙的磁通量9B，穿过测量对象铁磁体的磁通9C和磁化线圈11在图中分别表示。磁化线圈11用于使铁磁体（位移测量对象）1退磁，使其处于饱和状态的磁化状态，将其磁化一次达到饱和水平，然后使外部磁场向水平接近零。版权所有（C）2006，JPO＆NCIPI

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